FIELD OF DISCLOSURE
The present disclosure relates to a cable actuating lock for two wheeler motor vehicles
with improved operability. More specifically, the said disclosure relates to an ignition
lock having double cable actuating mechanism for unlocking the fuel tank cap lock
and seat lock.
BACKGROUND OF THE DISCLOSURE
Generally, the existing ignition switches are used solely for enabling engine start up in
vehicles, such as two wheelers. Most of the two wheelers have a separate key hole to
unlock various locking latches, for example: a steering lock, a helmet lock, a seat
lock, a fuel tank cap lock etc.
To overcome the shortcomings of the existing ignition switch, a solution has been
provided such as, to provide multiple cables in the ignition lock connected to locking
latches that can be operate by using ignition lock to unlock various locking latches,
for example; a steering lock, a helmet lock, a seat lock, a fuel tank lock etc.
In other words, the researchers are constantly working to develop a user friendly and
technical advance cable actuating lock in vehicles. More specifically, ignition locks,
whereby the cables are provided which are capable of actuating locking latches such
as fuel tank cap lock or seat lock of vehicle.
Therefore, the main object of the present disclosure is to provide an ignition lock for
two wheeler motor vehicles with improved operability which also permits the user to
unlock the fuel tank cap and seat lock from the ignition lock with an ignition key. The
present disclosure relates to an ignition lock wherein at least one cable is operated
through the ignition lock to unlock the fuel tank cap lock and seat lock.
BRIEF DESCRIPTION OF FIGURES
Further aspects and advantages of the present disclosure will be readily understood
from the following detailed description with reference to the accompanying
figures. The figures together with a detailed description below, are incorporated in
3
and form part of the specification, and serve to further illustrate the embodiments
and explain various principles and advantages, in accordance with the present
disclosure wherein:
Figure 1 shows a multi-function ignition lock for vehicles according to the present
disclosure.
Figure 2 illustrates exploded view of the multi-function ignition lock for vehicles
according to the present disclosure.
Figure 3 shows top view of the multi-function ignition lock for vehicles according to
the present disclosure.
Figure 4 illustrates sectional view of the multi-function ignition lock for vehicle,
taken along plane X-X of figure 3 according to the present disclosure.
Figure 5 shows internal components of the multi-function ignition lock for vehicles
according to the present disclosure.
Figure 6 illustrates sectional view of the multi-function ignition lock for vehicle,
taken along plane Y-Y of figure 4 according to the present disclosure.
Figure 7a-7c shows different position of the multi-function ignition lock for vehicle,
according to the present disclosure.
Figure 8a-8b illustrates the actuation of a cable of an actuator to unlock the locking
latch of the seat lock, according to the present disclosure.
Figure 9a-9b shows different positions of the multi-function ignition lock for vehicle,
according to the present disclosure.
Figure 10a-11b illustrates the movement of the cam for actuation of a cable with an
actuator to unlock the locking latch of the fuel tank lock, according to the present
disclosure.
Figure 12a-12b illustrates the movement of the cam with push for disengagement with
the electrical switch, according to the present disclosure.
4
Skilled artisans will appreciate that elements in the drawings are illustrated for
simplicity and have not necessarily been drawn to scale. For example, the
dimensions of some of the elements in the drawings may be exaggerated relative to
other elements to help to improve understanding of embodiments of the present
disclosure.
SUMMARY
Accordingly, the present disclosure relates to a multi-function ignition lock
comprising a casing and a housing adapted to form an encapsulation for
accommodating a rotor mounted rotatably in the casing. The said rotor is resiliently
movable in axial direction by a key. A cam is coupled to the rotor wherein the cam is
operationally engageable with a first actuator to energize a first resilient means
adapted to unlock the first enclosure e.g. seat lock mechanism during rotation of the
rotor in counter clockwise direction. A lever linkage is operationally engageable with
the cam. The said lever linkage is connected to a second actuator, such that rotation of
lever linkage provides linear movement of second actuator to energize a second
resilient means. An electrical switch is configured to disengage when the key is in
pushed condition. The second resilient means is adapted to unlock the second
enclosure e.g. fuel tank cap lock mechanism. The second actuator is operationally
engageable with the lever linkage, during rotation of rotor in clockwise direction with
push. There are at least two actuating cables being connected to the first actuator and
second actuator.
In an embodiment of the present disclosure, the lever linkage has a proximal end and
a distal end.
In an embodiment of the present disclosure, the proximal end comprises of a first stud
extending longitudinally towards the cam.
In an embodiment of the present disclosure, the distal end comprises of a second stud
extending longitudinally away from the cam.
5
In an embodiment of the present disclosure, the second stud of the lever linkage is
accommodated in the slot of the second actuator.
In an embodiment of the present disclosure, the lever linkage has a rotational
movement about a pivot.
In an embodiment of the present disclosure, the first actuator has a face engageable
with the cam through a cam arm.
In an embodiment of the present disclosure, the second actuator is provided with a
slot on its surface.
In an embodiment of the present disclosure, the cam arm has a lobe which pushes the
face of the first actuator.
In an embodiment of the present disclosure, the cam arm is operationally engaged
with a second stud through a cam face.
In an embodiment of the present disclosure, the cam arm is allowed to engage with
the lever linkage in the pushed condition of key.
In an embodiment of the present disclosure, a lock bar is operationally engaged with
the cam.
In an embodiment of the present disclosure, the electrical switch gets disengaged
when the rotor is in pushed condition.
DETAILED DESCRIPTION OF DISCLOSURE
While the disclosure is susceptible to various modifications and alternative forms,
specific embodiment thereof has been shown by way of example in the figures
and will be described in detail below. It should be understood, however that it is not
intended to limit the disclosure to the particular forms disclosed, but on the contrary,
the disclosure is to cover all modifications, equivalents, and alternative falling within
the spirit and the scope of the disclosure as defined by the appended claims.
Before describing in detail embodiments it may be observed that the novelty
and inventive step that are in accordance with the present disclosure resides multi6
function ignition lock for two wheelers motor vehicles. It is to be noted that a person
skilled in the art can be motivated from the present disclosure and modify the
various constructions of assembly, which are varying from vehicle to vehicle.
However, such modification should be construed within the scope and spirit of the
disclosure. Accordingly, the drawings are showing only those specific details that
are pertinent to understanding the embodiments of the present disclosure so as not
to obscure the disclosure with details that will be readily apparent to those of
ordinary skill in the art having benefit of the description herein.
The terms “comprises”, “comprising”, or any other variations thereof, are intended
to cover a non-exclusive inclusion, such that a setup, device that comprises a
list of components does not include only those components but may include other
components not expressly listed or inherent to such setup or device. In other
words, one or more elements in a system or apparatus proceeded by “comprises… a”
does not, without more constraints, preclude the existence of other elements or
additional elements in the system or apparatus.
Accordingly the present disclosure relates to a multi-function ignition lock being
used in vehicles. Reference will now be made to the exemplary embodiments of the
disclosure, as illustrated in the accompanying drawings. Where ever possible same
numerals will be used to refer to the same or like parts.
Figure 1 and 2 illustrates a multi-function ignition lock according to the present
disclosure. Referring to figures 1 and 2, the multi-function ignition lock (L) for a
vehicle comprises a casing (3) and a housing (11) forming an encapsulation for
accommodating various components such as an ignition key (1), a rotor (2), a slide
plate (4), a cam (5), a lock bar (6), a first actuator (7), lever linkage (8), a second
actuator (9), actuator brackets (10), a carrier (12) and a base assembly (13).
As shown in Figures 2-4, the rotor (2) is rotatably mounted in the casing (3) of the
ignition lock. The rotor (2) comprises of a first end (2a) and a second end (2b). The
first end (2a) of the rotor (2) comprises of a cavity which receives the ignition key (1).
The rotor (2) is resiliently movable in axial direction by the ignition key (1). The
second end (2b) of the rotor (2) is coupled to the cam (5). The cam (5) is operationally
engaged with the first actuator (7) and the lever linkage (8) through a cam arm (5c).
7
Referring to Figure 5, the first actuator (7) and second actuator (9) is provided with an
actuating cable to actuate the locking latches of the fuel tank lock and seat lock. The
first actuator (7) is provided with a resilient mean (14), for linear resilient movement
of the first actuator (7). The first actuator (7) has an actuator face (7a) (as shown in
figure-6) engageable with cam (5). The second actuator (9) is provided with an
actuator slot (9a), formed on the top surface of the second actuator (9). The second
actuator (9) is provided with a second resilient means (15) for linear resilient
movement of the second actuator (9).
As shown in Figure 5 Detail A, the lever linkage (8) is pivoted in the multi-function
ignition lock. The lever linkage has a proximal end (8c) and a distal end (8d). The
lever linkage comprises of a first stud (8a) and a second stud (8b) formed on the
proximal end (8c) and the distal end (8d) lever linkage respectively The lever linkage
(8) has a rotational movement about its pivot (11a) in the housing (11) (as shown in
figure 6) and a linear movement in vertical direction. The vertical movement of the
lever linkage (8) is restricted by a screw (16). The term ‘vertical direction’ herein
defines as a direction parallel to the axis of rotation of the rotor. The first stud (8a) is
provided on the proximal end (8c) of the lever linkage (8) which protrudes in
perpendicular direction towards the cam (5). The second stud (8b) is provided on the
distal end (8d) of the lever linkage (8) and protrudes in perpendicular direction away
from the cam (5). The second stud (8b) is accommodated in the slot (9a) of the second
actuator (9).
As shown in Figures 6 and 8, the first actuator has a face (7a). The actuator face (7a)
is engageable with the cam arm (5c). The cam arm (5c) has a lobe (5a) which pushes
the actuator face (7a) during operation. The cam arm (5c) is operationally engaged
with the second stud (8b) of the lever linkage through a cam face (5b) when the rotor
(2) is in pushed condition.
Figures 7a-7c illustrates different positions/modes of the multi-function ignition lock
(L). As shown in figure 7a, the multi-function ignition lock (L) is at STEERING
LOCK position. The ignition key (1), upon pushing/without pushing and rotating
simultaneously in clockwise direction rotates the rotor from STEERING LOCK
8
portion to OFF position, thereby unlocking the steering lock. As shown in figures 7a
and 7b, at OFF position the steering lock is in disengaged condition, due to the linear
movement of the lock bar (6) inwardly towards the cam (5), when ignition key (1) is
rotated form STEERING LOCK to OFF position. As shown in figure 7c, the ignition
key (1), upon rotating without pushing in counter-clockwise direction, rotates the
rotor (2) from OFF position to SEAT LOCK position, thereby pulling the latch
connected with seat lock and unlocking the seat lock of the vehicle. The ignition key
can be rotated with push in counter clockwise direction from OFF position to steering
lock position and without pushing in clockwise direction from OFF position to ON
position.
Figure 8a and 8b illustrates the unlocking of the seat lock of the vehicle by rotating
the ignition key from OFF position to SEAT LOCK position which results in the
movement of the first actuator (7) to energize the first resilient mean (14). A cable is
connected with the first actuator (7) which gets pulled with the movement of the first
actuator (7) and unlocks the seat lock latch.
As shown in Figure 8a, the multi-function ignition lock is at OFF position. At OFF
position the cam lobe (5a) is in contact with the actuator face (7a) of the first actuator
(7). The first resilient mean (14) of the first actuator (7) provides linear resilient
movement of the first actuator (7). The first resilient mean (14) is in de-energized
condition at OFF position of the multi-function ignition lock.
As shown in Figure 8b, the dual cable actuation lock is at SEAT LOCK position. The
ignition key (not shown in figure-8b), upon rotating without pushing in counterclockwise
direction, rotates the rotor which further rotate the cam (5) in counter
clockwise direction. The cam lobe (5a) pushes the face (7a) of the actuator (7) to
energize the first resilient mean (14). The linear movement of the first actuator (7) due
to force applied by the cam lever, pulls the cable connected to the actuator (7). The
actuation of the cable due to the linear movement of the first actuator (7) unlocks the
locking latch of the seat lock. The first resilient mean (14) of the actuator (7) returns
to de-energize condition, when the force applied to rotate the ignition key is released.
9
Figure 9a-9b illustrates different positions of the multi-function ignition lock for
vehicle. As shown in figure-9a the multi-function ignition lock is at OFF position.
The ignition key, upon pushing and rotating simultaneously in clockwise direction,
rotates the rotor from OFF position to FUEL TANK LOCK position, thereby
unlocking the fuel tank lock of the vehicle. Two latches are connected separately for
fuel tank cap lock and seat lock with the first actuator (7) and second actuator (9)
through the cables.
Figure 10a-11b illustrates the movement of the actuator (9) to unlocking the fuel tank
cap lock of the vehicle by rotating the ignition key from OFF position to FUEL
TANK LOCK position with push. At ignition OFF position, the cables are actuated to
unlock the peripheral lock (i.e. fuel tank cap lock or the seat lock). As the ignition key
is rotated without push towards steering lock position the actuator (7) moves linearly
due to cam action at cam lobe (5a) and actuator face (7a), as a result of which the
cable connected with the actuator (7) unlocks the locking latch at seat lock. As the
ignition key is rotated towards ignition ON position with push, the second actuator (9)
moves linearly due to cam action at locking lever lobe (8b) and actuator slot (9a), as a
result of which the cable connected with the actuator (9) unlocks the locking latch at
fuel tank cap. With the rotation of the cam towards ignition ON position with push, it
rotates the lever (8) with respect to the pivot (11a), hence the locking lever (8) moves
the actuator (9) linearly.
Figures 12a-12b shows the movement of the cam (5) with push for disengagement
with the electrical switch. The cam comprises of a leg (5d) which disengages with the
electrical switch during unlocking of fuel tank cap lock.
The operation of the combined lock mechanism is also summarized as below:
LOCK POSITION OFF POSITION ON POSITION
ON POSITION OFF POSITON LOCK POSITION
For opening fuel tank: OFF POSTION FUEL TANK LOCK (clockwise
rotation with push)
For opening seat lock: OFF POSITION SEAT LOCK (counter-clockwise
rotation without push)
PUSH OR W/O PUSH W/O PUSH
W/O PUSH
W/O PUSH
PUSH
PUSH
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WORKING – SEAT LOCK OPERATION
To unlock the seat lock, the user can rotate the ignition key towards LOCK position
from OFF position without push. As the key is rotated, the cam arm (5c) along with
the cam lobe (5a) pushes the first actuator (7) through the actuator face (7a) to
energize the first resilient mean (14). Hence the first actuator (7) moves inwardly to
pull the cable along with the actuator (7). The first actuator (7) moves back to the
original position to de-energize the first resilient means (14) upon the withdrawal of
the operating force.
WORKING – FUEL TANK OPERATION
To unlock the fuel tank cap lock, the user can rotate the key towards ON position
from OFF position with push. As the key is pushed, the cam arm (5c) is allowed to
engage with the lever linkage (8) and the cam leg (5d) disengages with the electrical
switch (shown in figure 11 &12). With push rotation, the cam face (5b) pushes the
first stud (8a) to rotate the lever linkage (8) with respect to the pivot at (11a). With the
rotation of lever linkage (8) the actuator (9) moves linearly to energize the resilient
mean (15) with the cam action by the second stud (8b) of the lever linkage (8) and
actuator slot (9a). Hence, the second actuator (9) moves inward to pull the cable along
with the actuator. The second actuator (9) moves back to the origin position to deenergize
the resilient mean (15), with the withdrawal of the operating force.
SOME OF THE ADVANTAGES OF THE PRESENT DISCLOSURE:
 The primary advantage of the present multi-function ignition lock is to provide
an ignition lock for two wheeler motor vehicles with improved operability.
 Another advantage of the present multi-function ignition lock is that it permits
the user to unlock the fuel tank cap and seat lock from the ignition lock with
ignition key in the ignition lock.
.
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EQUIVALENTS:
The embodiments herein and the various features and advantageous details thereof are
explained with reference to the non-limiting embodiments in the description.
Descriptions of well-known components and processing techniques are omitted so as
to not unnecessarily obscure the embodiments herein. The examples used herein are
intended merely to facilitate an understanding of ways in which the embodiments
herein may be practiced and to further enable those of skill in the art to practice the
embodiments herein. Accordingly, the examples should not be construed as limiting
the scope of the embodiments herein.
The foregoing description of the specific embodiments will so fully reveal the general
nature of the embodiments herein that others can, by applying current knowledge,
readily modify and/or adapt for various applications such specific embodiments
without departing from the generic concept, and, therefore, such adaptations and
modifications should and are intended to be comprehended within the meaning and
range of equivalents of the disclosed embodiments. It is to be understood that the
phraseology or terminology employed herein is for the purpose of description and not
of limitation. Therefore, while the embodiments herein have been described in terms
of preferred embodiments, those skilled in the art will recognize that the embodiments
herein can be practiced with modification within the spirit and scope of the
embodiments as described herein.
Throughout this specification the word “comprise”, or variations such as “comprises”
or “comprising”, will be understood to imply the inclusion of a stated element, integer
or step, or group of elements, integers or steps, but not the exclusion of any other
element, integer or step, or group of elements, integers or steps.
The use of the expression “at least” or “at least one” suggests the use of one or more
elements or ingredients or quantities, as the use may be in the embodiment of the
disclosure to achieve one or more of the desired objects or results.
Any discussion of documents, acts, materials, devices, articles and the like that has
been included in this specification is solely for the purpose of providing a context for
the disclosure. It is not to be taken as an admission that any or all of these matters
form a part of the prior art base or were common general knowledge in the field
12
relevant to the disclosure as it existed anywhere before the priority date of this
application.
The numerical values mentioned for the various physical parameters, dimensions or
quantities are only approximations and it is envisaged that the values higher/lower
than the numerical values assigned to the parameters, dimensions or quantities fall
within the scope of the disclosure, unless there is a statement in the specification
specific to the contrary.
While considerable emphasis has been placed herein on the particular features of this
disclosure, it will be appreciated that various modifications can be made, and that
many changes can be made in the preferred embodiments without departing from the
principles of the disclosure. These and other modifications in the nature of the
disclosure or the preferred embodiments will be apparent to those skilled in the art
from the disclosure herein, whereby it is to be distinctly understood that the foregoing
descriptive matter is to be interpreted merely as illustrative of the disclosure and not
as a limitation.
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LIST OF REFERNCE NUMERALS
Description Reference Number
Multi-Function Ignition Lock (L)
Key (1)
Rotor (2)
First end of rotor (2a)
Second end of rotor (2b)
Casing (3)
Follower bracket (4)
Cam (5)
Cam lobe (5a)
Cam face (5b)
Cam arm (5c)
Cam leg (5d)
Lock bar (6)
First actuator (7)
First actuator face (7a)
Lever linkage (8)
First stud of lever linkage (8a)
Second stud of lever linkage (8b)
Proximal end of lever linkage (8c)
Distal end of lever linkage (8d)
Second actuator (9)
Slot in second actuator (9a)
14
Actuator bracket (10)
Housing (11)
Pivot (11a)
Carrier (12)
Base assembly (13)
First resilient means (14)
Second resilient means (15)
Screw (16)

We Claim:
1. A multi-function ignition lock (L) comprising;
a casing (3) and a housing (11) adapted to form an encapsulation for
accommodating;
a rotor (2) mounted rotatably in the casing (3); the said rotor (2)
being resiliently movable in axial direction by a key (1);
a cam (5) coupled to the rotor (2); wherein the cam is
operationally engageable with a first actuator (7) to energize a
first resilient means (14) adapted to unlock the first enclosure
e.g. seat lock mechanism, during rotation of the rotor (2) in
counter-clockwise direction;
a lever linkage (8) operationally engageable with the cam (5);
the said lever linkage (8) being connected to a second actuator
(9), such that rotation of lever linkage (8) provides linear
movement of second actuator (9) to energize a second resilient
means (15); an electrical switch configured to disengage when
the second actuator is operated; and the second actuator (9)
adapted to unlock the second enclosure e.g. fuel tank cap lock
mechanism; the said second actuator (9) operationally
engageable with the lever linkage (8), during rotation of rotor
(2) in clockwise direction;
at least two actuating cables being connected to the first actuator (7)
and second actuator (9).
2. The multi-function ignition lock (L) as claimed in claim 1, wherein the lever
linkage (8) has a proximal end and a distal end.
3. The multi-function ignition lock (L) as claimed in claim 2, wherein the
proximal end comprises of a first stud (8a) extending longitudinally towards
the cam (5).
16
4. The multi-function ignition lock (L) as claimed in claim 2, wherein the distal
end comprises of a second stud (8b) extending longitudinally away from the
cam (5).
5. The multi-function ignition lock (L) as claimed in claim 1, wherein the second
stud (8b) of the lever linkage (8) is accommodated in the slot (9a) of the
second actuator (9).
6. The multi-function ignition lock (L) as claimed in claim 1, wherein the lever
linkage (8) has a rotational movement about a pivot (11a).
7. The multi-function ignition lock (L) as claimed in claim 1, wherein the first
actuator (7) has a face (7a) engageable with the cam (5) through a cam arm
(5c).
8. The multi-function ignition lock (L) as claimed in claim 1, wherein the second
actuator (9) is provided with a slot (9a) on its surface.
9. The multi-function ignition lock (L) as claimed in claim 1, wherein the cam
arm (5c) has a lobe (5a) which pushes the face (7a) of the first actuator (7).
10. The multi-function ignition lock (L) as claimed in claims 4 and 9, wherein the
cam arm (5c) is operationally engaged with a second stud (8b) through a cam
face (5b).
11. The multi-function ignition lock (L) as claimed in claim 10, wherein the cam
arm (5c) is allowed to engage with the lever linkage (8c) in the pushed
condition of key.
12. The multi-function ignition lock (L) as claimed in claim 1, wherein a lock bar
(6) is operationally engaged with the cam (5).
13. The multi-function ignition lock (L) as claimed in claim 1, wherein the
electrical switch gets disengaged when the rotor is in pushed condition.