DESC:FORM 2
THE PATENTS ACT 1970
(39 of 1970)
&
The Patents Rules, 2003
COMPLETE SPECIFICATION
(See section 10 and rule 13)

1. TITLE OF THE INVENTION: “Homogeneous Aluminium Body of Car Door Mechanism and Landing Door Mechanism for Elevator Automatic Doors”
2. APPLICANTS:

(a) Name : Philbrick Technologies India Pvt. Ltd.
(b) Nationality : India
(c) Address : Plot No.: 69,
Road No.: 6, Kathwada G.I.D.C,
Kathwada,
Ahmedabad – 382430,
Gujarat, India



PROVISIONAL

The following specification describes the invention. þ COMPLETE

The following specification particularly describes the invention and the manner in which it is to be performed.

FIELD OF THE INVENTION

The present invention relates to an elevator or lift and more particularly it relates to the elevator with homogenous aluminium body of car door mechanism assembly and landing door mechanism assembly.

BACKGROUND OF THE INVENTION

In today’s world the current global population is around 7.6 billion, and experts expect it to grow to 9.8 billion in 2050 and 11.2 billion in 2100. This rapidly expanding population is stressing the earth's natural resources and changing its climate.

Furthermore, in the populated countries such as china and India, as the population increasing, the density of the population becomes increase in the particular city. As increasing the density of population, the cost of the land in the city is increasing. It becomes difficult to the acquiring the land for food production, recreation or natural resources Therefore, it is become difficult to horizontal infrastructure in the city as the more population in less area of the land. It is necessary to goes to the vertical infrastructure. As to implementation of the vertical infrastructures like high-stories building enables to host vast amounts of people in a small footprint, while conserving land and natural resources and it is possible to the use the land for food production, recreation or natural resources, or leave it as a natural area. For the better transportation in the floor of the vertical infrastructure, the elevators or lift is necessary in every such high stories building.

An elevator or lift is a type of vertical transportation machine that moves people or freight between floors, levels, or decks of a building, vessel, or other structure. The elevators are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a cylindrical piston like a jack.

Generally, Elevators are equipped with car door mechanism mounted on the elevator and landing door mechanism mounted on the floor of the elevator. Said mechanisms are operated for opening and closing the doors of elevator.

Two types of elevator entrance assemblies that are commonly used to provide access to elevators are swing entrance assemblies and sliding entrance assemblies. Swing entrance doors open by pivoting about a hinge when the door handle is pulled. Sliding entrance doors open by traveling along a linear track in tandem with an elevator car door.

An elevator door entrance assembly refers to the frame and sliding door which separates a hallway (corridor) from the elevator shaft (hoist way or shaftway). As the door on the elevator cab opens, or closes, it drives the entrance door open or closed. Conventionally, the construction of a sliding door for elevators has been relatively labor intensive, time-consuming, expensive and has presented significant safety hazards.

Further, conventionally, the frame (Body) of car door operating mechanism and landing door operating mechanism are made of MS material. Hence, due to utilization of MS material, problems like higher weight of elevator and rusting are prevailed.

In light of the above drawbacks with conventional elevator, it is apparent that there is a need for an elevator with a simplified design and installation procedure.

OBJECT OF THE INVENTION

The main object of the present invention is to provide an elevator with homogenous aluminium body of car door mechanism assembly and landing door mechanism assembly.

Another object of elevator with homogeneous aluminium body of car door mechanism assembly and landing door mechanism assembly is to provide a light weight car door mechanism assembly and landing door mechanism assembly.

Another object of elevator with homogeneous aluminium body of car door mechanism assembly and landing door mechanism assembly is to provide highly efficient elevators.

Yet another object of elevator with homogeneous aluminium body of car door mechanism assembly and landing door mechanism assembly is to provide easy to maintenance due to rust free characteristic of aluminium.

Yet another object of elevator with homogeneous aluminium body of car door mechanism assembly and landing door mechanism assembly is save the energy by using the light weight door.

Further object of the present invention is to provide a rust free, silent and smooth operation due to frictionless movement of the car door mechanism assembly and landing door mechanism assembly.

SUMMARY OF THE INVENTION:

The present invention relates to an elevator with homogenous aluminium body of car door mechanism assembly and landing door mechanism assembly. According to present invention, the car door mechanism assembly and the landing door mechanism assembly are made of homogenous aluminum body to attain the light weight elevator body. Further, this design leads to smooth, silent and rust free operation of the car door mechanism assembly and the landing door mechanism assembly. Further, the car door mechanism assembly and the landing door mechanism assembly are configured with the groove less sill to avoid the dirt entry and the door sticking problems.

BRIEF DESCRIPTION OF THE DRAWING

Objects and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying figures of the drawing wherein:

Fig. 1 depicts the schematic view of the car door mechanism assembly according to present invention.

Fig. 2 depicts the schematic view of the landing door mechanism assembly according to present invention.

BRIEF DESCRIPTION OF THE INVENTION

Before explaining the present invention in detail, it is to be understood that the invention is not limited in its application to the details of the construction and arrangement of parts illustrated in the accompany drawings. The invention is capable of other embodiment, as depicted in different figures as described above and of being practiced or carried out in a variety of ways. It is to be understood that the phraseology and terminology employed herein is for the purpose of description and not of limitation.
The present invention discloses car door assembly and landing door assembly for an elevator.

The present invention discloses an elevator that comprises a car door mechanism assembly being mounted onto the car of the elevator and a landing door mechanism assembly being mounted onto the each floor of the elevator. Now, as shown in Fig. 1, the car door mechanism assembly comprises a header (1), first plate (2), second plate (3), a rope pin spring (4), a rope (5), a rope pin-I (6), a rope pin-II (7), an external tooth lock washer (8), a groove less sill (10), a prevailing torque hex flange nut (11), a first door (12), a second door (13) and a bolt (14).sill

With reference to Fig. 1, an elevator door assembly embodying the present invention is generally designated such that the weight of the assembly is less compare to conventional door assembly of the car door (16) and landing door mechanism assembly (17) of the elevator. The present invention includes an elevator car (not shown) having a front portion including a front face defining a door opening having a car door (16). The car door assembly (16) of the elevator car includes a header (1) which is assembled on upwardly from a body of the doors for mounting the mechanism of the car door (16) of the elevator car. The header (1) having the groove type structure in which the door mechanism assembly can be assembled. The car door assembly of the elevator further includes first door (12) and second door (13) which respectively includes first plate (2) and second plate (3) projecting upwardly from a body of the doors for mounting the doors to the elevator car over the door opening. The first plate (2) and second plate (3) of the door when mounted on the elevator car are spaced frontwardly of the front face.

The header (1) is mounted on the front face of the elevator car below an upper edge or ceiling of the car and above the car door. The header (1) preferably extends generally from a first side to a second side of the elevator car. The rope pin I (6) and rope pin II (7) is assembled at the header (1) of the car door assembly and coupled with the motor. The rope (5) is assembled on the rope pin I (6) and rope pin II (7) and rotates the rope (5) according to action of the motor of the car door assembly (16). The said rope (5) is a toothed or flat type rope.

The car door assembly includes attaching means for attaching the first door (12) and second door (13) to the rope (5) through the first plate (2) and second plate (3). For example, the attaching means fixedly coupled the first plate (2) to the upper portion of the closed-loop formed by the rope (5), and attaching means fixedly coupled the second plate (3) to the lower portion of the closed-loop formed by the rope (5). The drive motor is used to rotate the close loop rope (5) for the car door of the elevator.

As the operation of the motor is activates the elevator mechanism opens the first door (12) and second door (13) by the way of the rope (5) as rope (5) also moves transverse direction in opposite side. Due to that the first door (12) and second door (13) of car door of the elevators becomes separates from each others and opens the door. By reversing the rotation of the motor, the rope (5) also rotates in opposite direction of the said direction and due to that the first door (12) and second door (13) of car door of the elevators becomes moves towards each others and the door of the elevator becomes close.

Further, at the lower parts of the car door groove less sill (10) is provided and above the groove less seal (10) the doors are situated. The groove less sill overcomes the dirt entry and the door sticking problems in the car door assembly while operating.

According to the other embodiment of the present invention, the car door mechanism (16) assembly is composed of homogenous aluminium body that provides smooth, rust free and silent operation compared to conventional elevator door mechanism.

Referring to Fig. 2 in combination with Fig. 1, the landing door mechanism assembly comprises a header (1A), a first plate (2A), a second plate (3A), a rope pin spring (4A), a rope (5A), a rope pin-I (6A), a rope pin-II (7A), a door header spring (9), a groove less sill (10), a door panel assembly (15), a first door (12A), a second door (13A) and a bolt (14A).

Similarly, referring the fig. 2, the present invention includes a landing door which is situated at every floor of the high rise building. The landing door assembly (17) of the floor includes a header (1A) which is assembled on upwardly from a body of the doors for mounting the mechanism of the elevator landing door. The header (1A) having the groove type structure in which the door assembly can be assembled. The landing door assembly (17) of the elevator further includes first door (12A) and second door (13A) which respectively includes first plate (2A) and second plate (3A) projecting upwardly from a body of the doors for mounting the doors to the elevator landing over the door opening. The first plate (2A) and second plate (3A) of the door when mounted on the elevator landing are spaced frontwardly of the front face. On the bottom of the door, the groove less sill (10) is provided which carry the landing door assembly (17) of the system.

As the elevator reach at the landing door of the floor, the landing doors plate is engaged with the car door assembly (16) and it is opens the door by the rope (5, 5A) as rope (5, 5A) moves transverse direction in opposite side due to the motor of the car door. The first door (12) and second door (13) of car door are synchronize with first door (12A) and second door (13A) of landing door of the elevators, the first door (12, 12A) and second door (13, 13A) becomes separates from each others and opens the door. By reversing the rotation of the motor the first door (12, 12A) and second door (13, 13A) of the car door and landing door becomes close.

Further, at the lower parts of the landing door groove less sill (10) is provided and above the groove less sill (10) the first doors (12. 12A) and second doors (13, 13A) are situated. The groove less sill (10) overcomes the dirt entry and the door sticking problems in the landing door assembly while operating.

According to the other embodiment of the present invention, the landing door mechanism assembly (17) is composed of homogenous aluminium body that provides smooth, rust free and silent operation compared to conventional elevator door mechanism.

The invention has been explained in relation to specific embodiment. It is inferred that the foregoing description is only illustrative of the present invention and it is not intended that the invention be limited or restrictive thereto. Many other specific embodiments of the present invention will be apparent to one skilled in the art from the foregoing disclosure. The scope of the invention should therefore be determined not with reference to the above description but should be determined with reference to claims along with full scope of equivalents to which such claims are entitled.

REFERENCE NUMERALS

Header (1, 1A)
First plate (2, 2A)
Second plate (3, 3A)
Rope pin spring (4, 4A)
Rope (5, 5A)
Rope pin-I (6, 6A)
Rope pin-II (7, 7A)
External tooth lock washer (8)
Door header Spring (9)
Groove less sill (10)
Prevailing torque hex flange nut (11)
First door (12)
Second door (13)
Bolt (14, 14A)
Door panel assembly (15)
Car door assembly (16)
Landing door mechanism assembly (17)
,CLAIMS:We Claim:

1. A homogeneous aluminium body of car door mechanism and landing door mechanism for an elevator mainly comprises car door mechanism assembly (16) and landing door mechanism assembly (17)
wherein car door assembly consist,
a header (1) which is assembled on upwardly from a body of the doors for mounting the mechanism of the elevator car door of the elevator;
a first door (12) and second door (13) respectively includes first plate (2) and second plate (3) projecting upwardly from a body of the doors for mounting the doors to the elevator over the door opening;
a rope pin I (6) and a rope pin II (7) is assembled at the header (1) of the car door assembly (16) and coupled with the motor;
a rope (5) is assembled on the rope pin I (6) and rope pin II (7) and rotates the rope (5) according to action of the motor of the car door assembly (16);

wherein landing door assembly consist,
a header (1A) which is assembled on upwardly from a body of the doors for mounting the mechanism of the elevator landing door of the elevator;
a first door (12A) and second door (13A) respectively includes first plate (2A) and second plate (3A) projecting upwardly from a body of the doors for mounting the landing doors to the floor over the door opening;
a rope pin I (6A) and a rope pin II (7A) is assembled at the header (1A) of the landing door assembly (17);
a rope (5A) is assembled on the rope pin I (6A) and rope pin II (7A) and rotates the rope (5A) according to action of the motor;
characterized in that
the car door mechanism assembly (16) and landing door mechanism assembly (17) is composed of homogenous aluminium body;
a groove less sill (10) is situated at the bottom of the car door mechanism assembly (16) and landing door mechanism assembly (17).

2. The homogeneous aluminium body of car door mechanism and landing door mechanism for an elevator as claimed in claim 1, the rope (5, 5A) is tooth type or flat type structure.
3. The homogeneous aluminium body of car door mechanism and landing door mechanism for an elevator as claimed in claim 1, wherein header (1, 1A) having groove type structure which consist door mechanism.
Dated this on August 23, 2021.