COMPLETE AFTER PROVISIONAL LEFT ON 5/4/06

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:
"Calendar Hanging Device"
2. APPLICANT (S)
(a) NAME: Jak Printers Pvt. Ltd.
(b) NATIONALITY: Indian Company incorporated under the Indian
Companies ACT, 1956
(c) ADDRESS: Jak Compound, Dadoji Konddeo Cross Lane, Off Dr. Babasaheb
Ambedkar Marg, Byculla (East), Mumbai - 400 027,
Maharashtra, India.
3. PREAMBLE TO THE DESCRIPTION
The following specification particularly describes the invention and the manner in
which it is to be performed.


TECHNICAL FIELD OF INVENTION:
This invention relates to a device for holding and displaying laminar sheet(s).
More particularly this invention relates to a device for holding, hanging and displaying one or more laminar sheet(s) such as Calendars, Maps, Posters, Wallpapers, Sceneries, Photos, Pictures, Drawings, Paintings, Charts, X-ray sheets and the like, which while holding the laminar sheet(s) of variable sizes firmly, along its edge without any bulge, bend or distortion, also permits very easy removal or change over of such sheet(s). At the same time the device is very easy to handle giving a decorative and aesthetic look at a very nominal cost.
BACKGROUND OF INVENTION AND PRIOR ART:
Various types of calendars and calendar holders are well known in the art. Yearly, monthly and weekly planners and calendars are widely available in varying formats for use on desks, walls, refrigerators and other venues for tracking dates and day-today activities. Conventionally, on walls calendars are generally hung on a suitable projection such as a nail, a screw or other similar projection, however, such a supporting projection is neither decorative nor secure. Traditionally calendars are hung with the help of a metallic hanging/ handling strip usually made up of painted tin which is threaded centrally. The thread permits hanging of the calendar on a suitable hanging projection, such as a nail or other similar projection.
The existing calendars having a number of laminar sheets displaying various months of the year, necessitates change of laminar sheet every months which is time consuming and quite cumbersome. It requires removal of the calendar from the nail or screw, placed at a height on the walls and then turning over of the sheets in the back side after crossing over the hanging cord and again hanging the calendar on the nail or the screw placed at a height on the wall. During change over of the laminar sheets and/ or with passage if time the metallic strip being thin, bends at weaker points, thereby distorting the calendar which besides giving an odd look affects its proper display as well as durability. At times the central thread slips out of the strip due to gravity resulting in fall of calendar rendering the subsequent hanging of the calendar impossible.
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A picture hanging slide ruler with an adjustable insert and a bubble level indicator device is described in US Patent Application No. 20020078583. However, the device is complex in design and is not economically commercial sable in view of the inserting portion receiving increasing resistance and potential damage over a period of time and use.
OBJECTS OF THE INVENTION:
The main object of this invention is to obviate the drawbacks, short comings or limitations of the existing calendars and to provide a device for holding, hanging and displaying the laminar sheet(s) such as paper calendar which is easy to handle and which firmly holds the sheet(s) and which permits the change over of the sheet without removing the device from the wall.
Another object of this invention is to provide an easy to handle device for holding, hanging and displaying the laminar sheet(s) which is able to hold, hang, and display laminar sheet(s) of variable sizes, particularly without any limitation of the size and number of the sheet(s) and without any bulge, bend or distortion.
A further object of this invention is to provide an easy to handle device for holding, hanging and displaying the laminar sheet(s) which is quite easy to manufacture particularly for mass manufacturing.
A further object of this invention is to provide an easy to handle device for holding, hanging and displaying the laminar sheet(s) which gives a decorative aesthetic look, at a nominal cost.
SUMMARY OF THE INVENTION:
A novel device for holding and displaying the laminar sheets, as in FIG. 1 to 6 are described in this invention and is detailed hereinafter.
The present invention relates to a device for holding and hanging laminar sheet like objects such as wallpapers, calendars, charts, posters, decorative items or such like. The subject device consists of a moulded plastic strip constructed in a manner to give
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rise to convex front face and rear face with a spine or collar in between the two faces along with the anterior edge and a close approximation along the lower edges of both faces.
The rear face of the strip is grooved along the anterior edge which is further coupled with at least one detachable clip or hook in a manner to allow a smooth sliding of the clips or hooks along the grooved guide way.
The clips or hooks having a hole in the centre for hanging the calendar on a suitable hanging and supporting projection, such as a nail, a screw or other suitable hanging projection.
The above mentioned device is novel and cost effective to perform. The device is adjustable for difficult width of the hanging objects and has convenience of use, flexibility and adaptability.
DETAILED DESCRIPTION:
Disclosed herein is a device for holding and displaying laminar sheet/s such as paper calendar, comprising of a longitudinal clip body and one or more sliding hanger/s engaged with the said clip body, the said clip body consists of a pair of jaws, a front jaw and a rear jaw, connected with each other at top end and meshing at each other at the bottom end, a channel shape cross section/ groove provided near the top end of the rear jaw, running across the length of the clip body, the said sliding hanger/s consists of a plate having a cut allowing flexibility and folding, a plurality of angular projections, alternatively bent in opposite directions provided on one side, towards the bottom end of the said plate, the angular projections having bent in the opposite direction slidably engaged with the flanges of the channel shaped groove in the rear jaw of the said clip body, the top end of the said plate being provided with hanging/ attaching means for attaching the hanger to a wall or like surface.
The front and rear surface of the said jaws are convex. Convexity of the front jaw/ surface is more than the convexity of rear jaw /surface.
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The front and rear jaws are integrally formed and are more wide at the top end than at the bottom end. The bottom free ends of the said front and rear jaws are bent inwards to mesh or lie face to face with each other. The free edges of the bent ends of the two jaws are inclined/ tapered.
The angular projections provided in each of the sliding hanger are in the odd numbers, preferably three, alternatively bent in opposite direction.
The top/ vertical side of the plate hanger is provided with a hole and/ or attaching means such as Velcro, magnet, hook, clamping pins or the like for hanging/mounting the device on the wall or any other surface. The clip body and the sliding hangers are made of moulded plastic.
DESCRIPTION OF THE DRAWINGS:
The invention will now be described with reference to the accompanying drawings, wherein:
FIG. 1: Shows the elevation (front view) of the device, according to an embodiment of this invention.
FIG. 2: Shows the elevation (back view) of the device, shown in FIG. 1.
FIG. 3: Shows the end view of the longitudinal clip body of the device shown in FIG. 1.
FIG. 4, 5 and 6: Shows the elevation, plan end view, respectively, of a sliding hanger of the device, according to an embodiment of this invention.
Now referring to FIG 1 to 6, the device (1) for holding, hanging and displaying laminar sheet(s), such as paper calendar, according to an embodiment of this invention, comprises a longitudinal clip body (2) and one or more sliding hanger(s) (3) slidably engaged with the clip body (2) according to requirement. The longitudinal clip body (2) consists of a pair of jaws, a front jaw (4) and a rear jaw (5). The front and rear surfaces of the said jaws are preferably in convex shape. The convexity of the front jaw (4) is more than the convexity of the rear jaw (5). Preferably the bottom free
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ends (6 and 7) of the two jaws are bent to combine/ mesh with each other. The free edges (8 and 9) of the bend (6 and 7) of the jaws (4 and 5) are inclined/ tapered so as to provide a close match for holding the laminar sheets (not shown) firmly in there between but at the same time allowing it to slip out when pulled downwards so as to permit easy removal of the sheet for change over as and when required/ desired. The jaws 4 and 5 are interconnected at the top ends (10) and are preferably integrally formed by suitably bending/folding a single strip as shown in FIG. 3. The rear jaw (5) near its top end is preferably integrally provided or formed otherwise a channel shaped cross section/ groove (11) running across/ throughout the length of the clip body (2). The channel shaped cross section/ groove (11) consisting of a web (12) and flanges (13 and 14) for supporting and guiding the sliding hanger/s (3) which are adjusted at a desired point along the length of the clip body (2). The clip body (2) is wider at top end than its bottom end.
The sliding hanger (3) shown in FIG. 4, 5 and 6 consist of a plate/strip (15) provided with a cut (16) for allowing it to be folded into a 'L' shaped right angle (17) as an when required with a flexibility of straitening as an when required for hanging the device against a tapered or plain vertical wall surface. The plate (15) on its one side, towards the bottom end (18), is provided with a plurality of angular projection (19, 20 and 21) preferably odd/ three in number, alternatively bent in opposite direction i.e. as seen in FIG. 4, projection (19) is bent upward, projection (20) downwards and again projection (21) is bend upward and so on. These bent projections allow the sliding hanger/s (3) to engage with the flanges (13 and 14) of the channel section/groove (11) of the rear jaw (5). The hanger (3) enters into the groove from (11) from one side of the clip body (2) and is adjusted in groove (11) at the desired location. Depending on the length of the clip body (2) used for holding the large laminar sheet(s), two, three even more sliding hangers (3) may be used to support the clip body (2) to maintain straight horizontal line without bending. The top corners of the plate (15) are preferably rounded off. The plate (15) is provided with hole (23) through which hanger (3) can be hanged on a nail or a screw or a hook fixed to the wall. Alternatively or in addition to hole (23), the vertical side (22) of the hanger (3) is provide with 'Velcro' magnet, clamping pin, hooks or the like attaching means to allow the hanging or mounting of hanger/s (3) on various surfaces as per requirement.
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The device (1) i.e. the clip body (2) as well as the sliding hanger/s (3) are preferably made of moulded plastic in attractive colours. The device can be further provided with decorative ornamental designs on its front jaw (4) to give an aesthetic look. The device can, however, be made of any alternate material of tensile strength and durability.
The laminar sheets such as paper calendars is sided from one side of the clip body (2) which will be held firmly in between the front and rear jaws (4 and 5).a sliding hanger (3) is slided in the channel/groove (11) near the top end of the rear jaw (5) and is brought to the middle/centre line of the Calendar and is hang on a nail or screw fixed on the wall in a usual manner. For removing the used sheet at the front, it is just pulled down; the tapered edges (8 and 9) of the jaws will allow slipping down of a paper sheet. Thus, the sheet is changed easily without removing the calendar from the wall.
The clip body (2) due to its convexity in both the jaws (4 and 5) will not bend and calendar will not distort even after long use. The hanger (3) sliding in the channel section/groove (11) in the rear jaw (5) along with the cut (16) provided in the plate (15) provides enough flexibility for hanging/ mounting the laminar sheet/s on any plain or taper surface. For holding, hanging and displaying very wide laminar sheet/s clip body (2) of equal size is used and the number of hangers (3) may be increased to any number as per requirement.
The device (1) of this invention is easy for mass manufacturing by simply moulding the plastic clip body in strip form of suitable length which is then cut to a desired length or just folded to form the sheet body (2). However the device (1) can also be made of metal sheet by metal forming process.
The above description with reference to figure of drawing is given just to understand the invention rather than to limit its scope.
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We Claim,
1. A device for holding and displaying a laminar sheet/s such as paper calendar, comprising of a longitudinal clip body or one or more sliding hanger/s engaged with the said clip body, the said clip body consists of a pair of jaws, a front jaw and a rear jaw, connected with each other at top end and meshing at each other at the bottom end, a channel shape cross section/ groove provided near the top end of the rear jaw, running across the length of the clip body, the said sliding hanger/s consisting of a plate having a cut allowing flexibility and folding, a plurality of angular projections, alternatively bent in opposite directions provided on one side, towards the bottom end of the said plate, the angular projections having bent in the opposite direction slidably engaged with the flanges of the channel shaped groove in the rear jaw of the said clip body, the top end of the said plate being provided with hanging/ attaching means for attaching the hanger to a wall or like surface.
2. A device according to claim 1, wherein the front and rear surface of the said jaws are convex.
3. A device according to claim 2, wherein convexity of the front jaw/ surface is more than the convexity of rear jaw /surface.
4. A device according to claim 1, wherein the front and rear jaws are integrally formed and are wider at the top end than at the bottom end.
5. A device according to claim 1, wherein the bottom free ends of the said front and rear jaws are bent inwards to mesh or lie face to face with each other.
6. A device according to claim 5, wherein the free edges of the bent ends of the two jaws are inclined/ tapered.
7. A device according to claim 1, wherein the angular projections provided in each of the sliding hanger are in the odd numbers, preferably three, alternatively bent in opposite direction.
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8. A device according to claim 1, wherein the top/ vertical side of the plate hanger is provided with a hole and/ or attaching means such as Velcro, magnet, hook, clamping pins or the like for hanging/ mounting the device on the wall or any other surface.
9. A device according to claim 1, wherein the said clip body and the sliding hangers are made of moulded plastic.
10. A device for holding and displaying laminar sheet/s such as paper calendar substantially as herein described and illustrated in fig. 1 to 6 of the drawings accompanying the specification.
Dated this 4th day of April 2006

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ABSTRACT:
A device for holding and displaying a laminar sheet/s such as paper calendar, comprising of a longitudinal clip body or one or more sliding hanger/s engaged with the said clip body, the said clip body consists of a pair of jaws, a front jaw and a rear jaw, connected with each other at top end and meshing at each other at the bottom end, a channel shape cross section/ groove provided near the top end of the rear jaw, running across the length of the clip body, the said sliding hanger/s consisting of a plate having a cut allowing flexibility and folding, a plurality of angular projections, alternatively bent in opposite directions provided on one side, towards the bottom end of the said plate, the angular projections having bent in the opposite direction slidably engaged with the flanges of the channel shaped groove in the rear jaw of the said clip body, the top end of the said plate being provided with hanging/ attaching means for attaching the hanger to a wall or like surface.
-5 APR 2006