United States Patent Office Nj;fl2fTM
CHAIR COUPLING CONSTRUCTION
Herbert Piker, Wyoming, Ohio, assignor to Hampden
Specialty Products Corporation, Easthampton, Mass.,
Filed Apr. 18, 1960, Ser. No. 23,075
1 Claim. (CI. 297—248)
The present invention relates to new and useful improvements and structural refinements in means for coupling together tv/o or more independent auditorium type chairs to form a row thereof wherein the individual chairs forming the units of the row are incapable of independent and/or separate movements when so coupled together by the said means.
It is directed particularly to the provision of a generic form of coupling and a variety of species of same for the holding together of two or more independent chairs in clamped or locked relationship.
It is a principal object of this invention to provide an inventively novel coupling construction of the type in which chairs may be clamped together so as to offer gangs or groupments thereof.
It is a further object of my invention to provide improved means whereby the legs of a chair may be linked or connected with the adjacent legs of a chair positioned next thereto in order to maintain the chairs in a desired spaced and locked-together relation and alignment.
It is another object hereof to provide a coupling means including separate parts which may be permanently affixed to folding chairs and which will serve a dual purpose in that the components, when joined together in an interlocked manner, will securely couple adjacent chairs together, and will additionally serve to reinforce the legs of the chair when said separate parts are separated or unlocked.
The invention embraces the concept of a coupling means for ganging chairs of the foldable type, which is effective for linking a plurality of chairs together in manner as to insure the proper alignment thereof.
Another chief feature of the invention resides in the fact that each of the chairs of an assembled group or gang may be separately folded and the assembled group or gang may be moved in a body as units of a group.
The various specific forms of clamping means shown are especially adaptable for use with steel folding chairs to form a row of connected seating, although the coupling means may be used with equal facility in conjunction with chairs of other known forms, types and constructions.
Other salient objects of the invention are to provide a coupling or clamping means whereby chairs may be easily and quickly placed in a side-by-side alignment so as to form a row of connected chairs which may be easily transported as a unit, thereby facilitating the temporary placement and removal of groupments of the seating.
Further objects hereof are to provide a coupling means conformable to the desiderata of the proceeding paragraphs and offering specific improvements in the various operating instrumentalities comprising same, which themselves are minimum in number, so that the means is simple and compact in accordance with the demands and desires of manufacturers and purchasers alike and so that it is distinctive in its appearance, practical in its value, durable in its organization, reliable in its operation, and efficient in its use.
With these objects and other incidental ends and advantages reasonably appearing, some being in part obvious and some being in part more fully pointed out in the progress of the following disclosure, it will be explained that the invention consists substantially in the
combination, construction, location and relative arrangement of parts, as described in detail hereinafter, as shown in the annexed drawings, and as defined with particularity in the appended claim forming a part hereof.
5 A plurality of forms or physical embodiments of the invention are illustrated and it will be understood that each is capable of carrying the same into practical operation. It will be noted that the forms therein exhibited may be further varied or changed as to shape, proportion
10 and precise manner of assemblage, all without departing from the spirit of the invention.
These above named objects are accomplished by means of such structure as will be fully apparent from a perusal of the description which follows and the illustrations in
15 the accompanying drawings, wherein like characters of reference are employed to designate like or corresponding parts throughout the several views, and in which:
FIG. 1 is a view, in perspective, of a pair of adjacently arranged foldable chairs having the coupling
20 means of the invention arranged in operative position relative thereto;
FIG. 2 is an exploded perspective view of one form of preferred embodiment of the coupling means of the invention showing the interlocking parts in spaced apart
FIGS. 3-5 are exploded perspective views of other species of the coupling means of the invention;
FIGS. 6-8 are fragmentary front elevational views of additional modifications of the coupling means of the
30 invention; and
FIG. 9 is a top plan view of the coupling means shown in FIG. 8.
With continued reference now to the drawings, which illustrate typical and preferred embodiments of the in
35 vention for purposes of disclosure and form a part of this specification, I have shown a pair of adjacently disposed folding chairs, generally indicated by A and B, with which the coupling means of my invention may be advantageously incorporated.
40 Said folding chairs are of more-or-less conventional construction, each comprising a U-shaped tubular metal front frame forming front legs 11 of the chair and a bight portion 12 in which may be secured a back panel 13, and a pair of tubular metal rear legs 14 hingedly connected to the front legs 11 in known manner, and a seat 16 supported by the legs 11 and 11 and 14 and 14. A tie-rod 17 may connect the spaced front legs 11 near their lower ends and a similar tie-rod 18 may connect the spaced rear legs 14 near their lower ends, all as is
Such folding chairs are primarily manufactured for and intended for individual use, but it sometimes may be found necessary and/or desirable to connect them in groups of 2, 3, 4 or more. Such grouping facilitates
gg the easier handling of the chairs when placing or removing them from such places as gymnasiums, ball-rooms, or the like where they may be used for temporary assembly seating. The present invention envisions the employment of
gg multiple clamps or couplings for so grouping the chairs. As viewed in FIG. 1, two such folding chairs are adjacently disposed and clamped together in side-by-side alignment by means of a clamping or coupling device having a pair of halves, each of which halves is affixed
6g to the aligned legs 11 and 14 of one of the chairs.
In the preferred embodiment of the invention, best illustrated in FIG. 2, I have shown a coupling or clamp, designated generally by 20, and comprising identical interlocking metallic members 22 and 22.
„ Each of said interlocking members 22 and 22 embodies a flat, elongated body or web portion 26 which extends longitudinally to form at its opposite extremities tail