US2080441A - Collapsible structure - Google Patents

Description

May 1937. 1- SHOQP 2,080,441

COLLAPSIBLE STRUCTURE Filed Sept. 28, 1935 ATTORNEYS Patented May 18, 1937 l UNITED STATES PATENT OFFICE 2,080,441 COLLAPSIBLE STRUCTURE Charles '1. Simon, College Point, N. Y. Application September 28, 1935, Serial No. 42,570 3 Claims. (01. 311-95) This invention has relation to collapsible suptangular shape having sides of equal widths and porting structures and while not necessarily reextensible in the same direction. Each set of stricted to such use, the same is disclosed as an lazy-tongs includes pairs of crossed bars 5 and 6 extensible pedestal for a table or analogous Suppivotally connected medially as at 1 and pivotally 5 porting structure. connected at their ends as at 8 to the ends of the Primarily, the invention comprehends a supcrossed bars of adjacent pairs. The adjacent porting structure which is collapsible to a comsets of lazy-tongs are connected together by angle pact condition so as to occupy a minimum amount brackets 9 and the pivots 8 which extend through of space for storage and shipment and which is the angularly disposed leaves of the brackets.

10 extensible to a set up condition and when so ex- The free terminals of the upper pair of crossed 10 tended provides a firm support. bars 5 and 6 of each lazy-tong set are pivotally The invention further resides in a supporting connected as at I!) and H to angle brackets l2 structure of the indicated character having means which connect the upper terminals of adjacent for locking the same in extended position, which sets. The angle brackets. [2 are provided with means is so constructed as to permit of the selecapertures It at the juncture of their angularly 15 tive locking of the device in a plurality of varidisposed leaves for slidably connecting the upper ously extended positions. end of the pedestal C with the table top or equiva- More specifically the invention provides a collent element by means of crossed rods M which lapsible supporting structure including a base extend through the apertures and are suitably and a head and a contractible and extensible anchored as at l5 to the table top. The free 20 body made up of a plurality of sets of lazy-tongs terminals of the lower pair of crossed rods 5 and arranged in contiguous angularly disposed planes 6 o each S t a pivotally Connected as a 15 with pivotal connections between the terminals to angle brackets ll, which angle brackets are of the tongs of adjacent sets and with slidable slidably connected with the base B. As illusand pivotal connections between the endmost G ated, t e base B includes Crossed bars W 25 tongs of said sets and the base and head readapted to rest upon a supporting surface and spectively. permanently secured together intermediate their With the above recited and other objects in ends. The lower an b et l1 n e a view, the invention is more particularly set forth web l9 extending between the leaves thereof o in the specification and drawing wherein there and aheaded pin 20 extends downwardly through is disclosed a preferred form and adaptation of a slotted plate 2| for slidably connecting the the invention, while the appended claims cover corners of the pedestal with the base B to pervariations and modifications in the structure and mit of the contraction and extension of the use of the invention. pedestal. While the pedestal is illustrated as In the drawing: composed of four sets of lazy-tongs arranged in 35 Fig. 1 is a perspective view of a table embodying contiguous angularly di p P t of a collapsible supporting structure made up in course, obvious that within the scope of the accordance with the invention, illustrating the invention the pedestal may consist of three or same in extended condition and with parts broken more sets so arranged and connected with each away to disclose the underlying structure. other and with the base and top. 40 Fig. 2 is a side view partially in section illus- Any suitable means may be provided for locktrating the table in collapsed condition. ing the pedestal in extended position, but as il- Fig. 3 is a fragmentary sectional view taken lustrated a pair of latch bars 22 are provided on approximately on line -3--3 of Fig. 1. opposite sides at the upper end of the pedestal,

In the adaptation of the invention herein disthe latch bars being pivoted on the pivots H and 45 closed, the same is illustrated as embodied in a provided with a plurality of notches 23 in its table structure, although it is to be understood lower edge for selective engagement with the that the invention is capable of use for other pivots l0 whereby the pedestal may be locked in purposes, wherein A designates generally the one of a number of variously extended positions.

table top or head, B the base and C the pedestal. When not in use, the latch bars 22 are discon- 5 The pedestal C is in the form of a contractible nected permitting the collapsing of the pedestal and extensible body and includes a plurality of to a position illustrated in Fig. 2 where the top sets of lazy-tongs, four sets being shown in the A is moved into close proximity to the base B present embodiment and arranged in contiguous with the collapsed pedestal disposed therebeangul-arly disposed planes to form a frame of rectween. 55

What is claimed is.

' 1. A collapsible supporting structure including a base comprising a pair of horizontally disjacent sets, angle brackets pivotally connecting the adjacent with the crossed members of the base.

2. A collapsible supporting structure including.

of lazy-tongs are pivotally connected, the uppermost angle plates having apertures slidably engaging the crossed rods of the head, the lowermost angle plates having horizontal webs and members extending through said web and engaging in the slotted guideways at the end of the cross bars of the base.

3. A collapsible supporting structure including a base comprising a pair of horizontally dis posed crossed bars, slotted guideways at the optensible body comprising a plurality of sets of lazy-tongs arranged in contiguous angularly disposed planes, angle plates to which the ends of adjacent sets of lazy-tongs are pivotally connected, the uppermost angle plates having apertures slidably engaging the crossed rods of the head, the lowermost angle plates having horizontal Webs and members extending through said Web and engaging in the slotted guideways at the end of the cross bars of the base, and means for selectively locking the extensible body in a plurality of variously extended positions.

CHARLES T. SHOOP.

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