Pantographically movable support apparatus

Details Pantographically movable support apparatus Pantographically movable support apparatus

1992-01-14

1993-10-12

Friedman, Carl D.

Static structures (e.g., buildings)

Lazy tong extension unit

52645, E04H 1218

Patent

active

052514129

ABSTRACT:
A support apparatus has lengthwise beams which are coupled together by a plurality of cross members. The beams are hingedly fixed to the plurality of cross members via intermediate members. The apparatus is pantographically movable, and thus the volume of the apparatus can be reduced for transport. Two such apparatus can be coupled together to form a support system on which a cover is held. The cover is supported on a number of arcuate supports which extend between the beams, the ends of the arcuate supports being folded over to hold the cover in place.

REFERENCES:
patent: 4015377 (1977-04-01), Jastrzebski
patent: 4546591 (1985-10-01), Beltz
patent: 4612848 (1986-09-01), Pollack
patent: 4628560 (1986-12-01), Clevett et al.
patent: 4899507 (1990-02-01), Mairlot

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