Foldable frame assembly

Details Foldable frame assembly Foldable frame assembly

1996-09-06

1997-11-04

Kim, Harry C.

Joints and connections

Articulated members

Lockable at fixed position

403 92, 280646, 280DIG6, F16D 1108

Patent

active

056831951

ABSTRACT:
A foldable frame assembly comprises a first frame, a second frame, a coupler, a hollow bracket, a ferrule, a hollow snap fastener, and a socket pipe. The socket pipe is disposed on the lower end of the first frame. The socket pipe has a plurality of round holes. A hollow press plate is fastened on the lower end of the first frame. The hollow press plate has a snap hole and a bevel. The ferrule is disposed on the hollow bracket. The hollow snap fastener is inserted in the ferrule. An elastic element is inserted in the hollow snap fastener. A hollow seat is inserted in the hollow bracket beneath the elastic element. The upper end of the second frame is inserted in the hollow seat. The coupler has a slot and two parallel lugs. A plurality of through holes are formed on the coupler. An upper portion of the second frame is inserted through the slot. The socket pipe is positioned between the parallel lugs.

REFERENCES:
patent: 4121605 (1978-10-01), Schmerl
patent: 5106117 (1992-04-01), Wang
patent: 5244228 (1993-09-01), Chiu
patent: 5288099 (1994-02-01), Wu
patent: 5464238 (1995-11-01), Wu
patent: 5496054 (1996-03-01), Wu
patent: 5582372 (1996-12-01), Wu
patent: 5605409 (1997-02-01), Haut et al.

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