Quick-release hanging device

Supports – Brackets – Hook type – stationary mount

Reexamination Certificate

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Details

C248S222520, C024S580110, C224S197000, C224S272000

Reexamination Certificate

active

07819370

ABSTRACT:
A quick-release hanging device includes a base and a detachable part. This base includes a first through hole and a second through hole. The first through hole has a first regular polygonal shape. The second through hole has a substantially round shape. The detachable part includes a movable portion, a hanger and a locking portion. The locking portion has a second regular polygonal shape that is relative smaller than and corresponding to the first regular polygonal shape. The locking portion is rotatable within the second through hole. It is easy to manufacture with low cost. The connected structure is quite solid. Moreover, its application scope is wide.

REFERENCES:
patent: 3080634 (1963-03-01), Lindblad
patent: 3443783 (1969-05-01), Fisher
patent: 3564984 (1971-02-01), Alexander
patent: 3743147 (1973-07-01), Wilczynski
patent: 4527760 (1985-07-01), Salacuse
patent: 4641807 (1987-02-01), Phillips
patent: 4982981 (1991-01-01), Fourrey et al.
patent: 5201858 (1993-04-01), Otrusina
patent: 5421497 (1995-06-01), Gilmore
patent: 5551611 (1996-09-01), Gilmore
patent: 5604958 (1997-02-01), Anscher
patent: 6478202 (2002-11-01), Glock
patent: 6685067 (2004-02-01), French
patent: 6695269 (2004-02-01), Anscher

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