Foldable handrail structure

Details Foldable handrail structure Foldable handrail structure

2011-06-14

2011-06-14

Chapman, Jeanette E. (Department: 3633)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Hinge

Including means to hold or retard hinged members against...

C256S067000, C005S099100, C016S323000, C403S102000, C403S321000, C403S322100, C403S218000

Reexamination Certificate

active

07958601

ABSTRACT:
A foldable handrail structure includes a casing, a first handrail member and a first locking member. The first handrail member is rotatably connected to the casing. The first locking member is rotatably disposed in the casing. The first locking member is capable of rotating between a first locked position and a first unlocked position, so as to selectively restrain the first handrail member from rotating.

REFERENCES:
patent: 5241716 (1993-09-01), Kohus
patent: 6202229 (2001-03-01), Cheng
patent: 7108443 (2006-09-01), Chen
patent: 7284288 (2007-10-01), Cheng
patent: 7380311 (2008-06-01), Chen
patent: 2003/0061658 (2003-04-01), Longenecker
patent: 2005/0147463 (2005-07-01), Chen
patent: 2006/0021136 (2006-02-01), Cheng
patent: 2007/0186344 (2007-08-01), Cheng
patent: 2677682 (2005-02-01), None
patent: 2 794 009 (2000-12-01), None
patent: 2 434 178 (2007-07-01), None

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