Door push bar structure

Details Door push bar structure Door push bar structure

2007-05-22

2007-05-22

Mah, Chuck Y. (Department: 3677)

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

Handle, handle component, or handle adjunct

Door handle

Reexamination Certificate

active

11023134

ABSTRACT:
A door push bar structure includes a mounting mechanism having a locking element with a stopper, a sleeve screwed at an end to the locking element, and a locating element, the stopper and an end of the locking element screwed to the sleeve being located in a through hole on a door, and the opposite end of the sleeve being pressed against an outer side of the through hole of the door; and two door push bars, one of which is provided at each end surface with a hole for fixedly connecting with an opposite end of the locking element, and the other one is provided at each end surface with a horizontal hole for receiving the opposite end of the sleeve therein, and a vertical hole communicating with the horizontal hole for the locating element to extend thereinto to firmly press against the opposite end of the sleeve.

REFERENCES:
patent: 2059319 (1936-11-01), De Vries
patent: 2576511 (1951-11-01), Jewett
patent: 3216757 (1965-11-01), Campbell
patent: 4788745 (1988-12-01), Wallis et al.
patent: 4912809 (1990-04-01), Scheuer
patent: 6463628 (2002-10-01), Yeh
patent: 6966101 (2005-11-01), Chiang
patent: 1901798 (1975-04-01), None
patent: 2415905 (1975-10-01), None
patent: 2435359 (1976-02-01), None
patent: 156793 (1985-10-01), None
patent: 09177383 (1997-07-01), None
patent: 10082216 (1998-03-01), None
patent: 10231649 (1998-09-01), None

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