Portable door lock

Details Portable door lock Portable door lock

2005-12-20

2005-12-20

Walsh, John B. (Department: 2151)

Closure fasteners

Portable

C292S289000, C292S296000, C292S298000, C070S416000

Reexamination Certificate

active

06976716

ABSTRACT:
A portable door lock includes a stop member and a connection plate, wherein the stop member has a slot defined therethrough and a rod is movably engaged with the slot. The stop member has two flat sides and one of which is to be contact an inside of a door. The connection plate has a hole and a tongue splits from the hole so as to be inserted in a recess in a door jamb. Two positioning holes are defined through the connection plate so that the connection plate cab be fixed to the door jamb. At least one engaging hole is defined through the connection plate so that the rod is engaged with the at least one engaging hole. A chain is connected between the stop member and the connection plate. The connection plate does not disengage from the doorjamb when the door is opened.

REFERENCES:
patent: 3971100 (1976-07-01), Anop
patent: 4399672 (1983-08-01), Moorhouse
patent: 4627651 (1986-12-01), Grimbly
patent: 5325685 (1994-07-01), Frank
patent: 5361539 (1994-11-01), Widener
patent: 5515704 (1996-05-01), van Nguyen
patent: 5566993 (1996-10-01), Olivas
patent: 5836626 (1998-11-01), Coy
patent: 6327878 (2001-12-01), Levenson
patent: 6416089 (2002-07-01), Williams, Jr.

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