Checking mechanism for reciprocative devices including door closers

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Description

FIG. 1 is a top plan view of the first embodiment of a checking mechanism for reciprocative devices including door closers.

FIG. 2 is a left side elevational view thereof, the right side being a mirror image of that shown.

FIG. 3 is a top, front, and right side perspective view thereof.

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a front elevational view of the second embodiment of a checking mechanism for reciprocative devices including door closers, the only difference being the aperture wherein all other surfaces are the same as in the first embodiment.

Referenced Cited
U.S. Patent Documents
D395995 July 14, 1998 Alonso
2732920 January 1956 Newton
2920338 January 1960 Falk
3032806 May 1962 Mallory
3162889 December 1964 Runnels
3566435 March 1971 Nakamura
3665549 May 1972 Quinn
4160304 July 10, 1979 Smith et al.
4194264 March 25, 1980 Stoffregen
4722116 February 2, 1988 Erickson
4777698 October 18, 1988 Lord
4815163 March 28, 1989 Simmons
4831688 May 23, 1989 Deininger
5495639 March 5, 1996 Wartian
5845360 December 8, 1998 Lantzy
Patent History
Patent number: D425776
Type: Grant
Filed: Jan 8, 1998
Date of Patent: May 30, 2000
Inventor: Ricardo Alonso (Denver, CO)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Jennifer Rivard
Application Number: 0/81,742
Classifications
Current U.S. Class: D/8343
International Classification: 0807;