Push-button keylatch

- Southco, Inc.
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Description

FIG. 1 is a perspective view of a push-button keylatch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 ia a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view of an alternate embodiment thereof, the only difference residing in the absence of a keyhole in the push-button element .

Referenced Cited
Other references
  • Eberhard Catalogue (1985), Section 1, p. 10, Push-Button Lock, #AE7-9302. Chicago Lock Co., Catalogue #172-A (1964), p. 41, Lock #1210. Chicago Lock Co., Catalogue #172-A (1964), p. 66, Lock #511. Chicago Lock Co., Catalogue #172-A (1964), p. 47, Locking Handle & Non-Locking Handle. Southco Fastener Handbook 35, copyright 1986, pp. G-3, G-4 and G-5.
Patent History
Patent number: D312769
Type: Grant
Filed: Jun 16, 1988
Date of Patent: Dec 11, 1990
Assignee: Southco, Inc. (Concordville, PA)
Inventor: Robert H. Bisbing (Springfield, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Paul & Paul
Application Number: 7/208,272
Classifications
Current U.S. Class: D/8338