Key blank for an axial tumbler-type lock

- Chicago Lock Co.
Description

FIG. 1 is a perspective view of a key blank for an axial tumbler-type lock embodying my new design;

FIGS. 2 and 3 are, respectively, elevational views of the opposite sides thereof;

FIG. 4 is a top plan view thereof, with the key blank oriented as in FIG. 2;

FIG. 5 is a bottom plan view thereof, with the key blank oriented as in FIG. 3; and

FIGS. 6 and 7 are, respectively, elevational views of the opposite ends thereof.

The characteristic feature of the design resides in the end portion of the key blank opposite to the handle thereof.

Referenced Cited
U.S. Patent Documents
D244081 April 19, 1977 Steinbach
877930 February 1908 Katzenberger
3251205 May 1966 Kerr
Patent History
Patent number: D253160
Type: Grant
Filed: Jan 16, 1978
Date of Patent: Oct 16, 1979
Assignee: Chicago Lock Co. (Chicago, IL)
Inventor: Robert L. Steinbach (Chicago, IL)
Primary Examiner: James M. Gandy
Attorney: Norman H. Gerlach
Application Number: 5/869,868
Classifications
Current U.S. Class: D/8347
International Classification: D0807;