Rotary lock

Description

FIG. 1 is a top, front, and left side elevational view of a rotary lock showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top, rear, and left side perspective view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof; and

FIG. 8 is a bottom plan view thereof.

The fragmentary broken-line depiction of a door in the views is for illustrative purposes only and forms no part of the claimed design.

In the figures dashed lines are used to represent a door on which the lock is mounted; this door has been shown to clarify the environment in which the lock is used.

Referenced Cited
U.S. Patent Documents
2540686 February 1951 Milburn
2638370 May 1953 Price
2666319 January 1954 Price
2919569 January 1960 Davis
2923145 February 1960 Labrie
Patent History
Patent number: D316365
Type: Grant
Filed: Jan 13, 1989
Date of Patent: Apr 23, 1991
Assignee: A. L. Hansen Manufacturing Company (Waukegan, IL)
Inventors: Randall C. Hansen (Lake Forest, IL), Gilbert H. Krahn (Kenosha, WI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Willian Brinks Olds Hofer Gilson & Lione
Application Number: 7/297,064
Classifications
Current U.S. Class: D/8331