Rotary lock
Latest A. L. Hansen Manufacturing Company Patents:
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
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