Manual winch device


FIG. 1 is a perspective view of a manual winch device showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
2913224 May 1955 Uhlig
Other references
  • Wallace Products Cat., May 25, 1976, p. 81, winch-hoist, single item on page. Wards F&W, 1971, p. 8, 1161, winch hoist, see item 3, top right hand side.
Patent History
Patent number: D315976
Type: Grant
Filed: May 17, 1988
Date of Patent: Apr 2, 1991
Inventor: Y. S. Shieh (Sec. 2, Yuan-Lin Jen, Chang Hua Hsien)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Law Firm: Dvorak and Traub
Application Number: 7/194,718
Current U.S. Class: Crane Or Hoist (5) (D34/33)