Pulley for operating aircrafts

- Arvan, Inc.
Description

FIG. 1 is a top plan view of a pulley for operating aircrafts showing my new design with the bottom plan view being a mirror image;

FIG. 2 is a side elevational view thereof with the other sides being mirror images thereof;

FIG. 3 is a sectional view thereof taken along line 3--3 of FIG. 1; and,

FIG. 4 is a partial sectional view taken along line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D23476 July 1894 Ketchum
D32338 March 1900 Cliff
D57271 March 1921 Royer
D205065 June 1966 Bollinger et al.
D239619 April 1976 May
D245669 September 6, 1977 Woods
Patent History
Patent number: D326602
Type: Grant
Filed: Mar 27, 1991
Date of Patent: Jun 2, 1992
Assignee: Arvan, Inc. (Gardena, CA)
Inventor: Maxwell C. Cheung (Irvine, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Law Firm: Spensley Horn Jubas & Lubitz
Application Number: 7/675,715
Classifications
Current U.S. Class: D/8360