Pulley for lowering tree branches

Description

FIG. 1 is a perspective view of a pulley for lowering tree branches showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side being a mirror image of that shown; and,

FIG. 5 is a top plan view thereof, the bottom being a mirror image of that shown.

Referenced Cited
U.S. Patent Documents
2922599 January 1960 Bigelow
4063712 December 20, 1977 Arbogast
4216940 August 12, 1980 Martin
4483491 November 20, 1984 Rainey
4834331 May 30, 1989 Domingo
Patent History
Patent number: D330671
Type: Grant
Filed: Oct 29, 1990
Date of Patent: Nov 3, 1992
Inventors: Thomas F. Greene (Amesbury, MA), Arthur B. Davidson (Cranston, RI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Attorney: John P. McGonagle
Application Number: 7/604,599
Classifications
Current U.S. Class: D/8360; Crane Or Hoist (5) (D34/33)