Traction hoist used in a powered suspended scaffold

- Nihon Biso Co., Ltd.
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Description

FIG. 1 is front view of a traction hoist assembled with an electric motor;

FIG. 2 is a rear view of the traction hoist assembled with the electric motor;

FIG. 3 is a top plan view of the traction hoist assembled with the electric motor;

FIG. 4 is a bottom plan view of the traction hoist assembled with the electric motor;

FIG. 5 is a right side elevational view of the traction hoist assembled with the electric motor;

FIG. 6 is a left side elevational view of the traction hoist assembled with the electric motor;

FIG. 7 is a perspective view from the front and left side of the traction hoist assembled with the electric motor; and,

FIG. 8 is a perspective view from the front and right side of the traction hoist asembled with the electric motor.

Referenced Cited
U.S. Patent Documents
D188729 August 1960 Hunt
D295104 April 5, 1988 Pancook
2430340 November 1947 Johnson
3290013 December 1966 Walsh et al.
3329406 July 1967 Flair
4139178 February 13, 1979 Hippach
4706940 November 17, 1987 Harig
Patent History
Patent number: D388929
Type: Grant
Filed: Dec 4, 1996
Date of Patent: Jan 6, 1998
Assignee: Nihon Biso Co., Ltd.
Inventor: Shizuka Kuryu (Tokyo)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Law Firm: Hedman, Gibson & Costigan, P.C.
Application Number: 0/63,278
Classifications
Current U.S. Class: Crane Or Hoist (5) (D34/33)
International Classification: 1205;