Column for a lifting appliance

Description

FIG. 1 is a top perspective view of a column for a lifting appliance showing our new design; and,

FIG. 2 is a bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
4399572 August 23, 1983 Johansson
4680819 July 21, 1987 James
4712257 December 15, 1987 James
4837874 June 13, 1989 Giercarz et al.
4918771 April 24, 1990 James
Patent History
Patent number: D329112
Type: Grant
Filed: Apr 13, 1990
Date of Patent: Sep 1, 1992
Assignee: Arjo Hospital Equipment AB (Eslov)
Inventors: Jonnie Silbersky (Malmo), Leif B. Sonesson (Eslov)
Primary Examiner: Wallace R. Burke
Assistant Examiner: H. Baynham
Application Number: 7/508,413
Classifications