Chair control mechanism

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Description

FIG. 1 is an underside perspective view of a chair control mechanism illustrating my design,

FIG. 2 is a right side view thereof,

FIG. 3 is a back view thereof,

FIG. 4 is left side view thereof,

FIG. 5 is a front view thereof; and,

FIG. 6 is a bottom view thereof.

The portions of the figures shown in dashed lines do not form part of the design.

Referenced Cited
U.S. Patent Documents
D247943 May 23, 1978 Doerner
D252661 August 21, 1979 Bowman
D292459 October 27, 1987 Doerner
D378480 March 18, 1997 Doerner
Other references
  • Northfield Metal Products Limited, "Chair Controls, Bases and Components", undated, cover page, pp. 89-90.
Patent History
Patent number: D432338
Type: Grant
Filed: Nov 12, 1999
Date of Patent: Oct 24, 2000
Assignee: Northfield Metal Products Limited (Waterloo)
Inventor: Gerard Matern (Waterloo)
Primary Examiner: Gary D. Watson
Law Firm: Shook, Hardy & Bacon L.L.P.
Application Number: 0/113,921
Classifications
Current U.S. Class: D/6500
International Classification: 0606;