Ergonomic arm support for a chair

- Grahl Industries, Inc.

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Description

FIG. 1 is a front perspective view of the ergonomic arm support for a chair showing my new design, the broken line depiction of the chair being for llustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view of the ergonmic arm support;

FIG. 3 is a front elevational view of the ergonomic arm support;

FIG. 4 is a side elevational view of the ergonomic arm support in a first position;

FIG. 5 is a bottom view of the ergonomc arm support; and,

FIG. 6 is a side elevational view of the ergonomic arm support in a second position.

Referenced Cited
U.S. Patent Documents
D211461 June 1968 Walkinshaw
D277916 March 12, 1985 Aronowitz et al.
D288872 March 24, 1987 Schultz
D329770 September 29, 1992 Grahl et al.
766484 August 1904 Armstrong
1527754 February 1925 Simon
2708899 May 1955 Rudolph
5382079 January 17, 1995 Wilson et al.
Other references
  • Interiors, Apr. 1976, p. 7 See circled chair armrest, right center-Desk copy. Steelcase, "Criterion. The chair that works hard . . . " (pre Jan. 1991). Grahl, "The Innovative Company in Ergonomics" (1991). Neutral Posture Ergonomics (May 1991). The Chair Works, "An engineering Solution . . . " (pre Jan. 1992).
Patent History
Patent number: D371474
Type: Grant
Filed: Mar 13, 1995
Date of Patent: Jul 9, 1996
Assignee: Grahl Industries, Inc. (Coldwater, MI)
Inventor: Karl-Heinz Koopman (Steyerberg)
Primary Examiner: Martie Thompson
Attorneys: Weiner, Carrier & Burt, Weiner, Carrier & Burt
Application Number: 0/36,068
Classifications
Current U.S. Class: D/6501; D/6366