Chair control

Koepke July 30, 1

Patent Grant D318588

U.S. patent number D318,588 [Application Number 07/211,407] was granted by the patent office on 1991-07-30 for chair control. This patent grant is currently assigned to Leggett & Platt, Incorporated. Invention is credited to Earl H. Koepke.


United States Patent D318,588
Koepke July 30, 1991

Chair control

Claims

The ornamental design for a chair control, as shown and described.
Inventors: Koepke; Earl H. (Sturgis, MI)
Assignee: Leggett & Platt, Incorporated (Carthage, MO)
Appl. No.: 07/211,407
Filed: June 24, 1988

Current U.S. Class: D6/716.7; D6/366
Field of Search: ;D6/491,495,496,498,499,366 ;297/300,292,285 ;248/608

References Cited [Referenced By]

U.S. Patent Documents
2818911 January 1958 Syak
3480249 November 1969 Lie
3627252 December 1971 Yamaguchi
4533177 August 1985 Latone
4555085 November 1985 Bauer et al.
4707029 November 1987 Korn
4711491 December 1987 Ginat
4758045 July 1988 Edel et al.
4796950 January 1989 Mrotz, III et al.

Other References

Interiors, May 1984, p. 19, Herman Miller, Chair. .
Sketch of Herman Miller, Knee-Action Chair Control Mechanism. .
Brochure excerpt of "Equa" chair by Herman Miller. .
"Buhk 100" Chair from Contract, 1987, p. 124. .
"Catalyst" Chair of Haworth, from Interiors, May 1987, p. 128 and unnumbered page containing photograph of Chair. .
"Model 788" Chair Mechanism of Collier-Keyworth Company, from brochure excerpt..

Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Seeger; Janice E.
Attorney, Agent or Firm: Wood, Herron & Evans

Description



FIG. 1 is a side elevational view of a chair control, showing my new design;

FIG. 2 is a top perspective view, on an enlarged scale;

FIG. 3 is bottom perspective view, on an enlarged scale;

FIG. 4 is a top plan view, on an enlarged scale;

FIG. 5 is an elevational view showing the side not shown in FIG. 1, on an enlarged scale;

FIG. 6 is a front elevational view, on an enlarged scale;

FIG. 7 is a rear elevational view, on an enlarged scale; and

FIG. 8 is a bottom plan view, on an enlarged scale.

The broken lines are for illustrative purposes only.

* * * * *


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