Modular backrest unit

Description

FIG. 1 is a generally front and partial top and left side perspective view of a modular backrest unit embodying the design of the present invention;

FIG. 2 is an exploded generally front and partial top and left side perspective view thereof;

FIG. 3 is a top plan view of the modular back support element shown separately for clarity of illustration;

FIG. 4 is a front elevational view of FIG. 3;

FIG. 5 is a right side elevational view of FIG. 3, the left side being a mirror image of that shown;

FIG. 6 is a rear elevational view of FIG. 3;

FIG. 7 is a bottom plan view of FIG. 3;

FIG. 8 is a top plan view of one of the modular lateral support elements of the modular backrest unit, shown separately for clarity of illustration;

FIG. 9 is a rear elevational view of FIG. 8;

FIG. 10 is a left side elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8; and,

FIG. 12 is a bottom plan view of FIG. 8.

The cross-hatching represents conventional fabric and is understood to extend throughout the areas represented. The dotted lines represent stitching.

Referenced Cited

U.S. Patent Documents

3063749 November 1962 Struble et al.
3542421 November 1970 Ambrose
4024861 May 24, 1977 Vincent
4108170 August 22, 1978 Spann
4234228 November 18, 1980 Flamm
4362334 December 7, 1982 Ross et al.
4383713 May 17, 1983 Roston
4790041 December 13, 1988 Shtull
4793652 December 27, 1988 Hannah et al.
4898185 February 6, 1990 Fuller
5149173 September 22, 1992 Jay et al.
5387177 February 7, 1995 Dunn

Other references

  • Copending U.S. Appl. No.: 29/018,024 Filed: Jan. 27, 1994 Entitled "Surgical Patient Support Cushion".

Patent History

Patent number: D374368
Type: Grant
Filed: Dec 28, 1994
Date of Patent: Oct 8, 1996
Assignee: Span-America Medical Systems, Inc. (Greenville, SC)
Inventors: Stephen H. Sprigle (Buffalo, NY), Richard W. Raburn (Mauldin, SC)
Primary Examiner: Lisa P. Lichtenstein
Law Firm: Dority & Manning, P.A.
Application Number: 0/32,795

Classifications

Current U.S. Class: D/6601; D6/596