Chairs and seats – Supplemental back – Including a means to adjust supplemental back relative to a...
Patent
1994-08-03
1995-10-03
Cranmer, Laurie K.
Chairs and seats
Supplemental back
Including a means to adjust supplemental back relative to a...
297 4, 29745246, A47C 702
Patent
active
054546230
ABSTRACT:
A back rest for use in resting against a tree comprising a pad of a generally trapezoidal configuration with a front face and a rear face and formed of a resilient elastomeric material, the pad being wider at its top edge than its bottom edge, the pad having a plurality of apertures in rows and columns throughout the majority of its extent, a projection extending rearwardly from the rear face of the pad adjacent to its top edge, the projection having a concave surface adapted to be received by the convex surface of a tree against which the pad is positioned and a plurality of belt loops formed adjacent to the top edge of the device with the holes of the loops in axially alignment for being supported on the belt of a user.
REFERENCES:
patent: 1419006 (1922-06-01), Barrett
patent: 3138404 (1964-06-01), Newton
patent: 4025105 (1977-05-01), Pekala
patent: 4394783 (1983-07-01), Simmons
patent: 5271659 (1993-12-01), Zinkevicz
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