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US 6,471,288 B2Granted
Continuously adjustable lawn furniture with flexible seat
OwnerJohn G. Alexander, Jr.inventor
Life of this patent
Estimating the term…
Abstract
A folding chair having adjustable rear legs for use on flat, even ground and in addition, on sloping terrain from about zero degrees to twenty degrees and being continuously adjustable over this range by a user in a seated position.
Claims4
A folding chair having adjustable legs for use on flat, even ground and in addition, on sloping terrain from about zero degrees to twenty degrees continuously comprising:
- a front leg assembly consisting of:
- two leg members with a first, upper fixed horizontal cross support to support a portion of a seating material, a lower fixed horizontal cross brace located near the bottom of the leg members,
- a back support assembly being pivotally attached to the front leg assembly, said back support assembly comprising:
- two parallel sides pivotally attached at one end to the outer sides of the front leg assembly,
- a horizontal back support member connected between the upper extents of said two parallel sides and providing a user with back support when unfolded,
- an upper rear leg assembly consisting of:
- two leg members attached near their upper extents by a second, fixed horizontal cross support to support a portion of said seating material,
- a horizontal cross brace fixed near the bottom of the legs,
- a C-type structural channel fixed to the rear facing surface of each upper rear leg to slidably receive at least one channel slide member,
- a lower rear leg assembly consisting of:
- two lower leg members, each containing two channel slide members, one of which is slidably fixed within the upper portion of each of said channels and the other being attached to a screw-type knob, providing for positioning adjustment of said lower leg members with respect to said upper rear leg members,
- a horizontal cross brace fixed between and near the tops of the leg members, and
- a seat consisting of a seating material suspended between said first and second upper fixed horizontal cross braces, said material comprising a flexible material.
10 more elements
Dependencies are inferred from the claim text.