Back to results
US 5,205,798 AGranted
Sporting and exercising unit
AssigneeUnique Life and Fitness Products Corp.
InventorGregory Lekhtman
Life of this patent
Estimating the term…
Abstract
A foot receiving member has a spring member detachably attached to the bottom surface thereof. The spring member includes a top, arched, layer and a bottom, arched, layer and a strap disposed between the two arched layers. The arched layers are attached, at their ends, to a corresponding end of the strap in such a manner that the spring member will be automatically disassembled under the influence of an extraordinary lateral force.
Claims6
A sporting and exercising unit, comprising:
- A) a foot receiving member;
- B) a plastic spring member detachably attached to and disposed at the bottom of the foot receiving member, said spring member comprising:
- i) a top, arched, layer having a first end and a second end;
- ii) a bottom, arched, layer having a first end, a second end, a bottom surface and a top surface;
- iii) spring rate and weight adjustment means having a first end and a second end, said spring rate and weight adjustment means being disposed between said top and bottom layers;
- iv) the first end of the top layer and the first end of the bottom layer being disassemblingly attached to the first end of the spring rate and weight adjustment means, and the second end of the top layer and the second end of the bottom layer being disassemblingly attached to the second end of the spring rate and weight adjustment means;
- said spring rate and weight adjustment means comprising a strap member having a first end and a second end;
- a first snap-fitting means at said first end of said strap, and a second snap-fitting means at said second end of said strap;
- said first end of said top layer and said first end of said bottom layer being snap-fittingly received on said first snap-fitting means;
- and
- said second end of said top layer and said second end of said bottom layer being snap-fittingly received on said second snap-fitting means;
- whereby, the spring member will automatically disassemble under the influence of an extraordinary lateral force.
9 more elements
A sporting and exercising unit, comprising:
- A) a foot receiving member;
- B) a plastic spring member detachably attached to and disposed at the bottom of the foot receiving member, said spring member comprising:
- i) a top, arched, layer having a first end and a second end;
- ii) a bottom, arched, layer having a first end, a second end, a bottom surface and a top surface;
- iii) spring rate and weight adjustment means having a first end and a second end, said spring rate and weight adjustment means being disposed between said top and bottom layers;
- iv) the first end of the top layer and the first end of the bottom layer being disassemblingly attached to the first end of the spring rate and weight adjustment means, and the second end of the top layer and the second end of the bottom layer being disassemblingly attached to the second end of the spring rate and weight adjustment means;
- and further including a sole having a first end and a second end;
- means for detachably mounting said sole on said bottom surface of said bottom layer;
- and wherein said means for detachably mounting comprises a first means at said first end of said bottom layer for releasably holding one end of said sole on the bottom surface of said bottom layer and a second means at the second end of said bottom layer for releasably holding the other end of said sole on the bottom surface of said bottom layer.
6 more elements
A sporting and exercising unit, comprising:
- A) a foot receiving member;
- B) a plastic spring member detachably attached to and disposed at the bottom of the foot receiving member, said spring member comprising:
- i) a top, arched, layer having a first end and a second end;
- ii) a bottom, arched, layer having a first end, a second end, a bottom surface and a top surface;
- iii) spring rate and weight adjustment means having a first end and a second end, said spring rate and weight adjustment means being disposed between said top and bottom layers;
- iv) the first end of the top layer and the first end of the bottom layer being disassemblingly attached to the first end of the spring rate and weight adjustment means, and the second end of the top layer and the second end of the bottom layer being disassemblingly attached to the second end of the spring rate and weight adjustment means;
- v) said spring rate and weight adjustment means comprising a strap member made of a single length of plastic material extending from the first end to the second end thereof having preselected portions, wherein the spring rate and the weight which the strap member can support is adjustable by whittling away said preselected portions of said strap member.
4 more elements
Dependencies are inferred from the claim text.