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US 2011/0086746 A1Published application
Resistance chair with wheels
AssigneeFitness IQ LLC
InventorJohann B. VERHEEM
Life of this patent
Estimating the term…
Abstract
A resistance chair with wheels assists users with performing correct abdominal crunches by guiding the user's effort. The resistance chair includes a seat connected to a hinged back with back support that extends to support the user's back and assist in the crunch recovery following the crunch extension.
Claims1
A resistance chair comprising:
- a stationary seat having a front edge and a back edge;
- an arm rotatably engaging the back edge of the seat;
- at least one back support secured to the arm and supporting the back of a user sitting on the stationary seat;
- and
- at least one resistance element connected to the stationary seat;
- wherein the at least one resistance element urges the first arm to an upright start position and assists a user performing an abdominal crunch to return to an upright abdominal crunch position from a fully extended abdominal crunch position;
- and
- wherein the at least one resistance element resists rotation of the first away from the upright start position and resists against the user moving from the upright abdominal crunch position to the fully extended abdominal crunch position.
5 more elements
Dependencies are inferred from the claim text.