Back and leg stretcher

Details Back and leg stretcher Back and leg stretcher

1988-02-05

1989-04-11

Apley, Richard J.

Undertaking

272903, A63B 2100

Patent

active

048199362

ABSTRACT:
A back and leg stretcher, for applying a pusher force on an operator thereof, while supporting the operator in a seat assembly, is provided. The stretcher has a seat assembly and a pusher assembly. The seat assembly has a horizontal seat unit, a lower frame with two legs, and an upper frame with two legs. The pusher assembly has a pivot assembly, a pivot beam, a pusher unit, and a pulley system. The pivot assembly is centrally supported on the upper end of the horizontally seat unit. The pivot beam has a counterweight at a first end thereof and has a first pivot bolt at its midlength portion. The pusher unit has a pair of pusher arms pivotally supported by a second pivot bolt at one end and has a back engaging portion at its other end. The pulley system has a pulley rope, held by the operator at one end and extending through a pulley at its midlength portion and applying a force and torque on the pivot beam at its other end.

REFERENCES:
patent: 1537464 (1975-05-01), Hummel, Jr.
patent: 1641188 (1927-09-01), Mittag
patent: 4079933 (1978-03-01), Everroad
patent: 4248420 (1981-02-01), Hayes
patent: 4445684 (1984-05-01), Ruff
patent: 4565368 (1986-01-01), Boettcher

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