Weightlifting exercise device

Details Weightlifting exercise device Weightlifting exercise device

1987-03-05

1988-06-28

Apley, Richard J.

Undertaking

272DIG4, A63B 2106

Patent

active

047534370

ABSTRACT:
A weight lifting exercise device is described. The device includes an upright standing main support frame formed of interconnected vertical and horizontal support members. A weight support carriage for detachably securing weight members is supported by the main frame for vertical movement with respect to the main frame. A cable is secured at one end to the carriage and is reeved around pulleys. A gripper bar is secured to the free end of the cable and is disposed to be grasped by a user for raising and lowering the weight support carriage. A resistance converter assembly is supported by the main frame and is secured to the weight support carriage to vary the force resistances on the carriage as the carriage is moved vertically. The resistance converter assembly includes a beam member having one end pivotably secured to the weight support carriage, and a bearing pivotably supported by vertical members of the main frame, the bearing supporting the beam member for rectilinear movement in response to the veritcal movement of the weight support carriage. The beam member supports a rod member for detachably supporting drag weights, and the main frame may be selectively positioned for varying the vertical position of the bearing which permits varying the angle the beam makes with the weight support carriage.

REFERENCES:
patent: 3905599 (1975-09-01), Mazman
patent: 4154441 (1979-05-01), Gajda
patent: 4188029 (1980-02-01), Brower et al.
patent: 4346888 (1982-08-01), Szabo
patent: 4354675 (1982-10-01), Barclay et al.
patent: 4406452 (1983-09-01), Lapcevic

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