Exercise devices – User manipulated force resisting apparatus – component... – Utilizing resilient force resistance
Patent
1995-06-13
1996-04-09
Crow, Stephen R.
Exercise devices
User manipulated force resisting apparatus, component...
Utilizing resilient force resistance
482121, 482904, A63B 6900
Patent
active
055056814
ABSTRACT:
A device for athletic exercise by pulling at a resisting force. The device consists of a small cylindrical enclosure containing a number of constant force, circular wound spring assemblies, having a pulley molded to the enclosure, and having a force selector assembly connected to the enclosure which also serves to hold the device in any fixed location. A cord is wound around the pulley during assembly and its free end is attached to a pull-handle. A person uses the force selector by manually moving a spring-loaded adjustment knob through slots in the selector assembly to a slot which corresponds to the desired force level. This action causes a spring-engagement rod inside the selector assembly to engage the number of spring assemblies that will produce the selected resisting force when a person pulls at the pull handle. The device is small and light in weight. Provision is made for attachment of the device to any suitable restraining object or static equipment.
REFERENCES:
patent: 518967 (1894-05-01), Poole
patent: 1324404 (1919-12-01), Metzger
patent: 4591151 (1986-05-01), Hensley
patent: 4603856 (1986-08-01), Fiore
patent: 4871165 (1989-10-01), Marshall et al.
patent: 5269512 (1993-12-01), Crowson et al.
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