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Exercise apparatus providing resistance variable during operation
| Details |
Inventors: Owens, Steve;
Assignee: Greening, Jr.; Robert M. (Portland, OR)
Primary Examiner: Apley; Richard J.
Assistant Examiner: Flaxman; H.
Attorney, Agent or Firm: Klarquist, Sparkman, Campbell, Leigh & Whinston
An exercise device including a pedal crank and a hand crank separately drivingly connected to a flywheel provided with a braking mechanism remotely controllable to vary the amount of braking, in response to operation of switches located on the hand crank in a location making removal of the hand from the hand crank unnecessary to operation of the switches. The switches also control selection of various displays of information concerning the exercise being performed. |
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DETAILED DESCRIPTION The present invention provides an exercise apparatus which overcomes the aforementioned shortcomings and disadvantages of the previously-available exercise devices, by providing an exercise apparatus including a pedal crank and a hand crank interconnected with one another and with a load so that the load can be driven optionally by either the pedal crank or the hand crank or by simultaneous effort applied to both the pedal crank and the hand crank.
The amount of frictional resistance provided by the apparatus is controllable automatically in response to closure of an electrical control switch or switches located on a handle of the hand crank, so that the amount of resistance can be changed without interruption of the exercise being performed.
In a preferred embodiment of the invention a frame carries a seat on which the user sits.
A pedal crank is located conveniently for being operated by the user's legs and feet, and a hand crank is mounted in an appropriate location for simultaneously being turned by hand.
A flywheel is mounted rotatably on the frame, and continuous belts or the like connect the cranks and the flywheel, so as to deliver power from the cranks to the flywheel.
A brake, including a brake band extending around the flywheel, is provided to resist rotation of the flywheel.
The amount of resistance provided by the brake is controllably variable under the control of a control unit responsive to operation of a pair of switches located on one of the hand crank handles.
The switches are located on the hand crank handle in position for being operated by the use of the operator's thumb while he continues to grasp the crank handle and operate the apparatus uninterrupted.
Appropriate sensors are provided to measure the amount of force applied through the belt between the hand crank and the flywheel, to observe the amount of rotation of the flywheel, and to observe the amount of tension applied to the brake band.
A heart rate sensor may optionally be connected with the control unit, in order to provide information to the control unit about the user's physiological response to the exercise being performed
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Exercise Devices 
