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Removable crank arm for exercise cycle

a crank arm and exercise cycle technology, applied in the field of exercise bicycles, can solve the problems of restricting the movement of users with arthritis, the range of movement of the legs and knees of users who are suffering from arthritis may not be sufficient to completely rotate the pedal arm to which the pedals are attached, and the difficulty in teaching an exercise bicycle which may be easily adjusted or modified to allow a reduced path of motion

Inactive Publication Date: 2006-01-26
CAIRD ROBERT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Arthritic users are restricted in movement and the more prevalent the arthritis in the user, the more restrictive is the movement.
While exercise is known to be beneficial for sufferers of arthritis, and while the movement of the pedals of an exercise bicycle is particularly advantageous because of the absence of shocks and impact to the user, the range of movement of the legs and knees of a user who is suffering from arthritis may not be sufficient to completely rotate the pedal arm to which the pedals are attached.
The prior art, however, does not teach an exercise bicycle which may be easily adjusted or modified to allow a reduced path of motion of a pedal for users who may lack the ability to participate in the full range of motion such as those arthritic users aforementioned.

Method used

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  • Removable crank arm for exercise cycle
  • Removable crank arm for exercise cycle
  • Removable crank arm for exercise cycle

Examples

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Embodiment Construction

[0016] Referring now to the drawings, an exercise bicycle according to the invention is generally illustrated at 100 in FIG. 1. It is of the type usually used in recreational and fitness centers and includes a seat 101 for a user, a read out device 102 and a frame 103 sed to enclose and support the movement of a rotating pedal 104 which is attached to a rotating crank arm 110.

[0017] Rotating crank arm 110 is connected to a pedal arm 111 (FIG. 2) in a manner to be described and rotates about a crank arm axis 112. The pedal arm 111 comprises two well defined portions, namely a first generally horizontal axle section portion 200 and a second generally vertically extending pedal arm section 115 (FIG. 6B). The crank arm 110 includes a plurality of attachment holes 113 which allow the pedal 104 to be connected to the crank arm 110 at various distances from the axis 112. The pedal 104 may have a heel cup 114 and a toe strap 120 which will allow the foot or shoe of the user to be securely ...

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PUM

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Abstract

A pedal for an exercise bicycle which can be located at various distances from the axis of rotation of a crank arm to which the pedal is attached. The crank arm is removable and is connected to the vertical portion of the pedal arm of the exercise bicycle. The crank arm rotates about the axis of rotation of the pedal arm and a pedal is mounted to the crank arm at a distance which is adjustable depending upon the degree of movement of the limb of a user. The pedal arm need not be removed from the exercise bicycle.

Description

[0001] This invention relates to a removable crank arm for an exercise bicycle and, more particularly, to a removable crank arm for an exercise bicycle which allows adjustable mounting of a pedal to the crank arm in order to provide greater or lesser movement of the limbs of a user. BACKGROUND OF THE INVENTION [0002] Exercise bicycles are, of course, well known. They are provided usually for fitness or training purposes. Because the pedal on which the user rests his foot moves in a circular path, impact blows to the user are avoided which is desirable to prevent aches and sprains to the joints and muscles. Such exercise bicycles are particularly useful for the elderly or for rehabilitation purposes. [0003] Arthritic users are restricted in movement and the more prevalent the arthritis in the user, the more restrictive is the movement. While exercise is known to be beneficial for sufferers of arthritis, and while the movement of the pedals of an exercise bicycle is particularly advan...

Claims

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Application Information

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IPC IPC(8): A63B22/06A63B69/16
CPCA63B2022/0623A63B2022/0652A63B22/0605A63B22/0046
Inventor CAIRD, ROBERT
Owner CAIRD ROBERT