Machine element or mechanism – Elements – Cranks and pedals
Patent
1998-05-01
1999-12-21
Hannnon, Thomas R.
Machine element or mechanism
Elements
Cranks and pedals
482 57, G06B 114, A63B 2206
Patent
active
060034084
ABSTRACT:
A pedal includes a shaft housing having a rotatable shaft coaxially within that is connectable to a crank. A vertical axis pivot base with a vertical axis insert housing extends orthogonally between opposite ends of the shaft housing. The vertical axis pivot base serves as a foundation for a pivot support frame. The pivot support frame can rotate on the vertical axis pivot base for toe-in and toe-out pivoting. The pivot support frame also facilitates longitudinal/heel-to-toe axis pivoting for inversion and eversion motion of pedal. A pedal frame is attached to the pivot support frame by inserting longitudinal axis shoulder screws through holes drilled on opposite sides of the pedal frame into longitudinal axis insert housings. Cushioning pads between the pivot support frame and the pedal frame are used to supplement muscular action in maintaining the desired angle of inversion or eversion. Vertical axis cushion pads are inserted between vertical axis pivot stops and the shaft housing to supplement muscular action in maintaining the desired angle of toe-in or toe-out pivoting.
REFERENCES:
patent: 4599915 (1986-07-01), Hlavac
patent: 4973046 (1990-11-01), Maxwell
patent: 5142938 (1992-08-01), Sampson
patent: 5251508 (1993-10-01), Robbins
patent: 5449332 (1995-08-01), Hervig
Hannnon Thomas R.
Stallma Brandon C.
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