Machine element or mechanism – Elements – Cranks and pedals
Patent
1991-09-20
1993-05-04
Chilcot, Jr., Richard E.
Machine element or mechanism
Elements
Cranks and pedals
745944, 384474, 384558, G05G 114
Patent
active
052071189
ABSTRACT:
An improved pedal shaft core is characterized in that the contact surfaces of both shaft core and shaft bearing are designed to be oblique and conical to enable the bearing to comprise roller nest bearing and a casing of circular and conical arc so as to enhance the rotational stability of the pedal shaft core. The toothed cup of the shaft core comprises grease filling apparatus of an inclined type located on the external surface of one end thereof. The improved pedal shaft core further comprises of a pair of W-shaped non-return washers of waterproof and oil-proof nature.
REFERENCES:
patent: 747895 (1903-12-01), Schumacher
patent: 2659637 (1953-11-01), Barr
patent: 2990223 (1961-06-01), Best
patent: 3937539 (1976-02-01), Jones et al.
patent: 4010987 (1977-03-01), Jasperse et al.
patent: 4129343 (1978-12-01), Janssen
patent: 4172620 (1979-10-01), Marti
patent: 4883368 (1989-11-01), Stein
patent: 5024121 (1991-06-01), Hsieh
Chilcot Jr. Richard E.
Yip Winnie
LandOfFree
Pedal shaft core does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pedal shaft core, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pedal shaft core will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1968095