Bicycle chain structure

Details Bicycle chain structure Bicycle chain structure

1985-06-26

1986-02-18

Leppink, James A.

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

384279, F16G 1302

Patent

active

045712280

ABSTRACT:
Bicycle chain is made of alternating bushing links and pin links. The bushing links have parallel bushings held in interference fit in bushing plates and extended axially beyond the bushing plates, solid metal rolls with a lubricating plating are held loosely on the bushings, and loosely between the bushing plates. The bushings extend axially outward beyond the bushing plates for substantial distances. Pins extend through the bushings and are fixed in pin plates to form pin links which alternate with the bushing links. The pin plates are held outward from the bushing plates for a substantial amount by the axial bushing extensions to prevent dirt build up. The pin plates, bushing plates and bushings are plated with an anti-corrosion plating. The pins and rolls are plated with a porous metal plating with solid polymeric lubricant held within pores of the plating for lubricating the pin-bushing interior interface and for lubricating the roll-bushing and roll-bushing plate interfaces.

REFERENCES:
patent: 1945357 (1934-01-01), Pierce
patent: 3369924 (1968-02-01), Duggins et al.

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