Roller chain with randomized pitch

Details Roller chain with randomized pitch Roller chain with randomized pitch

1991-10-16

1993-03-09

Britts, Ramon S.

Endless belt power transmission systems or components

Positive drive belt

Belt formed of rigid links

474231, F16G 1310

Patent

active

051922525

ABSTRACT:
A roller chain is provided with sets of links constructed of unequal pitch n order to alter the pattern of contacts between the chain and the sprocket and the resulting noise spectrum. The varying pitch lengths through the chain are achieved by varying the length of the inside links or the lengths of the outside links. Alternatively, the sizes and configurations of the rollers or bushings are varied. Configurations can include circular rollers, elliptical rollers or triangular rollers. The pattern of variation of the pitch of the links is randomized throughout the chain.

REFERENCES:
patent: 697190 (1902-04-01), Aultman
patent: 2142003 (1938-12-01), Morgelin
patent: 3313578 (1967-04-01), Wright et al.
patent: 3931706 (1976-01-01), McKeon et al.
patent: 4117738 (1978-10-01), McKeon
patent: 4186617 (1980-02-01), Avramidis
patent: 4315750 (1982-02-01), Kawashima et al.
patent: 4344761 (1982-08-01), Steuer
patent: 4650445 (1987-03-01), Mott
patent: 5092822 (1992-03-01), Wakabayashi

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