Tensioner

Details Tensioner Tensioner

1988-09-30

1990-05-15

Massie, IV, Jerome W.

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

474111, 474138, 188313, F16H 708

Patent

active

049254367

ABSTRACT:
For preventing very small amplitude vibrations of the rod in a tensioner during high speed movement of a belt to be tensioned by the tensioner, a tube which is connected to a plunger which moves together with the rod is overlapped with a stationary member so as to define an annular clearance therebetween in an operating chamber of the tensioner. By filling an operating fluid in the clearance, shear strain is generated upon high speed movement of the plunger, which resists movement of the plunger.

REFERENCES:
patent: 1539323 (1925-05-01), Neubert et al.
patent: 3891199 (1975-06-01), Willich et al.
patent: 4539001 (1985-09-01), Okabe
patent: 4702726 (1987-10-01), Ojima et al.
patent: 4826470 (1989-05-01), Breon et al.

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