Vibration damping device

Details Vibration damping device Vibration damping device

1989-09-28

1991-08-13

Yost, Frank T.

Cutlery

Cutting tools

Saw

1731622, B27B 1702

Patent

active

050384805

ABSTRACT:
Damping device for a vibration damping system in chain saws having an adjustment spring characteristic for various applications. The element (10) according to the invention is an elongated elastomer element attached in the middle of a handle part and fastened at one end to the driving side of the crankcase. The second end enters into a cylindrical cavity (20) formed in the crankcase wall supporting the start apparatus, said cavity having a larger diameter than the element. In that way the characteristic of the element is primarily determined by the end fastened to the driving side but gradually, when the load on the element increases, also by the end entered into the cavity.

REFERENCES:
patent: 3813776 (1974-06-01), Frederickson et al.
patent: 3845557 (1974-11-01), Bailey
patent: 4324045 (1982-04-01), Hoppner et al.
patent: 4694578 (1987-09-01), Kemmler
patent: 4896426 (1990-01-01), Nagashima

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