Antivibration device for mounting between a motor unit and a han

Details Antivibration device for mounting between a motor unit and a han Antivibration device for mounting between a motor unit and a han

1996-08-09

1997-12-23

Smith, Scott A.

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

Handle type holder

30381, 30383, 267137, 267153, 267269, B25D 1700, F16F 136

Patent

active

056998651

ABSTRACT:
The invention relates to an antivibration device between a motor unit 2 and a handle unit 9 of a portable handheld motor-driven chain saw 1. The antivibration device includes a sleeve-shaped elastic base body 6 having one of its ends 36 in a receptacle 20 of the motor unit 2 and the other end 46 in a receptacle 90 of the handle unit 9. The ends (36, 46) of the base body are fixed in the receptacles (20, 90) by axially engaging plugs (31, 41) in the end sections (30, 40). The guiding characteristics of the motor-driven chain saw are not affected by base bodies which become damaged or soft. This is so because at least one of the stops 31 has a coupling member 50 which bridges an axial spacing (z) between the plugs (31, 41) and projects into the other plug 41 and is latched so that it cannot be axially separated therefrom. A mechanical connection remains between the handle unit and the motor unit when the base body tears off.

REFERENCES:
patent: 3845557 (1974-11-01), Bailey
patent: 3911580 (1975-10-01), Bailey
patent: 3972119 (1976-08-01), Bailey
patent: 4138812 (1979-02-01), Zimmerer et al.
patent: 5046566 (1991-09-01), Dorner et al.
patent: 5445365 (1995-08-01), Forderer
patent: 5522466 (1996-06-01), Harada et al.

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