Vibration insulation device for handle of vibratory machine

Details Vibration insulation device for handle of vibratory machine Vibration insulation device for handle of vibratory machine

1978-12-13

1981-08-11

Feldbaum, Ronald

Tool driving or impacting

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

E21B 300

Patent

active

042829380

ABSTRACT:
A vibration insulation device for a handle of vibratory machine, which is characterized by comprising: a spring K adapted to be displaced in the direction of unidirectional vibration transmitted to the handle, and a dynamic vibration absorber consisting of a cantilevered spring Kd, a magnetic damper cd and a conductive weight plate md provided in the section m to be insulated.
In case the vibration is directional, i.e. when the vibration is caused in X and Y directions, the above described unit consisting of the spring K and the dynamic vibration absorber is disposed for respective directions of vibration.

REFERENCES:
patent: 3845827 (1974-11-01), Schulin
patent: 3945119 (1976-03-01), Nagashima et al.

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