Jointed weight for a vibratory apparatus

Details Jointed weight for a vibratory apparatus Jointed weight for a vibratory apparatus

1995-02-13

1997-09-16

Marmor, Charles A.

Machine element or mechanism

Mechanical movements

Rotary to gyratory

74 61, 198770, 2093665, 366128, F16H 3314

Patent

active

056668520

ABSTRACT:
A counterweight is freely pivoted on a rotatably driven unbalanced eccentric weight member such that at start up the counterweight does not add materially to the unbalance created by the eccentric weight member and such that as the motor attains operating speed the freely pivoted counterweight is slung outward relative to the eccentric weight member thus adding unbalance to the eccentric weight member and increasing the vibratory forces generated by the apparatus.

REFERENCES:
patent: 2418982 (1947-04-01), O'Connor
patent: 2636719 (1953-04-01), O'Connor
patent: 3407670 (1968-10-01), Venanzetti
patent: 4025419 (1977-05-01), Musschoot
patent: 4580456 (1986-04-01), Takano
Marks' Standard Handbook for Mechanical Engineers, 8th Ed., .COPYRGT.1978, pp. 5-72, Figures 11 & 12.

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