Unbalance vibrator

Details Unbalance vibrator Unbalance vibrator

1982-12-30

1985-05-07

Dorner, Kenneth J.

Machine element or mechanism

Mechanical movements

Rotary to gyratory

74 61, 74573R, 192105A, F16H 3308

Patent

active

045150273

ABSTRACT:
An unbalance vibrator having a shaft 2, with a flyweight 3 rigidly connected thereto, which shaft 2 is mounted in a bearing housing 1, comprises on both sides of this connecting flyweight movable flyweights 5 with flyweight bodies 6 nearly semicircular in cross section and guiding rings 7 nearly semicircular in cross section. The shaft 2 comprises a radial bore on diametrically opposite sides, into which a dog 8 is screwed, and a blind bore 11, into which a locking member 12 is retracted by action of a spring 17. The radial bore 3 and the blind bore 11 are angularly spaced by 90.degree. with respect to the center plane of the flyweight 3 rigidly connected. When the shaft 2 is rotating, the locking member 12 extends from the blind bore 11, such that the movable flyweights 5 are held between the dogs 8 and the locking members 12. The locking members 12 are subjected to hysteresis and are retracted at a rotary speed, which is lower than the loading rotary speed.

REFERENCES:
patent: 2240649 (1941-05-01), Henschel
patent: 2673651 (1954-03-01), Plant
patent: 2860783 (1958-11-01), Johnson
patent: 3598029 (1971-08-01), Paramythioti
patent: 4121472 (1978-10-01), Vural et al.
patent: 4236417 (1980-12-01), Riedl
patent: 4262549 (1981-04-01), Schwellenbach
patent: 4353261 (1982-10-01), Salani

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