Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1974-10-15
1976-03-23
Skudy, R.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
310 81, 259DIG42, F16H 3300
Patent
active
039452590
ABSTRACT:
A motor of a vibration generator has a rotary output shaft whose revolutions are variable and include a range of revolutions having a lower and an upper limit. A first element constitutes a first imbalanced mass and is fixedly mounted on the output shaft for rotation with the same. A second C-shaped element constitutes a second imbalanced mass and straddles the first element and the output shaft, being displaceable relative thereto under the influence of centrifugal force in direction substantially radially outwardly away from the shaft to a series of positions in each of which the generator produces usable vibrations of a different magnitude. Elastomeric bodies are interposed between and connect the first and second elements with one another, serving to yieldably restrain the second element against displacement to the positions of the aforementioned series while the revolutions of the output shaft are below the lower limit of the range of revolutions.
REFERENCES:
patent: 1885575 (1932-11-01), Blanks
patent: 2198872 (1940-04-01), Hegstrom
patent: 2892108 (1959-06-01), Moxley
patent: 2972688 (1961-02-01), Mahlfeldt
patent: 3396294 (1968-08-01), Makino
patent: 3672355 (1972-06-01), Ogawa
patent: 3792617 (1974-02-01), Strasser
Frauhammer Karl
Stahle Eugen
Robert & Bosch GmbH
Skudy R.
Striker Michael J.
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