Eccentric drive mechanism
First Claim
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1. A drive mechanism for a body possessing a predetermined weight and positioned relative a supporting surface comprising:
- a. motor means for rotating an output shaft;
b. an eccentric weight connected to said rotating output shaft for rotation therewith;
c. a base weight, said eccentric weight being linked to said base weight and transmitting a oscillational motion along a dimension of said base weight; and
d. spring means for imparting oscillational motion to the body, said spring means being connected to and extending from said base weight and the body.
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Abstract
A drive mechanism for a body utilizing a motor which rotates a shaft. An eccentric weight is mounted on the shaft for movement with the same. The eccentric weight is linked to a base weight and transmits an oscillational motion along a dimension of the base weight. A torsion spring fixed to the counter weight extends away from the base weight and connects to the body to impart an oscillational torsional motion thereto.
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Citations
21 Claims
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1. A drive mechanism for a body possessing a predetermined weight and positioned relative a supporting surface comprising:
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a. motor means for rotating an output shaft; b. an eccentric weight connected to said rotating output shaft for rotation therewith; c. a base weight, said eccentric weight being linked to said base weight and transmitting a oscillational motion along a dimension of said base weight; and d. spring means for imparting oscillational motion to the body, said spring means being connected to and extending from said base weight and the body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A drive mechanism for a body possessing a predetermined weight and positioned relative to a supporting surface, comprising:
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a. a base weight; b. a spring element connected to said base weight and the body to form a spring-mass unit; c. motor means for rotating an output shaft, said output shaft being linked to said spring-mass unit; and d. an eccentric weight connected to said rotating output shaft for rotation therewith, said eccentric weight transmitting an oscillational motion to said spring-mass unit to provide an oscillational motion on the body. - View Dependent Claims (20, 21)
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Specification