Eccentric crank with continuously adjustable throw

Details Eccentric crank with continuously adjustable throw Eccentric crank with continuously adjustable throw

1998-06-17

2000-08-22

Fenstermacher, David M.

Machine element or mechanism

Mechanical movements

Rotary to or from reciprocating or oscillating

74117, 74571R, 74835, F16H 2116

Patent

active

06105447&

ABSTRACT:
The invention provides an eccentric wherein the amplitude of reciprocation, or throw, is continuously variable, during operation, from zero to a maximum. This represents an improvement over adjustable eccentric devices in the prior art insofar as the conventional devices needed to be shut down and physically reconfigured to adjust the throw of the reciprocating arm. The invention will be of use in many functions, including precision farming applications.

REFERENCES:
patent: 4249424 (1981-02-01), Glazier
patent: 4682532 (1987-07-01), Erlandson
patent: 4858815 (1989-08-01), Roberts et al.
patent: 5261294 (1993-11-01), Ticer et al.

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