Variable speed drive unit

Details Variable speed drive unit Variable speed drive unit

1979-04-20

1981-06-09

Husar, C. J.

Machine element or mechanism

Mechanical movements

Oscillation or reciprocation to intermittent unidirectional...

280251, F16H 2702

Patent

active

042717124

ABSTRACT:
An elongate flexible power transmission member, stationarily affixed at one end and secured to tension biasing means at the other end, is engaged with a unidirectional drive mechanism. Reciprocating power input means angularly deflect a section of the power transmission means, causing reciprocal movement of the power transmission means and urging rotation of the unidirectional drive mechanism. The drive ratio between the length of the stroke of the reciprocating power input means and the degree of rotation of the unidirectional drive mechanism is controlled by a pair of extendibly and retractably movable guides engaged with the power transmission member for determining the section thereof subject to angular deflection.

REFERENCES:
patent: 494203 (1893-03-01), Herrington
patent: 584200 (1897-06-01), Wheatley
patent: 595661 (1897-12-01), Smith
patent: 643647 (1900-02-01), Harmon
patent: 651021 (1900-06-01), Silvey
patent: 837815 (1906-12-01), Esch
patent: 914926 (1909-03-01), Comfort
patent: 949951 (1910-02-01), Zieg
patent: 3375023 (1968-03-01), Cox
patent: 3661404 (1972-05-01), Bossaer
patent: 3760905 (1973-09-01), Dower
patent: 3834733 (1974-09-01), Harris
patent: 4019230 (1977-04-01), Pollard

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