Machine element or mechanism – Mechanical movements – Reciprocating to or from oscillating
Patent
1989-06-07
1990-06-19
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Reciprocating to or from oscillating
72402, 72410, 74105, 74567, 74569, 269196, 269229, F16H 2518, B21D 908, B26F 136
Patent
active
049342045
ABSTRACT:
A new compact linkage for translating rotary input force to amplified linear output force includes two force applying members which move apart relatively during operation of the linkage. A strut is pivotally attached at one end to each of the force applying members; the struts extend towards each other with a space between their free ends. Each strut has a bearing surface at its free end. A cam-roll member is interposed between the bearing surfaces of the struts and includes cam surfaces in contact with the bearing surfaces. When the cam-roll member is rotated by a lever attached thereto, it translates the rotary input force from the lever into linear output force by a rolling action of the cam-roll member against the bearing surfaces of the pivoted struts. The linkage is markedly more efficient in force translation and transmission than pivoting toggle linkages typical of the prior art.
REFERENCES:
patent: 1514054 (1924-11-01), Lancia
patent: 1875736 (1932-09-01), Johnson
patent: 2985047 (1961-05-01), Van Oort
patent: 3469660 (1969-09-01), Mathers
patent: 4561282 (1985-12-01), Hadden, Sr.
Herrmann Allan D.
Long Charles J.
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