Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1992-07-31
1993-11-09
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
74 50, 123 56AC, F16H 2118
Patent
active
052592561
ABSTRACT:
A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle with a central aperture. The aperture has a pair of opposing gear racks protruding towards the center and which capture therebetween a pair of pinion sectors rotatably mounted to the crankpin of a rotatable crankshaft with the axis of crankshaft rotation perpendicular to the linear path of the shuttle. The pinion sectors are free to rotate about the crankpin and articulate independently of each other through a selected angular range. When the crankpin, including the pinion sectors, is inserted into the shuttle aperture with the pinion sectors engaging the racks, motion is transferable between the crankpin and the shuttle through the pinion sectors.
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Herrmann Allan D.
Laub David W.
Selitto, Jr. Ralph W.
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