Reciprocating stroke length adjustment device and method

Details Reciprocating stroke length adjustment device and method Reciprocating stroke length adjustment device and method

F - Mech Eng,Light,Heat,Weapons

16

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74/65

F16H 25/12 (2006.01) F04B 49/12 (2006.01) F16C 7/06 (2006.01) F16D 55/00 (2006.01) F16D 65/14 (2006.01) F16H 21/20 (2006.01)

Patent

CA 1116438

CASE 4740 AB RECIPROCATING STROKE LENGTH ADJUSTMENT DEVICE AND METHOD ABSTRACT OF THE DISCLOSURE The adjustment screw that regulates the stroke length of the piston that drives a diaphragm pump is rotated by means of a clutch and "diamond-back" screw structure. By selectively engaging either of two oppositely oriented one- way clutches, one of two respective associated nuts that ordinarily rotate freely on the diamond-back screw is blocked from rotation when the screw moves longitudinally in one direction. Thus locked, the nut compels the diamond-back screw to rotate, thereby turning the, adjustment screw with which it is connected in order to produce the desired increase in piston stroke length.

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