Fluid pressure impulse nut runner

Details Fluid pressure impulse nut runner Fluid pressure impulse nut runner

1988-08-22

1989-06-06

Yost, Frank T.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

81463, 464 25, B25D 1500

Patent

active

048362964

ABSTRACT:
An impulse unit (10) is disclosed which provides for a symmetric transfer of torque between a case (16) and spindle (18) selectively for one or two impulses for each relative rotation between the case and spindle. A pair of cylindrical rollers (84, 86) is provided to isolate two symmetric chambers between the case and spindle to transfer torque therebetween. The use of cylindrical rollers reduces the overall wear in the tool, improves oil sealing capability during long time use, and reduces the cost of manufacture.

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Instruction and Parts Book, Impulse tools, Chicago Pneumatic, CP-5435, Jan. 1985, "Acra-Pulse Impulse tools", brochure, 6-3-86.
"LTV 46 Angle Nut Runner", brochure Boulonneuse Mutterdragane Schromber Impulse Tools Instruction Manuals.

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