Driver with external torque value indicator integrated with...

Details Driver with external torque value indicator integrated with... Driver with external torque value indicator integrated with...

2007-09-11

2009-08-25

Rada, Rinaldi I. (Department: 3721)

Tool driving or impacting

Processes

C173S164000, C173S176000, C173S180000, C173S020000

Reexamination Certificate

active

07578357

ABSTRACT:
A power tool generally includes a housing and a motor assembly connected to a transmission assembly. The motor assembly and the transmission assembly are secured against rotation in the housing. A plurality of protrusions extends from a component of the transmission assembly. The power tool further includes an output spindle and a spindle lock assembly that connects the output spindle to the transmission assembly. The spindle lock assembly includes an anvil, an outer ring member and a plurality of roller members. The roller members and the protrusions are disposed between the anvil and the outer ring member. An indicator member extends from the outer ring member. A compliant member connects the outer ring member to an interior portion of the housing. A scale is connected to an exterior portion of the housing, wherein the indicator member moves relative to the scale to indicate a value of torque at the output spindle.

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