192 clutches and power-stop control – Clutches – Automatic
Patent
1999-10-11
2000-11-07
Lorence, Richard M.
192 clutches and power-stop control
Clutches
Automatic
192 44, 192 843, F16D 4106
Patent
active
061422770
ABSTRACT:
Socket-type wrenches using a magnetic ratchet/clutch-type apparatus are disclosed. The apparatus preferably employs several pawls, as well as a ratchet-type wheel for engaging the pawls. The apparatus also utilizes the wrench's body which defines a chamber in which the wheel is received for rotation relative to the wrench body. The chamber also defines pockets for positioning the pawls adjacent the wheel to facilitate their movement between a drive position and a release position. In the drive position, at least one pawl is sandwiched between the wheel and a wall of the pocket to prevent the wrench body and the wheel from rotating relative to each other which enables a drive stroke to be made with the wrench. In the release position, the pawl is disengaged from the wheel which permits one to make a return stroke with the wrench. The apparatus further includes a ring magnet mounted on at least one side of the wheel for magnetically attracting the pawls to facilitate their movement into the drive position. Finally, the apparatus includes abutments which are utilized during the return stroke of the wrench to move the pawls out of engagement with the wheel.
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Barnett Franklin E.
Smith Brian D.
Lorence Richard M.
Smith Brian D.
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