192 clutches and power-stop control – Clutches – Automatic
Patent
1993-10-12
1997-02-18
Pitts, Andrea L.
192 clutches and power-stop control
Clutches
Automatic
81 62, 81 631, 74553, 16DIG30, F16D 4116
Patent
active
056033931
ABSTRACT:
A ratchet head assembly has a reversing knob with a metal shaft coupled to the pawl assembly of the ratchet mechanism and an enlarged-diameter plastic head insert molded around the outer end of the shaft and having a diameter two to three times that of the shaft and a density no greater than about one-fifth that of the shaft. Thus, the reversing knob has a low inertia so that it is not susceptible to self-reversing or self-locking during operation of the ratchet mechanism.
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Snap-on Tools Catalog, p. 206 (1993).
Polaroid photographs and parts list of Bluepint Ratchet, Model No. AT700C.
Brochure for Ingersoll-Rand Reactionless Ratchet, Model No. 110 (1988).
Article by J. Robert Merhar, copyright by Penton/IPC, Inc. (1984).
Ghode Anil P.
Scolaro Martin S.
Pitts Andrea L.
Snap-on Technologies, Inc.
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