192 clutches and power-stop control – Elements – Shafts – bearings – and adjusting devices
Patent
1995-09-20
1997-04-29
Pitts, Andrea L.
192 clutches and power-stop control
Elements
Shafts, bearings, and adjusting devices
192 18A, 403358, F16D 6704, F16D 108
Patent
active
056240163
ABSTRACT:
Apparatus (300) is disclosed for locking a key (322) in a keyway (302) of a shaft (10) and of a hub slideably receiving the shaft (10). The key (322) is tapered and includes a top extending at an acute angle to the bottom, with the keyway (302) of the shaft (10) having a bottom wall (306) at the acute angle to the axis of the shaft (10). A push rod (312) is rotatable in an axial bore (308) in the shaft (10) and includes a threaded portion (318) threaded into a threaded counterbore (310) of the axial bore (308). The forward end of the push rod (312) is interconnected to the key (322) by a lip (336) formed in the key (322) extending into a notch (316) formed in the push rod (312). Rotation of the push rod (312) causes the push rod (312) to move axially in the axial bore (308) which in turn axially moves the key (322) in the keyway (302). Due to the angles of the key (322) and the keyway (302), the radial spacing of the top (330) of the key (322) from the axis of the shaft (10) varies depending upon the axial position of the key (322) in the keyway (302).
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PowerFlo ECB Clutch/Brake, The Carlson Company, Inc., 6045 North Broadway, Box 2822, Wichita, Kansas.
Coulter Tonya L.
Hennessy David R.
Horton, Inc.
Pitts Andrea L.
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