Locking collar for power take-off mounted shafts

Details Locking collar for power take-off mounted shafts Locking collar for power take-off mounted shafts

1978-11-20

1980-01-29

Shedd, Wayne L.

Joints and connections

Interfitted members

Longitudinally splined or fluted rod

403362, B25G 328

Patent

active

041859383

ABSTRACT:
A locking collar for releasably coupling together splined shafts and wherein the mating splined shafts include telescoping inner shaft and outer housing portions. The locking means includes a locking collar with a pair of radially spaced bores extending through the wall of the locking collar, with the bores being threaded. The housing portion of the splined shaft is provided with a threaded bore which extends in continuation with at least one of those in the locking collar. The inner diameter of the locking collar exceeds the outer diameter of the housing portion of the splined shaft by about one-and-a-half times the pitch of the threads of the bore formed in the housing portion. The arrangement is such that when a set screw is disposed within the bores having the common axis, and with the set screw making contact with the surface of the shaft portion of the splined shaft, the force of a second screw disposed in the second collar bore making contact with the outer surface of the housing sets up a resultant stress in the collar which displaces the axis of the collar bore from that of the housing bore, and further cams the first set screw tightly against the outer surface of the splined shaft.

REFERENCES:
patent: 2102375 (1937-12-01), Morton
patent: 2136819 (1938-11-01), Large
patent: 2504501 (1950-04-01), Conn
patent: 3010333 (1961-11-01), Rampe
patent: 3463520 (1969-08-01), Turro
patent: 3507508 (1970-04-01), Andrews

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