192 clutches and power-stop control – Elements – Wear compensators
Patent
1975-11-03
1977-02-08
Scott, Samuel
192 clutches and power-stop control
Elements
Wear compensators
192 56R, F16D 356
Patent
active
040066088
ABSTRACT:
A torque limiting device engageable with and between a rotating power shaft and piece of work to be torqued, including a drive section connected with the power shaft and having a plurality of circumferentially spaced sockets, a driven plate with through openings normally registering with said sockets, drive balls normally engaged in and extending between the said openings and sockets, an elongate torque shaft with one end coupled with the plate and its other end connected with said work, a keeper plate overlaying the said openings in the driven plate to hold the balls engaged in said openings and sockets and having pockets normally circumferentially offset from said openings, a body, means connecting the body in predetermined rotative position with the torque shaft, spring means normally yieldingly maintaining the keeper plate in normal rotative position relative with the body, said pockets being circumferentially offset from said openings a distance equal to the circumferential deflection of the torque shaft upon the conducting of predetermined torque therethrough, said balls moving through the openings, from engagement in the sockets and into engagement in the pockets when said torque is applied and thereby breaking drive between the driven and keeper plates.
REFERENCES:
patent: 3080029 (1963-03-01), Stober
patent: 3185275 (1965-05-01), Orwin
patent: 3491839 (1970-01-01), McIntire
patent: 3722644 (1973-03-01), Steinhagen
Consolidated Devices Inc.
Heald Randall
Maxwell Georges A.
Scott Samuel
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