US PATENT SUBCLASS 192 / 54.1
.~ Torque responsive

Current as of: June, 1999
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192 /   HD   CLUTCHES AND POWER-STOP CONTROL

30 R  DF  CLUTCHES {15}
54.1.~ Torque responsive {7}
54.2  DF  .~.~> Hub clutch
54.5  DF  .~.~> Cam operated {2}
55.1  DF  .~.~> With overload release coupling
55.2  DF  .~.~> With flexible shaft coupling permitting limited relative rotation {1}
56.1  DF  .~.~> Overload release {5}
54.3  DF  .~.~> Fluid operated
54.4  DF  .~.~> Magnetic or electromagnetic

DEFINITION

Classification: 192/54.1

Torque responsive:

(under subclass 30) Subject matter wherein the transmission of torque from a clutch input shaft to a clutch output shaft is affected by the torsional strain on one of the shafts.

(1) Note.Class 464, in subclasses 30+, has overload release couplings wherein relative rotation between coupled members continues so long as an overload condition occurs. The line between Class 464, subclasses 30+, and Class 192, subclasses 56.1+, is that Class 464 takes structure wherein relatively rotatable surfaces move with respect to each other during an overload condition; but drive through such surfaces is automatically reestablished, without an additional operation, upon correction of the overload condition. Class 192, subclasses 56.1+, requires a further operation, in addition to correcting the overload condition, to reestablish the drive; such further operation being, for example, operator assisted reengagement or reduction in rotational speed of a power input member.