US PATENT SUBCLASS 280 / 455-- .~.~.~.~.~ Resilient keeper

US PATENT SUBCLASS 280 / 455
.~.~.~.~.~ Resilient keeper

Current as of: June, 1999
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280 /	HD	LAND VEHICLES

29	DF	WHEELED {21}
400	DF	.~ Articulated vehicle {30}
446.1	DF	.~.~ Condition responsive connections {4}
449	DF	.~.~.~ Overload release {3}
452	DF	.~.~.~.~ Pivoted jaw or hook {3}
455		.~.~.~.~.~ Resilient keeper

DEFINITION

Classification: 280/455

(under subclass 452) Devices in which the hook or jaw is held in the coupled or retaining position by a resiliently biased

member and under overload condition overcomes the resilient bias and swings clear and free of the member to release the complementary coupling element.

SEE OR SEARCH CLASS

172, Earth Working,

264+, for an earth working apparatus comprising a tool shifted upon the occurrence of an overload and a spring return device, and subclass 269 for an earth working apparatus comprising a tool shifted upon the occurrence of an overload and a resilient latch.