Coupling hook for a three-point attachment of a tractor

Details Coupling hook for a three-point attachment of a tractor Coupling hook for a three-point attachment of a tractor

B - Operations, Transporting

60

D

280/152

B60D 1/04 (2006.01) A01B 59/00 (2006.01)

Patent

CA 1056871

COUPLING HOOK FOR A THREE-POINT ATTACHMENT OF A TRACTOR Abstract of the Disclosure A coupling hook has a latch element extending from a pocket through a passage to block a coupling pin in the hook opening in the locked position. The latch element is arcuate and has opposed curvilinear surfaces one of which is engageable with a fulcrum in the vicinity of an opening in the pocket through which an actuating lever of the latch element extends. The other curvilinear surface is engageable with a fulcrum in the vicinity of the passage and has a notch engageable with a bolt in the pocket in the locked position of the latch element. The latch element may be displaced to a release position either by lifting and then pulling the actuating lever or by a coupling pin engaging the curved end of the latch element to urge the latch element to a released position. -1-

276955

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