미국특허등록 | QUICK JOINT OF FRONT LOADER

미국특허등록 | QUICK JOINT OF FRONT LOADER

미국특허출원 제16/509,510호 (출원인 : 2019년 7월 12일)

미국특허등록 제11,242,668호 (등록일 : 2022년 2월 8일)

발명의 요약 (Abstract) : A quick joint of a front loader, the quick joint includes: a coupling member (30) having a hook shape and pivotally connected to a first pivot point (P1) of a boom post (20) through a first pivot shaft (31); a spring member (32) for applying an elastic force in a direction of releasing the coupling member (30) from a coupling target shaft (14) disposed on a boom post support (10) which is attached to a tractor (1); a lock unit (34) having a part making contact with the coupling member (30), and provided with a lock pin (36) for restraining behavior of the coupling member (30) at a coupling position (A1); and a guide slot (38) having an arc shape and formed in the boom post (20) to define a moving path of the lock pin (36) when the lock unit (34) rotates.

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