Patent · US Active

Locking-unlocking structure for stopping lifting body, which is lifted and fallen through repetition of pushing actions, in lifting state and for releasing stopping state of lifting body

US9863575B2 · kind B2 · utility

1Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2016
Grant dateJan 9, 2018
Priority date
Expiry dateApr 28, 2036

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16M2200/028
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A locking-unlocking structure for stopping a lifting body, which is vertically lifted and falls through repetition of a pushing action, in a lifting state and for releasing a stopping state of the lifting body is provided. The locking-unlocking structure includes a lifting body, which is exactly lifted immediately upward, or falls without being fluctuated left and right and, to control lifting and falling operations of the lifting body, an actuation unit is mounted in the lifting body movably left and right, and an actuation guide unit, which guides an operation of the actuation unit, is fixedly mounted in a fixing body, and the lifting body is provided therein with a rotation groove allowing the actuation unit to be movable left and right when the lifting body is lifted or falls, and a rotation shaft rotatably coupled to the rotation groove is provided at one side of a lifting plate. The lifting plate is provided on a lower end of an opposite side thereof with a stop protrusion circulating a lifting line and a falling line branching left and right. The actuation guide unit, which is configured to guide an operation of the actuation unit, includes the lifting line having a rising c…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.