Patent · US Active

Descent control device

US9993667B2 · kind B2 · utility

0Cited by
19References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 1, 2016
Grant dateJun 12, 2018
Priority date
Expiry dateDec 1, 2036

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H19/06
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A descent control device includes a gear train, a speed-control mechanism, a first fastening plate, a second fastening plate and a third fastening plate.

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