Title:
BRAKE DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/255735
Kind Code:
A1
Abstract:
[Problem] To enable effective braking of a rope. [Solution] This brake device is provided with: a friction member surrounding a rope; and a hook for applying tension to the friction member in the longitudinal direction of the rope. The friction member is biased so as to be in pressure contact with the rope when the tension is applied thereto. The friction member is a member stretchable/contractible in the longitudinal direction of the rope, and is made of, for example, a resin or a metal. In addition, in another embodiment, the brake device is provided with: a friction member surrounding a rope; an upper cylindrical member provided on the upper end of the friction member; and a lower cylindrical member provided to the lower end of the friction member, wherein the friction member is biased so as to be in pressure contact with the rope when the tension is applied to the friction member, and is a member stretchable/contractible in the longitudinal direction of the rope.
Inventors:
MISAKI NOBORU (JP)
Application Number:
PCT/JP2020/022150
Publication Date:
December 24, 2020
Filing Date:
June 04, 2020
Export Citation:
Assignee:
MARUICHI CO LTD (JP)
International Classes:
A62B1/14; F16D49/02; F16D63/00
Foreign References:
| US20110315480A1 | 2011-12-29 | |||
| JPS5419885U | 1979-02-08 | |||
| DE3531200A1 | 1986-05-22 | |||
| JPS59130748U | 1984-09-01 | |||
| CA2216216A1 | 1999-05-18 | |||
| FR2403803A1 | 1979-04-20 | |||
| US3470982A | 1969-10-07 | |||
| JP6578503B1 | 2019-09-25 | |||
| JP6578502B1 | 2019-09-25 | |||
| US20190314650A1 | 2019-10-17 | |||
| JP2010082632A | 2010-04-15 | |||
| US8225905B2 | 2012-07-24 |
Other References:
See also references of EP 3984600A4
Attorney, Agent or Firm:
ONE IP PATENT FIRM (JP)
Download PDF: