Title:
REGULATOR FOR CLEARANCE BETWEEN BRAKE SHOE AND WHEEL, AND BRAKE CYLINDER
Document Type and Number:
Japanese Patent JP2020097955
Kind Code:
A
Abstract:
To provide a regulator for a clearance between a brake shoe and a wheel, to which a regulation unit for regulating rotation due to vibration of a ratchet gear is attached easily, and a brake cylinder.SOLUTION: A regulator 30 for a clearance between a brake shoe and a wheel comprises: a ratchet gear 32 that is attached to a sheath rod housing a push rod for driving the brake shoe; a ratchet pawl 34 that meshes with the ratchet gear 32 and restricts rotation of the ratchet gear 32 in one direction; and a restriction unit 40 that has, as separate members, a ratchet retainer 41 contacting the teeth of the ratchet gear 32 and a coil spring 42 for absorbing the vibrations of the ratchet retainer 41, and restricts the rotation of the ratchet gear 32 due to the vibration.SELECTED DRAWING: Figure 2
Inventors:
ASANO YOSHIO
OYA HIDEYUKI
OYA HIDEYUKI
Application Number:
JP2018235259A
Publication Date:
June 25, 2020
Filing Date:
December 17, 2018
Export Citation:
Assignee:
NABTESCO CORP
International Classes:
F16D65/56; B61H15/00
Domestic Patent References:
| JPS60100259U | 1985-07-08 | |||
| JPS60114358U | 1985-08-02 | |||
| JPS54136012U | 1979-09-20 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda