Title:
BRAKING DEVICE
Document Type and Number:
Japanese Patent JP2693669
Kind Code:
B2
Abstract:
PURPOSE: To provide a braking device wherein braking force is sufficient against a load such as, for instance, several tens of tons and further surely obtained.
CONSTITUTION: A braking device has a cylinder 1 having a brake shoe 4 serving as a braking part in the point end of a piston rod 2 so as to perform braking action in the brake shoe 4 by supplying oil to one cylinder chamber 1a, oil supply part for supplying oil to this cylinder 1 by an oil pump 6 and a direction switching valve 12 connected to piping between this oil supply part and the cylinder 1 to perform closing/opening this piping. By operating this direction switching valve 12 switched, oil is supplied into the cylinder chamber 1a through the piping by the oil pump 6 to display braking force against a load of acting on a winch or the like.
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Inventors:
Yoshiaki Taguchi
Application Number:
JP26508691A
Publication Date:
December 24, 1997
Filing Date:
October 14, 1991
Export Citation:
Assignee:
Daiwa Kiko Co., Ltd.
International Classes:
F16D49/12; F16D63/00; F16D65/28; (IPC1-7): F16D65/36
Domestic Patent References:
| JP5431869A | ||||
| JP4963390U |
Attorney, Agent or Firm:
Hironobu Onda
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