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Patent Searching and Data


Title:
SCREW TRANSMISSION GEAR
Document Type and Number:
Japanese Patent JPH0719309
Kind Code:
A
Abstract:

PURPOSE: To provide a screw transmission gear devised to generate brake horsepower of a high reduction ratio by a differential screw mechanism.

CONSTITUTION: In the inside of an outside casing 1, a drive shaft 4 supported free to rotate and a driven shaft 12 supported free to rotate are inserted and supported, on the driven shaft 12, a spiral guide 16 of comparatively gentle spiral inclination is provided, on the drive shaft 4, a drive transmission shaft free to move forward and backward is screwed, and an engagement member 22 provided on the head end part of the relative drive transmission shaft 17 is engaged with and supported on the spiral guide 16 formed on the driven shaft 12.


Inventors:
Fujita, Kazuo
Application Number:
JP1993000166725
Publication Date:
January 20, 1995
Filing Date:
July 06, 1993
Export Citation:
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Assignee:
FUJITA KAZUO
International Classes:
F16H25/20; F16H25/22; (IPC1-7): F16H25/22; F16H25/20
Attorney, Agent or Firm:
松波 祥文