Title:
HYDROSTATIC PISTON BEARING OF SINGLE ROD CYLINDER
Document Type and Number:
WIPO Patent Application WO/2013/157837
Kind Code:
A1
Abstract:
Disclosed is a hydrostatic piston bearing of a single rod cylinder which comprises: a housing including a chamber and a rod guide; a piston housed in the housing and partitioning the chamber into a front chamber and a rear chamber by means of a head formed on the rear end of the rod; an inlet tube passing through one side of the housing in order for the outside of the housing to be in communication with the rear chamber; and an outlet tube passing through the other side of the housing in order for the outside of the housing to be in communication with the front chamber. The hydrostatic piston bearing of a single rod cylinder comprises: a plurality of first pockets formed on the outer periphery in the circumferential direction of the head; a plurality of second pockets formed on the inner periphery in the circumferential direction of the rod guide; a first supply tube defining a conduit line in the head and in communication with the rear chamber with the first pockets; and a second supply tube defining a conduit line in the housing and in communication with the inlet tube with the second pockets, wherein a hydrostatic bearing is formed in the first pockets and the second pockets by means of a fluid supplied through the first supply tube and the second supply tube, and there is no need to install a separate fluid supply and discharge line at the outside of the cylinder to form a hydrostatic bearing.
Inventors:
SEO HO-DEUK (KR)
Application Number:
PCT/KR2013/003228
Publication Date:
October 24, 2013
Filing Date:
April 17, 2013
Export Citation:
Assignee:
SEO HO-DEUK (KR)
International Classes:
F16C32/06; F16C33/66
Foreign References:
| JP2004068863A | 2004-03-04 | |||
| JPS60143902U | 1985-09-24 | |||
| US3168013A | 1965-02-02 |
Attorney, Agent or Firm:
PUKYUNG INTERNATIONAL PATENT AND LAW FIRM (KR)
특허법인 부경 (KR)
특허법인 부경 (KR)
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