Title:
椅子用流体制御システム
Document Type and Number:
Japanese Patent JP4172974
Kind Code:
B2
Abstract:
A hydraulic drive and fluid control system for a mechanism having at least two fluid actuated cylinder includes a bi-directional motor (38)/gear pump (42). A monolithic block manifold (36) has intersecting bores formed therein in which valving and control mechanism for the fluid circuit is mounted. The fluid control system includes a variety of elements for providing smooth action of the cylinders (22,24) at start, stop, and intermediate operations. These include piston-style accumulators (74,76), self-actuating fluid flow rate control valves (54,56) and cushion valves (60,62).
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Inventors:
Henry Warne Jackson
Application Number:
JP2002265383A
Publication Date:
October 29, 2008
Filing Date:
September 11, 2002
Export Citation:
Assignee:
A-DEC, INCORPORATED
International Classes:
A47C3/30; A61G15/02; A61G15/04; A61G15/06; F15B7/00; F15B7/02; F15B11/00; F15B11/04; F15B11/048; F15B11/16
Domestic Patent References:
JP10071179A | ||||
JP49016922A | ||||
JP57203174U | ||||
JP10318391A | ||||
JP60121371A | ||||
JP62046881U | ||||
JP55029324A | ||||
JP7266973A | ||||
JP2109083U |
Attorney, Agent or Firm:
Kenji Sugimura
Kosaku Sugimura
Kiyoshi Kuruma
Shiro Fujitani
Tatsuya Sawada
Kosaku Sugimura
Kiyoshi Kuruma
Shiro Fujitani
Tatsuya Sawada