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Patent Searching and Data


Title:
HYDRAULIC CYLINDER EQUIPPED WITH DETECTION MECHANISM
Document Type and Number:
WIPO Patent Application WO/2019/176712
Kind Code:
A1
Abstract:
This hydraulic cylinder (10) equipped with a detection mechanism has a piston (40) that is slidably disposed inside a cylinder hole (14) of a cylinder body (12), wherein: a position detection screw shaft (60) is screwed into a screw hole (46) provided in the center of the piston; the piston is supported by the cylinder body so that rotation thereof around the center axis is restricted; the position detection screw shaft can rotate around the center axis and is supported by an end cover (20), provided on an end section of the cylinder body, so that the displacement thereof in the center axis direction is restricted; and a sensor (84) is installed facing an end section of the position detection screw shaft extending outward from the end cover.

Inventors:
NAKAYAMA Toru (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
MASUI Ryuichi (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
ISHIZAWA Naohiro (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
Application Number:
JP2019/009041
Publication Date:
September 19, 2019
Filing Date:
March 07, 2019
Export Citation:
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Assignee:
SMC CORPORATION (14-1, Sotokanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
International Classes:
F15B15/28
Foreign References:
US9341266B12016-05-17
JPS6458805A1989-03-06
JPH01303301A1989-12-07
JPS56104607U1981-08-15
Attorney, Agent or Firm:
CHIBA Yoshihiro et al. (Shinjuku Maynds Tower 16F, 1-1 Yoyogi 2-chome, Shibuya-k, Tokyo 53, 〒1510053, JP)
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