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Title:
CLAMPING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/037650
Kind Code:
A1
Abstract:
A clamping apparatus (10) is provided with: a metallic detector (20) that is provided to a pivot shaft (90) pivotally moving integrally with a clamp arm (18) under the operation of a driving unit (12), in such a manner as to extend along the pivot shaft (90) so as to be around the axis thereof; and one proximity sensor (22) that is arranged so as to be opposed to the detector (20) and that detects the magnetic loss of the detector (20). The detector (20) is formed so that the area of a sensor opposing part (126) opposed to a detection surface (124) of the proximity sensor (22) changes in association with the pivotal moving of the pivot shaft (90).

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WO/2007/122895WORK POSITIONING DEVICE
Inventors:
TERASAKI Atsushi (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
TAKAHASHI Kazuyoshi (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
TAMAI Atsushi (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
KATSUMATA Koichi (TSUKUBA TECHNICAL CENTER 2-2, Kinunodai 4-chome, Tsukubamirai-sh, Ibaraki 93, 〒3002493, JP)
Application Number:
JP2017/019849
Publication Date:
March 01, 2018
Filing Date:
May 29, 2017
Export Citation:
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Assignee:
SMC CORPORATION (14-1, Sotokanda 4-chome Chiyoda-k, Tokyo 21, 〒1010021, JP)
International Classes:
B23Q3/06; B25B5/04
Foreign References:
JP2013052464A2013-03-21
JP2006313121A2006-11-16
JP2002010578A2002-01-11
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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