Title:
フェールセーフなプレス機械の自動スライド運転制御装置
Document Type and Number:
Japanese Patent JP3946261
Kind Code:
B2
Abstract:
The present invention relates to a fail-safe automatic sliding operation control apparatus for a press. The entrance and withdrawal behaviors of an operator's hand relative to danger zones (D, DN) on a bolster of the press is detected by an output generation configuration of two optical curtains (5,21). A signal for permitting a lowering operation of the slide is generated when the operator's hand is withdrawn from the danger zones (D, DN).
Inventors:
Koichi Hobara
Toshito Shirai
Masayoshi Sakai
Toshito Shirai
Masayoshi Sakai
Application Number:
JP51245498A
Publication Date:
July 18, 2007
Filing Date:
March 07, 1997
Export Citation:
Assignee:
Nippon Signal Co., Ltd.
International Classes:
B30B15/00; B30B15/28; F16P3/12; F16P3/14; H01H9/54; H01H47/00; H03K17/18
Domestic Patent References:
| JP63043800A | ||||
| JP7092193B2 | ||||
| JP6098518B2 | ||||
| JP63040719Y2 |
Attorney, Agent or Firm:
Tomijio Sasashima
Haruyuki Nishiyama
Haruyuki Nishiyama