Operation apparatus for press
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 25, 2001
Grant Date -
N/A
app pub date -
Sep 18, 1998
filing date -
Sep 19, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention provides an operation apparatus for a press, of simple structure with lower cost. The operation apparatus for a press according to the present invention comprises a controlling system 1 for generating a slide actuation command signal K.sub.1 by an ON operation of an operation button or an entrance/escape detection output of a human body by a light-beam type safety apparatus and controlling slide actuation, based on a crank angle signal from an encoder 4; a monitoring system 2 for monitoring controlling operation of the controlling system 1, including slide overrun monitoring function and the like, utilizing operation button ON signal T, operation button-OFF signal /T or the detection output from the light-beam type safety apparatus, position signals P.sub.a and P.sub.b indicative of slide elevating process and slide lowering process, respectively, position signal P.sub.h from a light-beam type safety apparatus, and slide actuation command OFF signal /K.sub.1 ; and an AND gate 3 for generating a slide actuation signal S based on the slide actuation command signal K.sub.1 from the controlling system 1, only when the normality judgment signals K.sub.2, K.sub.3 are being generated from the monitoring system 2.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully