Clamping apparatus for molding machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 11, 1994
Issued Date -
N/A
app pub date -
Dec 11, 1992
filing date -
Jul 27, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A safety apparatus for a clamping device which includes a machine base, a first fixed board fixed on the base, a movable board movably disposed on the base, either a second fixed board or a bearing member fixed to the base behind the movable board, and a safety door slidably disposed on the base between an open and a closed position. The safety apparatus includes an engagement device disposed on the movable board, the engagement device having a stopper member which is vertically movable between an engaged and a disengaged position when the safety door is opened or closed, a safety rod disposed between the first fixed board and either the bearing member or the second fixed board, the safety rod having a plurality of engagement portions spaced therealong, and a drive device disposed on either the bearing member or the second fixed board for axially moving the safety rod. When the safety door is in the open position and the stopper member is in the disengaged position, the drive device axially moves the safety rod so as to enable the stopper member to engage one of the engagement portions of the safety rod.
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