Pressing tool and pressing process
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 25, 2001
app pub date -
Apr 3, 2001
filing date -
Apr 4, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A pressing tool for tightly pressing sleeve-like fittings (32a) includes a hydraulic cylinder device having a fork-like connecting part (7) and a drive motor. A pressing jaw (51) with a fastening pin (50) is fastened in the fork-like connecting part (7). A piston of the hydraulic cylinder device, which piston is connected to a piston rod (6), is moved out of the starting position in the cylinder by the drive motor. As a result, the piston rod (6) is extended from the cylinder. As a result of the movement of the piston rod (6), the cheek plates (51a, 51b) of the pressing jaw (51) are moved apart in the region of actuation surfaces (8a, 8b) of the cheek plates (51a, 51b) in order to press the cheek plates (51a, 51b) together in the region of the fittings (32a) to be pressed. In order to carry out a pressing process (44) safely, the pressing tool has, in the region of the fork-like connecting part (7), a presence sensor (52) which checks for the presence of the pressing jaw (51) and, in the case of an absent or incorrectly fastened pressing jaw (51), triggers a warning signal (45a) and, after a delay, switches off the pressing tool if a properly inserted pressing jaw (51) is still not present.
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