Patent ID: 6135039
Filing Date: 2000-10-24
Classification: D05B

Abstract:
A arch clamp foot pressing device comprising a bed, a arch clamp frame which moves in given directions, back and forth and right and left, at least one arch clamp foot attached to a tip end of the arch clamp frame to be movable up and down and to be extracted upward, arch clamp foot lifting levers which are provided corresponding to the arch clamp feet and have middle portions turnably supported by the arch clamp frame by a pin, base end portions biased upward by an upward biasing means, and tip end portions engageable in and disengageable from slots of the arch clamp feet and a feed plate which is integrated with the arch clamp frame, wherein the tip end portions of the arch clamp foot lifting levers elastically press the arch clamp feet downward owing to the biasing force of the upward biasing means while the tip end portions of the arch clamp foot lifting levers are engaged in the slots of the arch clamp feet to clamp a workpiece between the feed plate and the arch clamp feet,characterized in further comprising a carrying unit which can move the arch clamp foot lifting levers substantially horizontally along axes connecting between the tip end portions and the base end portions of the arch clamp foot lifting levers while it is guided by the pin, and wherein the tip end portions of the arch clamp foot lifting levers are disengaged from the slots of the arch clamp feet when the arch clamp foot lifting levers are moved by the carrying unit toward the base end portions, of the arch clamp foot lifting levers.