Patent ID: 6665910
Filing Date: 2003-12-23
Classification: B25B,B60P,Y10S,Y10T

Abstract:
A manual stretcher including:a frame including two lateral plates, an intermediate plate connecting the lateral plates with each other and a hole defined in each of the lateral plates; a shaft including a slot defined therein for receiving a portion of a strip of work, wherein the shaft is inserted through the holes; a ratchet mounted on an end of the shaft; a claw mounted on one of the lateral plates of the frame for engagement with the ratchet; and a joint mounted on another end of the shaft for engagement with a crank for rotation of the shaft, wherein the shaft includes two halves, wherein the joint includes two meniscus recesses defined in an end thereof for receiving the halves of the shaft, wherein each of the halves of the shaft includes a hole defined in an end thereof, wherein the joint includes two opposite pin-receiving holes defined in a periphery thereof, wherein a pin can be inserted in the boles defined in the halves of the shaft and the pin-receiving holes defined in the joint, thus securely mounting the joint on the halves of the shaft, wherein the joint includes a partition separating the meniscus recesses from each other, and wherein the partition includes a pin-receiving hole defined therein.