Patent ID: 6457389
Filing Date: 2002-10-01
Classification: B25B

Abstract:
A reversible ratchet type wrench comprising:a handle comprising a first side and a second side opposite to the first side, the handle comprising a compartment extending from the first side of the handle toward the second side of the handle, an inner periphery defining the compartment comprising a first positioning groove and a second positioning groove extending from the first side of the handle toward the second side of the handle; a head extending from the handle and including a hole, the handle further comprising a cavity having a first end communicated with the compartment of the handle and a second end communicated with the hole of the head; a drive member rotatably mounted in the hole of the head, the drive member including a plurality of teeth formed on an outer periphery thereof; a pawl slidably mounted in the cavity of the handle and comprising a toothed first side facing the drive member and a second side facing away from the drive member; a switch member rotatably mounted in the compartment, means for cooperating with the first positioning groove and the second positioning groove for retaining the switch member in one of two positions corresponding to two opposite ratcheting directions of the wrench; and means for cooperating with the pawl in response to said one of the positions of the switch member to thereby bias the toothed first side of the pawl to be selectively engaged with the teeth of the drive member.