Patent ID: 7926388
Filing Date: 2011-04-19
Classification: B25B

Abstract:
1. A hand tool comprising: a support; a handle rotatably mounted on a middle portion of the support; at least two spindles respectively fixed to two opposite ends of the support by ends thereof; a driver mounted on an end of the handle; at least two followers respectively rotatably attached on an end of each spindle and drivably connected with the driver; at least two spanners respectively attached on a surface of each follower which is away from the corresponding spindle; at least one channel defined on the support, wherein the at least one channel runs through the support from an upper surface to a lower surface thereof, and the at least one channel provides at least one space between the least two followers for at least one distance between the least two followers to be adjusted; and a first nut; wherein the handle includes a haft and a shaft connected on the middle portion of the haft by one end, the shaft of the handle passes through the at least one channel and is rotatably mounted on the support, the driver is attached on the shaft, each spindle has a threaded end and a connecting end, the threaded end passes through the at least one channel of the support and is mounted on an end of the at least one channel by a second nut, and the at least two followers are respectively mounted on the connecting ends of the spindles; the first nut is screwed on an end of the shaft having a thread formed thereon for reinforcing the connection strength between the driver and the shaft of the handle; and the end of the shaft defines a connecting structure thereon, the driver defines a through hole in the center portion thereof, the inner wall of the through hole has a meshed structure corresponding to the connecting structure of the shaft, and the driver is attached on the shaft of the handle via the cooperatively matched connecting structure and meshed structure.