Patent ID: 8459154
Filing Date: 2013-06-11
Classification: B25G

Abstract:
1. A hand-held tool comprising: a shaft including a shank and a work head connected to a front end of the shank, a annular groove and a curved groove respectively and peripherally defined in the shank, the annular groove and curved groove respectively corresponding to the front end and a rear end of the shaft, a bore longitudinally defined in the rear end of shank; a grip movably sleeved on the shank and including a through hole longitudinally defined therein and the rear end of the shank extending into through hole, a trough defined in a front end of the grip and communicating with the through hole, a cavity defined in an interior of the through hole and corresponding to the trough, a threaded hole defined in the grip and communicating with the through hole, wherein the threaded hole is front of the cavity relative to the grip; a pivot seat including a body pivotally connected to a rear end of the shank, a cavity longitudinally defined in the body for pivotally receiving the rear end of the shank, a groove defined in the body and laterally communicating with the cavity in the body to allow the shank being wiggled relative to the pivot seat, a through hole radially defined in the body; a first positioning seat mounted into the bore and selectively engaged into the through hole in the pivot seat for positioning the shaft after being wiggled; a second positioning set mounted into the cavity in the grip and selectively engaged into the annular groove and the curved groove; an end-piece mounted onto a rear end of the grip for closing the through hole in the grip; a tubular element rotatably mounted to a front end of the grip, the tubular element including a passage laterally defined therein and selectively communicating with the trough to allow the shank passing through the tubular element and the grip, a slot peripherally defined in the tubular element and communicating with the threaded hole; a limit set screwed through the threaded hole and partially received in the slot in the tubular element for limiting a rotating range of the tubular element.