| 摘要 |
A handle assembly having a swivel head for detachably holding a blade, includes a substantially elongate handle having a proximal end and a distal end, the proximal end is formed with a threaded shank having a having a hemispherical socket at the end thereof, a sleeve having a threaded socket on one end for threadably mounting on the threaded shank and having an open slot extending from the other end to intersection of the threaded bore and partially along the length thereof, a blade mounting head comprising a threaded cylindrical body having a shank extending from one end, the shank adapted for receipt in the open slot and having a spherical tip for receipt in the threaded bore and engagement with the sleeve and the semi-spherical socket, the body adapted for swiveling on the spherical tip in the socket and slot, an axial bore extending coaxial of the threaded cylindrical body from the other end, an elongated collet having a longitudinal axis and inner walls surrounding an axial passage and first and second opposite ends, the collet having a first longitudinal slit extending from the first end for receiving a blade into the axial passage and forming a first set of jaws that are compressible for gripping opposing sides of the blade, the collet adapted for receipt in the axial bore, and an elongated retaining sleeve member having first and second opposite open ends and a longitudinal axis with a longitudinal inner bore, the retaining member threadably mounted on the head and being configured to secure the collet and apply a compressive force to the collet for gripping a blade transverse bore intersecting the threaded bore, at the open slot.
|
