B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
B25B 23/00 (2006.01) B25B 15/00 (2006.01) B25B 21/00 (2006.01)
Patent
CA 2496073
The present invention provides a kind of Clamed Structure of Bit comprising: a rod, on which a combination part was designed which can incorporate with hand tool; additionally, a C-shaped retaining groove was set particularly for C-shaped buckle, and a reversion locking bulge was designed particularly for pulling out screw; in addition, some plural locking bead holes and buckling bead holes were designed for buckling round beads and buckling beads respectively; and concaved pentagonal cover was designed for working with the adjusting sleeve with a certain locking depth; at last, a combination groove of bit was designed on the from: of rod; and a sleeve, on which a perforation was designed for the said rod; and an inner ringy cover was set, which can hold one end of spring of the rod, among which some perforations were designed for assorting with the aforesaid locking bulge; additionally, an outer threading was designed for adjusting screw lock of sleeve; in addition, a position bead hole was designed on the outer screw thread for the position bead; and an adjusting sleeve was designed with an inner threading for locking the outer threading of the said sleeve; additionally, a long concaved groove was designed on the inner wall of adjusting sleeve. While using this long concaved groove to assort with the action of the said position bead, the locking position of adjusting sleeve and the said sleeve can be adjusted. Therefore, it can adjust the extension length of bit, work with locking depth of various screws and release timely locking twisting force of bit after the completion of screw's locking.
Chen Ho-Tien
Robic
LandOfFree
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