Invention Grant
US08166849B2 Combination ratcheting wrench with a box-end wrench having an opening 有权
组合棘轮扳手与带有开口的盒式扳手

  • Patent Title: Combination ratcheting wrench with a box-end wrench having an opening
  • Patent Title (中): 组合棘轮扳手与带有开口的盒式扳手
  • Application No.: US12638995
    Application Date: 2009-12-16
  • Publication No.: US08166849B2
    Publication Date: 2012-05-01
  • Inventor: Shu-Su Chan
  • Applicant: Shu-Su Chan
  • Main IPC: B25B13/08
  • IPC: B25B13/08 B25B13/46
Combination ratcheting wrench with a box-end wrench having an opening
Abstract:
A combination open-ended ratcheting wrench with a box-end wrench has a wrench having a wrench head, the wrench head having a first aperture with a first opening, a receptacle formed at an inner wall of the first aperture, at least one limiting groove disposed around the inner wall of the first aperture; a control member pushing against an elastic member acceptable in the receptacle and having a ratcheting surface and a smooth surface, and at least one stopping edge corresponding to and accepting the limiting members; a ratchet disposed in the first aperture and having a ratcheting aperture, the ratcheting aperture having a ratchet opening, a ratcheting pawl formed around an outer circumference of the ratchet and corresponding to the ratcheting surface of the control member; and a rotation cap disposed on the wrench head covering a portion of the ratchet in the first aperture and having a second opening.
Information query
Patent Agency Ranking
0/0