Invention Grant
US09138875B2 Ratchet tool device 有权
棘轮工具装置

  • Patent Title: Ratchet tool device
  • Patent Title (中): 棘轮工具装置
  • Application No.: US13868998
    Application Date: 2013-04-23
  • Publication No.: US09138875B2
    Publication Date: 2015-09-22
  • Inventor: Yi-Fu Chen
  • Applicant: Yi-Fu Chen
  • Main IPC: B25B13/46
  • IPC: B25B13/46
Ratchet tool device
Abstract:
A ratchet tool device includes a wrench body, a receiving hole and a receiving space opened at a top end of the wrench body, the receiving space axially opened from an inner wall of the receiving hole toward a bottom end of the wrench body, the receiving space communicating with the receiving hole, a ratchet wheel received in the receiving hole, a pawl set having a first pawl, a second pawl and an abutting elastomer, a switching set having a switching member and a positioning member, the switching member assembled to the wrench body and sealing the receiving space, the switching member having a driving block, the first pawl and the second pawl both assembled to the driving block.
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