Ratchet screwdriver and construction method

  • US 8,109,181 B2
  • Filed: 05/19/2006
  • Issued: 02/07/2012
  • Est. Priority Date: 05/19/2006
  • Status: Active Grant
First Claim
Patent Images

1. In a ratchet screwdriver, a body (17, 72) having a longitudinal axis (A), a gear (56) disposed within the body and rotatable by the handle about the axis (A), a pawl (21, 22, 71) pivoted on the body and being selectively rotationally engageable with the gear, a selector (27, 73) rotatable on the body about the axis (A) to selective rotated positions on the body for engaging the pawl for selective direction of rotation drive, the improvement comprising:

  • said selector being axially movable on said body, andsaid body and said selector being selectively relatively non-rotationably engageable for locking said selector in selected rotated positions in response to the axial and rotating movement of said selector.

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