Ratchet tool control mechanism

Details Ratchet tool control mechanism Ratchet tool control mechanism

1996-10-07

1998-04-14

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 631, 811779, 192 43, B25B 1306

Patent

active

057379823

ABSTRACT:
A ratchet tool includes a hand grip and a member rotatably coupled together. The member has an interior for receiving a shaft and has a channel for slidably receiving a knob. A barrel is rotatably engaged on the shaft and is slidably engaged in the member for allowing the barrel to be moved axially within the member. The barrel includes a number of ratchet teeth formed in front portion and the rear portion. The knob includes a stud engaged with the barrel for moving the barrel along the shaft. Two followers are engaged on the shaft and rotated in concert with the shaft and each includes a number of ratchet teeth for engaging with the ratchet teeth of the barrel and for allowing the followers to be rotated in an active direction by the barrel. The ratchet teeth are in surface engagement such that the followers may be solidly driven by the ring.

REFERENCES:
patent: 2292238 (1942-08-01), Krieger
patent: 5329834 (1994-07-01), Wong

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