Ratchet screwdriver

The utility model discloses a ratchet screwdriver. The ratchet screwdriver comprises a handle, and a ratchet unit arranged on the handle. The ratchet unit has a positioning base fixed on the handle, a ratchet element sheathing on the positioning base, two clamp assemblies arranged on the positioning...

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Bibliographic Details
Main Author XUANSEN XIAO
Format Patent
LanguageEnglish
Published 18.04.2007
Subjects
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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Summary:The utility model discloses a ratchet screwdriver. The ratchet screwdriver comprises a handle, and a ratchet unit arranged on the handle. The ratchet unit has a positioning base fixed on the handle, a ratchet element sheathing on the positioning base, two clamp assemblies arranged on the positioning base, two elastic elements for making the clamp assemblies engaged with the ratchet element, and a commutator element sheathing on the positioning base for driving the clamp assemblies. The clamp assembly respectively has two first and second clamp plates swayable in two first and second accommodating slots of the positioning base. Accordingly, the clamp assembly can be driven by rotating commutator element and the movement direction is switched.
Bibliography:Application Number: CN2006203761U