Saw having an angle adjustable blade
OwnerYung-chyuan Liaoinventor
Life of this patent
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Abstract
A saw having an angle adjustable blade includes a handle and a blade. The handle includes a body and a ratchet structure. The ratchet structure includes a positioning member and a ratchet rod. Thus, the angle of the blade relative to the handle may be adjusted arbitrarily by rotating the blade relative to the handle, without having to change and adjust the angle of the handle, thereby facilitating the user operating the handle, and thereby preventing the user's wrist from being hurt.
Claims15
A saw having an angle adjustable blade, comprising a handle and a blade, the handle including a body and a ratchet structure, the ratchet structure including a positioning member and a ratchet rod, wherein:
- the positioning member is mounted on the body and has a periphery formed with two adjacent notches for receiving two toothed ratchet blocks and a through hole located between the two notches for receiving an elastic member which is urged between the two ratchet blocks, a rotation ring is mounted on the positioning member to encompass the two ratchet blocks, the rotation ring has an inner wall formed with three positioning recesses, a restoring spring is mounted in the periphery of the positioning member, for pressing a positioning ball which is locked in one of the three positioning recesses of the rotation ring;
- and
- the ratchet rod is mounted between the positioning member and the rotation ring, and has a rear side having an inner wall formed with a plurality of ratchet teeth meshing with the two ratchet blocks, and a front side for mounting the blade.
Dependencies are inferred from the claim text.