Cutter supporting unit for tire grooving apparatus
AssigneeSumimoto Rubber Industries, Ltd.
InventorsSatoru Kinuhata, Masao Takami, Eiji Shibata, Tadahiko Tamura
Life of this patent
Estimating the term…
Abstract
A cutter supporting unit for a tire grooving apparatus having a tire supporting shaft and a cutter supporting unit which brings a cutter in or out of contact with a tire held by the tire supporting shaft, wherein that said cutter supporting unit includes a cutter holder which holds the cutter and a cutter supporting frame to which the cutter holder is releasably connected. The unit largely reduces time and labor necessary for the cutter replacement and improves tire grooving productivity.
Claims2
A cutter supporting unit for a tire grooving apparatus having a tire supporting shaft and a cutter supporting unit which is movably and detachably supported so as to bring a cutter in and out of contact with a tire held by the tire supporting shaft, said cutter supporting unit comprising:
- a cutter holder which holds a cutter;
- and
- a cutter supporting frame to which the cutter holder is connected removably;
- wherein said cutter supporting frame includes clamping means having an engaging groove formed in a dovetail shape, said clamping means has a tightening piece and a tightening screw, said tightening screw passes through said tightening piece and engages with said cutter supporting frame, and said cutter holder has a base formed in a substantially trapezoidal shape fitting said dovetail shape of said clamping means engaging groove.
A cutter supporting unit for a tire grooving apparatus having a tire supporting shaft and a cutter supporting unit which is movably and detachably supported so as to bring a cutter in and out of contact with a tire held by the tire supporting shaft, said cutter supporting unit comprising:
- at least two cutter holders which, respectively, hold cutters;
- a rotatable supporting frame to which said cutter holders are connected removably;
- and
- a cutter supporting frame having a rotatable supporting shaft which supports said rotatable supporting frame;
- wherein said rotatable supporting frame has at least two clamping means, each clamping means having an engaging groove formed in a dovetail shape, said clamping means has a tightening screw, said tightening screw passes through said tightening piece and engages with said rotatable supporting frame, and each of said cutter holders has a base formed in a substantially trapezoidal shape fitting said dovetail shape of the clamping means engaging grooves.
Dependencies are inferred from the claim text.