Portable power grinder
First Claim
1. Portable power grinder for operating a wheel type grinding tool, comprising a housing (10), a rotation motor (11) and an output spindle (12) connected to said motor (11) and arranged to carry a grinding tool, said output spindle (12) being formed with a threaded coaxial bore (23) for receiving a grinding tool clamping screw (24) and with a radially extending support flange (25) for backing the grinding tool as the latter is attached to said output spindle (12), wherein said output spindle (12) is provided with an exchangeable grinding tool support element (28) attached to said support flange and comprising a radial flange (36) arranged to be sandwiched between the grinding tool and said support flange (25), a coaxial through opening (30) for said clamping screw (24) and a coaxial forwardly directed tubular neck portion (27) for centering engagement with a corresponding opening in the grinding tool.
1 Assignment
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Accused Products
Abstract
A portable power grinder for operating a wheel type of grinding tool, comprising an output spindle (12) drivingly connected to a rotation motor (11) and provided with a threaded coaxial bore (23) for receiving a grinding tool clamping screw (24) and with a radial support flange (25) for backing the grinding tool when clamped to the output spindle (12). An easily exchangeable tool support element (28) is sandwiched between the grinding tool and the support flange (25) and is provided with a coaxial through opening (30) for the clamping screw (24) and a forwardly directed tubular neck portion (27) for centering cooperation with a corresponding opening in the grinding tool.
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Citations
6 Claims
- 1. Portable power grinder for operating a wheel type grinding tool, comprising a housing (10), a rotation motor (11) and an output spindle (12) connected to said motor (11) and arranged to carry a grinding tool, said output spindle (12) being formed with a threaded coaxial bore (23) for receiving a grinding tool clamping screw (24) and with a radially extending support flange (25) for backing the grinding tool as the latter is attached to said output spindle (12), wherein said output spindle (12) is provided with an exchangeable grinding tool support element (28) attached to said support flange and comprising a radial flange (36) arranged to be sandwiched between the grinding tool and said support flange (25), a coaxial through opening (30) for said clamping screw (24) and a coaxial forwardly directed tubular neck portion (27) for centering engagement with a corresponding opening in the grinding tool.
Specification