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US 7,850,510 B2Granted
Portable grinder with a wheel-guard support and auxiliary handle
AssigneeAtlas Copco Tools AB
InventorsLars Jonas Hersgren, Anders Urban Nelson
Life of this patent
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Abstract
A straight type power grinder includes an elongate housing having a handle with a power controller at its rear end, and a neck portion at its forward end supporting an output shaft connected to a rotation motor. The neck portion is formed with an integrated mounting flange for a grinding wheel guard. The neck portion and the mounting flange form an auxiliary handle for a comfortable manual support of the grinder during operation.
Claims4
A straight type portable power grinder, comprising:
- an elongate housing having a front end and a rear end;
- a rotation motor;
- and
- an output shaft arranged to carry a grinding wheel;
- wherein the housing is provided with a handle at the rear end thereof and a tubular neck portion at the front end thereof, the neck portion coaxially surrounds the output shaft and forms an auxiliary handle, and a grinding wheel guard is supported on the neck portion;
- and
- wherein the neck portion comprises a mounting flange for mounting the grinding wheel guard, and the mounting flange comprises:
- a substantially flat front mounting surface which extends perpendicularly to the output shaft and is adapted for mounting the grinding wheel guard;
- a number of bores formed in the mounting surface which receive retaining screws for securing the grinding wheel guard to the mounting surface;
- and
- a conical surface which forms an axial hand supporting part of the auxiliary handle.
8 more elements
Dependencies are inferred from the claim text.