Blade size limiter
AssigneeRobert Bosch GmbH
InventorAndrew Frolov
Life of this patent
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Abstract
A power tool includes a motor; an arbor attachment mechanism that includes a shaft configured to be driven by the motor about a spin axis. The arbor attachment mechanism is configured to hold a blade onto the shaft. The power tool includes a blade size limiter that is configured to prevent attachment of a blade with a radius greater than a predetermined size, and is configured to be connected to the arbor attachment mechanism independently of the attachment of the blade to the arbor attachment mechanism and such that the blade size limiter is at a distance from the spin axis of the shaft.
Claims24
A power tool comprising:
- an arbor attachment mechanism that includes a shaft that is configured to be driven to spin about a spin axis;
- and
- a blade size limiter that is (a) connected or connectible to the arbor attachment mechanism so that the blade size limiter is at a distance from the spin axis, and (b) is configured to prevent a blade with a radius greater than a predetermined size to be mounted onto the shaft of the arbor attachment mechanism.
A blade size limiter, comprising:
- an arcuate segment;
- and
- a mounting structure configured to be attached to a riving knife.
A tool comprising:
- a blade attachment mechanism including a shaft;
- a riving knife;
- a position adjusting mechanism for adjusting a position of the riving knife relative to the shaft;
- and
- a blade size limiter attached to the position adjusting mechanism, wherein a radius from the shaft to the blade size limiter is shorter than a radius from the shaft to the riving knife and wherein the blade size limiter is configured to prevent a blade with a radius greater than a predetermined size to be mounted onto the shaft.
Dependencies are inferred from the claim text.