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US 7,610,836 B2Granted
Replaceable brake mechanism for power equipment
AssigneeSd3, LLC
InventorsStephen F. Gass, David S. D'Ascenzo, Andrew L. Johnston, Joel F. Jensen, Sung H. Kim, Anwyl M. McDonald
Life of this patent
Estimating the term…
Abstract
Woodworking machines are disclosed having cutting tools adapted to cut workpieces. The machines include a safety system adapted to detect one or more dangerous conditions between a person and the cutting tool, and to stop movement of the cutting tool upon detection of the dangerous condition. At least part of the safety system is housed in a removable cartridge.
Claims18
A woodworking machine comprising:
- a support frame including a work surface for supporting workpieces;
- a cutting tool supported by the frame and movable relative to the work surface to cut the workpieces supported by the work surface;
- and
- a safety system configured to detect a dangerous condition between a person and the cutting tool and to perform a predetermined action upon detection of the dangerous condition to mitigate the dangerous condition, wherein the safety system includes a cartridge removably coupled to the support frame, wherein the cartridge is adapted to perform the predetermined action a single time and then to be replaced, and wherein the cartridge has one or more single-use components configured to be expended when the cartridge performs the predetermined action.
1 more element
A woodworking machine comprising:
- a support frame including a work surface for supporting workpieces;
- a cutting tool supported by the frame and movable relative to the work surface to cut the workpieces supported by the work surface;
- and
- a safety brake means for detecting a dangerous condition between a person and the cutting tool, and for stopping the movement of the cutting tool upon detection of the dangerous condition, wherein the safety brake means comprises a cartridge removably coupled to the support frame and one or more single-use components associated with the cartridge and adapted to be used upon detection of the dangerous condition.
1 more element
Dependencies are inferred from the claim text.