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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9724840 B1

PDFFull Text
Date of Patent:
Aug. 08, 2017

Filed:

Mar. 13, 2002

Safety systems for power equipment

Applicant:

Stephen F. Gass, Wilsonville, OR (US);

Inventor:

Stephen F. Gass, Wilsonville, OR (US);

Assignee:

SD3, LLC, Tualatin, OR (US);

Attorney:
Primary Examiner:

Ghassem Alie

Int. Cl.
CPC ...
B26D 7/24 (2006.01); G05B 9/02 (2006.01); B23D 47/08 (2006.01); B27B 5/38 (2006.01); B27G 19/02 (2006.01); B27B 13/16 (2006.01); B23D 59/00 (2006.01); B27B 13/14 (2006.01); B27G 19/00 (2006.01); B27G 21/00 (2006.01); F16P 3/12 (2006.01); G05B 19/4061 (2006.01); F16P 3/14 (2006.01); F16D 127/00 (2012.01);
U.S. Cl.
CPC ...
B27B 13/16 (2013.01); B23D 59/001 (2013.01); B27B 5/38 (2013.01); B27B 13/14 (2013.01); B27G 19/00 (2013.01); B27G 19/02 (2013.01); B27G 21/00 (2013.01); F16P 3/12 (2013.01); F16P 3/144 (2013.01); F16P 3/145 (2013.01); F16P 3/147 (2013.01); F16P 3/148 (2013.01); G05B 19/4061 (2013.01); F16D 2127/008 (2013.01); G05B 2219/45044 (2013.01); G05B 2219/49141 (2013.01); G05B 2219/49159 (2013.01); Y10T 83/089 (2015.04); Y10T 83/704 (2015.04);
Abstract

Machines with safety systems are disclosed. The machine may take the form of woodworking machines including table saws, band saws, miter saws, hand-held circular saws, pneumatic chop saws, radial-arm saws, jointers, planars, routers and shapers. The machines may include an operative structure configured to perform a task, where the operative structure includes a cutting tool adapted to move in at least one motion, and a safety system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool and for mitigating the unsafe condition. The safety system may include a detection subsystem and a reaction subsystem.

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