US Patent No: 7,024,975

Number of patents in Portfolio can not be more than 2000

Brake mechanism for power equipment

Stats

ALSO PUBLISHED AS: 20020017180
ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

Woodworking machines are disclosed having cutting tools adapted to cut workpieces. The machines include a detection system adapted to detect one or more dangerous conditions between a person and the cutting tool. The machines also include a brake mechanism having one or more braking components adapted to engage and stop the cutting tool in response to the detection of a dangerous condition.

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First Claim

Related Publications

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SD3, LLCWILSONVILLE, OR94

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
D'Ascenzo, David S Portland, OR 35 992
Gass, Stephen F Wilsonville, OR 203 3776
Jensen, Joel F Redwood City, CA 88 2338
Johnston, Andrew L Redwood City, CA 36 645
McDonald, Anwyl M Oakland, CA 28 549

Cited Art

Patent Info (Count) # Cites Year
 
YAMAHA CORPORATION (211)
2003/0023,649 Digital filtering method and device and sound image localizing device 1 2002
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2003/0023,649 Digital filtering method and device and sound image localizing device 1 2002
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KADANT BLACK CLAWSON INC. (1)
6,617,720 Integrated paper pulp and process machinery having integrated drive and control and methods of use thereof 62 2000
 
KANEFUSA KABUSHIKI KAISHA (1)
6,330,848 Circular saw cutting machine 49 2000
 
KUNREUTHER AND BERINGHAUSE (1)
4,235,161 Automatic tag attaching apparatus 104 1979
 
LEATHA BLAZETIC (1)
5,791,223 Angled power saw for railroad rails 71 1997
 
LOCKHEED MARTIN CORPORATION (1)
5,695,306 Fusible member connection apparatus and method 76 1996
 
MCKEON ROLLING STEEL DOOR CO., INC. (1)
5,245,879 Fail-safe fire door release mechanism having automatic reset 93 1992
 
MILWAUKEE ELECTRIC TOOL CORPORATION (1)
5,937,720 Lower blade guard actuating mechanism for a slide compound miter saw 78 1996
 
MOTOROLA, INC. (1)
4,975,798 Voltage-clamped integrated circuit 69 1989
 
MURATA MANUFACTURING CO., LTD. (1)
5,231,359 Ceramic resonance type electrostatic sensor apparatus 84 1990
 
NATIONAL RAILROAD PASSENGER CORPORATION (1)
6,052,884 Conveyorized system for rebuilding tread and disc brake actuator units for use in railway cars 65 1997
 
NEOPOST INDUSTRIE (1)
5,659,454 Thermal protection apparatus for a secure electronic appliance, in particular a postage meter 58 1994
 
ONE WORLD TECHNOLOGIES (1)
2004/0194,594 Machine safety protection system 98 2004
 
OUTBOARD MARINE CORPORATION (1)
4,195,722 Circuit for a power operated machine 80 1978
 
OWENS-CORNING FIBERGLAS CORPORATION (1)
4,637,188 Splicing means for faced insulation batts 71 1986
 
PACCAR INC (1)
4,937,554 Electronic brake monitoring system and method 85 1989
 
RAFF, TERRY, AS TRUSTEE OF THE MAIN CHILDREN'S TRUST (1)
4,644,832 Method for monitoring saw blade stability and controlling work feed rate on circular saw and bandsaw machines 73 1985
 
RENFRO; JULIAN C. (1)
4,560,033 Multifunction wheelchair handbrake especially adapted for ramp climbing 90 1981
 
ROBERT BOSCH GMBH (1)
4,722,021 Safety circuit for hand tools, and method for safe operation thereof 82 1986
 
ROBERT BOSCH TECHNOLOGY CORPORATION (1)
4,262,278 Diagnostic brake system warning circuit 56 1979
 
ROSS OPERATING VALVE COMPANY (1)
4,372,202 Emergency brake for presses 66 1980
 
RYOBI NORTH AMERICA, INC. (1)
5,207,253 Plunge router 113 1992
 
S-B POWER TOOL CORPORATION (1)
5,174,349 Power table saw assemblies having integral spare part storage 85 1991
 
SAF-T-MARGIN, INC. (1)
5,081,406 Proximity responsive capacitance sensitive method, system, and associated electrical circuitry for use in controlling mechanical and electro-mechanical equipment 147 1990
 
SAMES S.A. (1)
4,672,500 Protective device for electrostatic sprayer equipment 65 1984
 
SENCO BRANDS, INC. (1)
6,431,425 Pneumatic fastener driving tool and an electronic control system therefore 93 2000
 
SENCO PRODUCTS, INC. (1)
4,679,719 Electronic control for a pneumatic fastener driving tool 79 1985
 
SENSORMATIC ELECTRONICS CORPORATION (1)
5,534,836 Deactivator for theft-deterrent markers 76 1994
 
SHANKLIN CORPORATION (1)
5,321,230 Seal wire heat control system 79 1993
 
SHOPSMITH, INC. (1)
4,615,247 Anti-kickback system 70 1985
 
SIMATELEX MANUFACTORY CO., LTD. (1)
4,751,603 Safety devices 93 1987
 
SKF KUGELLAGERFABRIKEN GMBH (1)
4,589,860 Gear and method for making the same 77 1984
 
SOCIETE D'ASSISTANCE TECHNIQUE AUX INDUSTRIES ELECTRONIQUES, PNEUMATIQUES, HYDRAULIQES (1)
4,845,476 Proximity detector between a metallic mass and an element to which is applied an electric voltage 51 1987
 
SOCIETE D'EXPLOITATION SOREMEC-CHESS (1)
4,599,597 Circuit protection devices 67 1984
 
SOMMERVILLE DESIGN & MANUFACTURING INC. (1)
6,170,370 Circular saw splitter device with integral anti-kick back 78 1999
 
SONY CORPORATION (1)
6,404,098 Drive unit using shape memory alloy 123 2000
 
SPACE SYSTEMS/LORAL, LLC (1)
6,133,818 Redundant fuse wire release device 70 1999
 
STEELCASE DEVELOPMENT CORPORATION (1)
4,321,841 Press safety device 73 1980
 
SUMITOMO CHEMICAL COMPANY, LIMITED (1)
6,376,939 Sensor apparatus and safety apparatus for protecting approach to machines 99 2000
 
TECHTRONIC POWER TOOLS TECHNOLOGY LIMITED (1)
2004/0159,198 Table saw with cutting tool retraction system 92 2003
 
TEKONSHA TOWING SYSTEMS, INC. (1)
5,741,048 Controller for electric braking system 67 1994
 
THE BOEING COMPANY (1)
5,046,426 Sequential structural separation system 85 1989
 
THE COOKSON COMPANY (1)
5,082,316 Release mechanism and method with alarm circuit 69 1990
 
THE ENGINEERING CONSORTIUM, INC. (1)
4,756,220 Safety mechanism for saws 67 1987
 
THE GILLETTE COMPANY (1)
4,199,930 Alarm switch for an alarm circuit in a horological device 61 1978
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE ARMY (1)
4,190,000 Mine proximity fuse 78 1962
 
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY (1)
5,239,978 Oscillatory abrasive cable power saw 58 1992
 
THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL (1)
6,420,814 Spiral wound transducer 73 1999
 
THESMAN INDUSTRIES, INC. (1)
4,466,233 Mower drive assembly 82 1982
 
TOSHIBA STORAGE DEVICE CORPORATION (1)
5,592,353 Power supply system 71 1994
 
TOWNSEND ENGINEERING COMPANY (1)
5,025,175 Safety means for powered machinery 82 1989
 
TSUNE SEIKI CO., LTD. (1)
5,974,927 Circular saw cutting machine 64 1997
 
TUSCARORA DESIGNS INC. (1)
5,074,047 Anti-pinch device for chain saw 58 1990
 
TYCO FIRE & SECURITY GMBH (1)
5,963,173 Antenna and transmitter arrangement for EAS system 86 1997
 
WAGNER ELECTRONIC PRODUCTS, INC. (1)
5,671,633 Plate array for moisture sensor with reduced sensitivity to loading effects 67 1996
 
WHIRLWIND, INC. (1)
4,637,289 Work presence controller 75 1984
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (40)
4,326,313 Method of making footwear 68 1979
4,305,442 Saw including resiliently mounted flexible guard means 68 1980
4,391,358 Hardware press and punch apparatus 86 1980
4,576,073 Saw blade guard 58 1983
4,532,844 Device for supporting a circular saw of sawing machine 70 1984
4,621,300 Safety monitoring system for punch press operators 74 1984
4,566,512 Router attachment 77 1985
4,657,428 Quick change mechanism for circular saw blades and other spinning disc devices 106 1985
4,792,965 Oscillator system for detecting a selected one of a plurality of tuned circuits 82 1987
4,907,679 Catch device for a roll-up door, grate, grill or the like 45 1989
5,052,255 Speed brake 76 1989
5,265,510 Material working and tool control system 70 1992
5,231,906 Table saw guard 65 1992
5,401,928 Safety control for power tool 68 1993
5,377,571 Safety guard system for band saws and similar equipment 68 1993
6,418,829 Power tool safety device 97 1994
5,510,685 Electric motor control based on conductive contact of machine component with operator for injury prevention 71 1994
5,503,059 Vehicle disabling device and method 79 1995
5,587,618 Direct current homopolar machine 74 1995
5,667,152 Safety system for a wood chipper 99 1995
5,782,001 Circular saw guard hold and release device 90 1996
5,791,441 Brake failure monitoring system 69 1996
5,942,975 Method and a device for sensing the distance between a first object and a second object 132 1998
6,095,092 Apparatus and method for confining an animal within a boundary 82 1999
6,796,208 Sawdust collection hood for table saw 58 1999
6,536,536 Power tools 177 2000
6,578,460 Blade guard assembly 72 2000
6,578,856 Collapsible portable saw stand 88 2000
6,546,835 Saw blade adjusting device for table saw 81 2001
2003/0037,655 Catch structure of rotary cover plate of circular sawing machine 58 2001
6,619,348 Adjustable and extendible platform for working table 76 2002
6,874,399 Cutting machine with built-in miter cutting feature 62 2002
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009
2009/0132,648 CONTENT DELIVERY AND GLOBAL TRAFFIC MANAGEMENT NETWORK SYSTEM 2009

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
SD3, LLC (25)
7,610,836 Replaceable brake mechanism for power equipment 0 2001
7,600,455 Logic control for fast-acting safety system 12 2001
7,284,467 Apparatus and method for detecting dangerous conditions in power equipment 25 2001
7,712,403 Actuators for use in fast-acting safety systems 2 2002
7,197,969 Logic control with test mode for fast-acting safety system 31 2002
7,290,472 Miter saw with improved safety system 15 2004
8,061,245 Safety methods for use in power equipment 0 2004
7,827,890 Table saws with safety systems and systems to mount and index attachments 3 2005
7,228,772 Brake positioning system 19 2005
7,788,999 Brake mechanism for power equipment 1 2006
7,525,055 Switch box for power tools with safety systems 12 2006
7,347,131 Miter saw with improved safety system 12 2006
7,421,315 Detection system for power equipment 20 2006
7,359,174 Motion detecting system for use in a safety system for power equipment 13 2006
7,836,804 Woodworking machines with overmolded arbors 0 2006
7,591,210 Discrete proximity detection system 14 2007
7,866,239 Elevation mechanism for table saws 1 2007
7,827,893 Elevation mechanism for table saws 0 2007
7,832,314 Brake positioning system 1 2007
7,921,754 Logic control for fast-acting safety system 0 2009
7,895,927 Power equipment with detection and reaction systems 5 2010
8,196,499 Power equipment with detection and reaction systems 3 2010
8,191,450 Power equipment with detection and reaction systems 3 2010
8,151,675 Logic control for fast-acting safety system 1 2011
8,408,106 Method of operating power equipment with detection and reaction systems 0 2012
 
ROBERT BOSCH GMBH (10)
8,051,758 Injury mitigation system for power tools 4 2008
8,327,744 Table saw with reset mechanism 0 2009
8,316,748 Table saw with alignment plate 0 2009
8,297,159 Table saw with dropping blade 0 2009
8,291,801 Table saw with ratchet mechanism 0 2009
8,286,537 Table saw with pressure operated actuator 0 2009
8,250,957 Table saw with linkage drop system 0 2009
8,245,612 Table saw with swing arm support 0 2009
8,210,076 Table saw with mechanical fuse 0 2009
8,186,258 Table saw with actuator reset mechanism 0 2009
 
AURORA OFFICE EQUIPMENT CO., LTD. SHANGHAI (5)
8,201,766 Pins or staples removable structure of automatic shredders 0 2009
8,146,845 Automatic shredder without choosing the number of paper to be shredded 1 2009
8,087,599 Anti-paper jam protection device for shredders 0 2009
8,018,099 Touch-sensitive paper shredder control system 0 2009
8,008,812 Paper shredder control system responsive to touch-sensitive element 0 2010
 
POWER TOOL INSTITUTE (3)
7,628,101 Pyrotechnic drop mechanism for power tools 14 2006
7,739,934 Detection system for power tool 2 2008
8,074,546 Pyrotechnic drop mechanism for power tools 0 2009
 
ROBERT BOSCH TOOL CORPORATION (1)
8,316,747 Table saw riving knife 0 2010
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (1)
8,082,825 Health and safety system for a table saw 1 2009

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