US2572326A - Circular saw guard - Google Patents
Circular saw guard Download PDFInfo
- Publication number
- US2572326A US2572326A US100996A US10099649A US2572326A US 2572326 A US2572326 A US 2572326A US 100996 A US100996 A US 100996A US 10099649 A US10099649 A US 10099649A US 2572326 A US2572326 A US 2572326A
- Authority
- US
- United States
- Prior art keywords
- guard
- saw
- circular saw
- link
- work piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G19/00—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws
- B27G19/02—Safety guards or devices specially adapted for wood saws; Auxiliary devices facilitating proper operation of wood saws for circular saws
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/202—With product handling means
- Y10T83/2074—Including means to divert one portion of product from another
- Y10T83/2077—By kerf entering guide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/768—Rotatable disc tool pair or tool and carrier
- Y10T83/7734—With guard for tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/872—With guard means
Definitions
- Said improved circular saw guard has at its forward portion pivotal means to which is pivoted one end of a link, the latter being also pivotally connected at itsother end to stationary means on a saw bench, whereby when a work piece is being fed to the forward end of the guard the said link will be tilted to lift :the'forward end of the guard by the pivoting on said pivotal connections of said link and guard until the guard is in balanced position to lie on the top of the work piece, and when said balanced position is passed the link and the forward part of the guard will be allowed to descend to the upper surface of the table of the saw bench, and when the work piece has been fed from beneath the rear end of the guard the latter end of the guard will descend to the upper surface of the table of the saw bench, so that the guard will completely cover the portion of the circular saw projecting above the upper surface of the table of the saw bench.
- Fig. 1 is a perspective view of a saw guard according to the invention shown applied to the table of a saw bench;
- Fig. 2 is a longitudinal sectional elevation through the saw guard.
- the table I of a saw bench has secured thereto in any well known manner a circular saw blade 2. There is also secured to the table I a riving knif 3.
- the guard 4 can take over and cover the portion of the blade 2 which projects through a slot in the table I.
- Guard 4 consists of a semi-circular shaped hood 5 and a pair of spaced vertically disposed side walls 6, the latter bein disposed in parallelism with the blade 2.
- the bottom edges I of the side walls 6 are straight and are disposed in parallelism with the upper surface of the table I.
- a lug 8 On the rear end of the guard 4 there may be a lug 8 to which is pivotally connectible one end of a vertically disposed radius arm I having an elongated slot II.
- a fixed pin I2 projects, the pin I2 being mounted on one end of a horizontal limb I3 of a bracket I4 which is suitably mounted on the upper surface of the table I.
- a trunnion pin I6 Pivotally mounted on the trunnion pins I6 is a saddle I'I Whose top is con- 2 Claims.- (Cl. 143-159) nectible to one end of a wire rope I 8 which passes over a pair of spaced rotatable sheaves I9 and 20 mounted in a bracket 2
- the forward end of the guard 4 has affixed on each side wall 6 a trunnion pin 25. To the pins 25 is pivotally connected one end of a bifurcated link 26, whose other end is pivotally connected to a second horizontal limb 21 associated with the bracket I4. The forward end of the guard 4 is curvedly nosed as at 28.
- bottom edges 1 of the walls 6 of the guard 4 normally rest on the table I.
- a work piece 30 is fed along the table I to abut the forward end of the guard 4, such piece 30 engages with the link 26, whereby the forward end of the guard 4 is raised, thereby allowing the work piece 30 to contact the saw blade 2.
- the guard 4 is radially raised (see dotted position A Fig. 2) until the leading end 3
- the bottom edges 1 of the forward end of the walls 6 of the guard 4 will rest upon the upper surface of the work piece 30.
- the guard 4 will automatically tilt on the pins I6 (see dotted position B Fig. 2), whereby the link 26 and the forward end of the guard 4 will rest upon the upper surface of the table I, thereby allowing the adjacent portion of the saw blade 2 to be covered by the guard 4 and guarded from contact by a person.
- a circular saw guard to be mounted on a saw bench and including a semicircular shaped hood and a pair of spaced vertically disposed side walls integral therewith, said walls being disposed in parallelism with the blade of the saw, and the bottom edges of said side wall being straight and disposed normally in parallelism with the upper surface of said saw bench and having at the forward portion thereof pivotal means, a link, one end of which is pivoted thereto, stationary means to which the link is pivotally connected at its other end, said stationary means being located on said saw bench, said guard also including ri-vring :kniie secured -.to the top .of said saw bench and "disposed between said side walls adjacent the rear end portion thereof, and said guard also including at the rear end thereof a lug, said stationary means including a horizontal limb, a fixed pin mounted on one end of said horizontal limb, and a vertically disposed radius arm having on one end portion an elongated slot into which said fixed pin slidably fits, and the other end being pivot
- a circular saw guard including a trunnion pin mounted on each of said walls medially of the length of said walls and adjacent the bottom edge thereof, a saddle pivotlally mounted on said 4911 15, :spaced sheaves rotatably mounted on saidsstationarymeans, a rope passing over said sheaves and having one end connected to the top of said saddle, and a. counterweight carried by the other end of said rope', bal-'ance the weight of the guard, while also allowing it toswing in said saddle.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Description
Oct. 23, 1951 M. c. EVANS CIRCULAR SAW GUARD Filed June 24, 1949 CM Mm i WM mm We W V m Patented Oct. 23, 1951 CIRCULAR SAW GUARD Mervyn Camille Evans, Stanmore, near Sydney, New South Wales, Australia Application June 24, 1949, Serial No. 120,996
, In Australia July 12, 1948 This invention relates to improvements in circular saw guards. v
Said improved circular saw guard has at its forward portion pivotal means to which is pivoted one end of a link, the latter being also pivotally connected at itsother end to stationary means on a saw bench, whereby when a work piece is being fed to the forward end of the guard the said link will be tilted to lift :the'forward end of the guard by the pivoting on said pivotal connections of said link and guard until the guard is in balanced position to lie on the top of the work piece, and when said balanced position is passed the link and the forward part of the guard will be allowed to descend to the upper surface of the table of the saw bench, and when the work piece has been fed from beneath the rear end of the guard the latter end of the guard will descend to the upper surface of the table of the saw bench, so that the guard will completely cover the portion of the circular saw projecting above the upper surface of the table of the saw bench.
Other features of the invention are hereinafter referred to.
The invention will be described further in detail and by way of example with reference to the accompanying drawings, in which:
Fig. 1 is a perspective view of a saw guard according to the invention shown applied to the table of a saw bench; and
Fig. 2 is a longitudinal sectional elevation through the saw guard.
The table I of a saw bench has secured thereto in any well known manner a circular saw blade 2. There is also secured to the table I a riving knif 3. The guard 4 can take over and cover the portion of the blade 2 which projects through a slot in the table I. Guard 4 consists of a semi-circular shaped hood 5 and a pair of spaced vertically disposed side walls 6, the latter bein disposed in parallelism with the blade 2. The bottom edges I of the side walls 6 are straight and are disposed in parallelism with the upper surface of the table I.
On the rear end of the guard 4 there may be a lug 8 to which is pivotally connectible one end of a vertically disposed radius arm I having an elongated slot II. Into the latter a fixed pin I2 projects, the pin I2 being mounted on one end of a horizontal limb I3 of a bracket I4 which is suitably mounted on the upper surface of the table I.
Medially disposed of the length of the guard 4 and near the bottom of each of the side walls 6 is a trunnion pin I6. Pivotally mounted on the trunnion pins I6 is a saddle I'I Whose top is con- 2 Claims.- (Cl. 143-159) nectible to one end of a wire rope I 8 which passes over a pair of spaced rotatable sheaves I9 and 20 mounted in a bracket 2| which is associated with the bracket I4. The other end of the rope I8 is shown connected to a counterweight 22 to permit weight balancing of the guard 4 while also allowing the latter to swing in the saddle IT. The latter can slide upwardly and downwardly within the vertically disposed U-shaped gap 23 in the bracket The forward end of the guard 4 has affixed on each side wall 6 a trunnion pin 25. To the pins 25 is pivotally connected one end of a bifurcated link 26, whose other end is pivotally connected to a second horizontal limb 21 associated with the bracket I4. The forward end of the guard 4 is curvedly nosed as at 28.
-In operation, bottom edges 1 of the walls 6 of the guard 4 normally rest on the table I. As a work piece 30 is fed along the table I to abut the forward end of the guard 4, such piece 30 engages with the link 26, whereby the forward end of the guard 4 is raised, thereby allowing the work piece 30 to contact the saw blade 2. As the work piece 30 is fed forwardly on the table I the guard 4 is radially raised (see dotted position A Fig. 2) until the leading end 3| of the work piece 30 almost reaches beneath the bottom of the saddle I1. On the end 3| of the work piece 30 passing beyond the saddle H, the bottom edges 1 of the forward end of the walls 6 of the guard 4 will rest upon the upper surface of the work piece 30.
As the rear end 32 of the work piece 30 passes from underneath the saddle I I, the guard 4 will automatically tilt on the pins I6 (see dotted position B Fig. 2), whereby the link 26 and the forward end of the guard 4 will rest upon the upper surface of the table I, thereby allowing the adjacent portion of the saw blade 2 to be covered by the guard 4 and guarded from contact by a person.
When the work piece 30 passes from underneath the guard 4, the latter will automatically resume normal position thereof completely over the saw blade and on the upper surface of the table I.
What I claim as my invention and desire to secure by Letters Patent is:
l. A circular saw guard to be mounted on a saw bench and including a semicircular shaped hood and a pair of spaced vertically disposed side walls integral therewith, said walls being disposed in parallelism with the blade of the saw, and the bottom edges of said side wall being straight and disposed normally in parallelism with the upper surface of said saw bench and having at the forward portion thereof pivotal means, a link, one end of which is pivoted thereto, stationary means to which the link is pivotally connected at its other end, said stationary means being located on said saw bench, said guard also including ri-vring :kniie secured -.to the top .of said saw bench and "disposed between said side walls adjacent the rear end portion thereof, and said guard also including at the rear end thereof a lug, said stationary means including a horizontal limb, a fixed pin mounted on one end of said horizontal limb, and a vertically disposed radius arm having on one end portion an elongated slot into which said fixed pin slidably fits, and the other end being pivot-ally secured to said lug whereby when a work piece is'being fed to the forward end of the guard, said link will Kbe tilted to lift the forward end of the guard by thepivoting ion the pivotal connection of said link and guard, until the guard is in balanced position tolie on the top=of the work ;-piece,, rand when said ibalanced'position-is passed, the link and .the forward part -of the guard will be tal- .lowcd to descend :to the upper surface of said 25 -saw bench, and when the workpiece has :been led from beneath the rearend of the guard the latter end of the guard 'wil descend to the upper surface of said saw bench, so that the guard will completely cover the portion of the circular saw projecting above the upper surface of said bench.
2. A circular saw guard according to claim 7, including a trunnion pin mounted on each of said walls medially of the length of said walls and adjacent the bottom edge thereof, a saddle pivotlally mounted on said 4911 15, :spaced sheaves rotatably mounted on saidsstationarymeans, a rope passing over said sheaves and having one end connected to the top of said saddle, and a. counterweight carried by the other end of said rope', bal-'ance the weight of the guard, while also allowing it toswing in said saddle.
MERVYN CAMILIE EVANS.
:REEERENCES CITED The following references are of record in the file of patent:
UNITED STATES PATENTS
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2572326X | 1948-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2572326A true US2572326A (en) | 1951-10-23 |
Family
ID=3838478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US100996A Expired - Lifetime US2572326A (en) | 1948-07-12 | 1949-06-24 | Circular saw guard |
Country Status (1)
Country | Link |
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US (1) | US2572326A (en) |
Cited By (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880032A (en) * | 1973-08-22 | 1975-04-29 | Dwight C Green | Feeler operated saw guard |
US4026174A (en) * | 1974-12-18 | 1977-05-31 | Justo Vidaller Fierro | Guard for circular saw |
US4549456A (en) * | 1983-09-07 | 1985-10-29 | Centre De Recherche Industrielle Du Quebec | Noise damping guard for circular saws |
DE9316426U1 (en) * | 1993-08-16 | 1994-12-22 | Lachhammer Adalbert | Protection device for a circular saw |
US20020017182A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Brake positioning system |
US20020017178A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Motion detecting system for use in a safety system for power equipment |
US20020017179A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Miter saw with improved safety system |
US20020017183A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Cutting tool safety system |
US20020056348A1 (en) * | 2000-09-29 | 2002-05-16 | Gass Stephen F. | Miter saw with improved safety system |
US20020056350A1 (en) * | 2000-09-29 | 2002-05-16 | Gass Stephen F. | Table saw with improved safety system |
US20020059855A1 (en) * | 2000-09-29 | 2002-05-23 | Gass Stephen F. | Miter saw with improved safety system |
US20020170400A1 (en) * | 2001-05-17 | 2002-11-21 | Gass Stephen F. | Band saw with improved safety system |
US20030015253A1 (en) * | 2001-07-18 | 2003-01-23 | Gass Stephen F. | Router with improved safety system |
US20030019341A1 (en) * | 2001-07-27 | 2003-01-30 | Gass Stephen F. | Safety systems for band saws |
US20030037651A1 (en) * | 2001-08-13 | 2003-02-27 | Gass Stephen F. | Safety systems for power equipment |
US20030056853A1 (en) * | 2001-09-21 | 2003-03-27 | Gass Stephen F. | Router with improved safety system |
US6578460B2 (en) * | 2000-12-26 | 2003-06-17 | James A. Sartori | Blade guard assembly |
US6813983B2 (en) | 2000-09-29 | 2004-11-09 | Sd3, Llc | Power saw with improved safety system |
US6826988B2 (en) | 2000-09-29 | 2004-12-07 | Sd3, Llc | Miter saw with improved safety system |
US20040255745A1 (en) * | 2003-06-23 | 2004-12-23 | One World Technologies Limited | Table saw guard assembly |
US6877410B2 (en) | 2000-09-29 | 2005-04-12 | Sd3, Llc | Miter saw with improved safety system |
US6945149B2 (en) | 2001-07-25 | 2005-09-20 | Sd3, Llc | Actuators for use in fast-acting safety systems |
US6957601B2 (en) | 2000-08-14 | 2005-10-25 | Sd3, Llc | Translation stop for use in power equipment |
US7024975B2 (en) | 2000-08-14 | 2006-04-11 | Sd3, Llc | Brake mechanism for power equipment |
US7055417B1 (en) | 1999-10-01 | 2006-06-06 | Sd3, Llc | Safety system for power equipment |
US7077039B2 (en) | 2001-11-13 | 2006-07-18 | Sd3, Llc | Detection system for power equipment |
US7100483B2 (en) | 2000-08-14 | 2006-09-05 | Sd3, Llc | Firing subsystem for use in a fast-acting safety system |
US7137326B2 (en) | 2000-08-14 | 2006-11-21 | Sd3, Llc | Translation stop for use in power equipment |
US20070056153A1 (en) * | 2005-09-09 | 2007-03-15 | Reinhold Opper | Fastening apparatus and method with compensation for load-induced deformation of supporting frame |
US7197969B2 (en) | 2001-09-24 | 2007-04-03 | Sd3, Llc | Logic control with test mode for fast-acting safety system |
US7210386B1 (en) * | 2005-11-02 | 2007-05-01 | Kingsand Machinery Ltd. | Quickly detachable protective cover unit of a table sawing machine |
US7231856B2 (en) | 2001-06-13 | 2007-06-19 | Sd3, Llc | Apparatus and method for detecting dangerous conditions in power equipment |
US20070163408A1 (en) * | 2006-01-17 | 2007-07-19 | Buck William C | Table saw guard |
US20070186739A1 (en) * | 2006-02-16 | 2007-08-16 | Eastway Fair Company Limited Of Trident Chambers | Riving knife clamp for a table saw |
US20070186741A1 (en) * | 2003-06-23 | 2007-08-16 | Buck William C | Table saw guard assembly |
US7308843B2 (en) | 2000-08-14 | 2007-12-18 | Sd3, Llc | Spring-biased brake mechanism for power equipment |
US7347851B1 (en) | 2004-03-09 | 2008-03-25 | Leo B Kriksunov | Needleless hypodermic jet injector apparatus and method |
US7357056B2 (en) | 2000-09-29 | 2008-04-15 | Sd3, Llc | Cutting tool safety system |
US7377199B2 (en) | 2000-09-29 | 2008-05-27 | Sd3, Llc | Contact detection system for power equipment |
US20080178722A1 (en) * | 2004-01-29 | 2008-07-31 | Gass Stephen F | Table saw with blade shroud |
US7481140B2 (en) | 2005-04-15 | 2009-01-27 | Sd3, Llc | Detection systems for power equipment |
US7509899B2 (en) | 2000-08-14 | 2009-03-31 | Sd3, Llc | Retraction system for use in power equipment |
US7610836B2 (en) | 2000-08-14 | 2009-11-03 | Sd3, Llc | Replaceable brake mechanism for power equipment |
US7707920B2 (en) | 2003-12-31 | 2010-05-04 | Sd3, Llc | Table saws with safety systems |
US7712403B2 (en) | 2001-07-03 | 2010-05-11 | Sd3, Llc | Actuators for use in fast-acting safety systems |
US7836804B2 (en) | 2003-08-20 | 2010-11-23 | Sd3, Llc | Woodworking machines with overmolded arbors |
US7895927B2 (en) | 1999-10-01 | 2011-03-01 | Sd3, Llc | Power equipment with detection and reaction systems |
US7921754B2 (en) | 2000-08-14 | 2011-04-12 | Sd3, Llc | Logic control for fast-acting safety system |
US20110094625A1 (en) * | 2009-10-23 | 2011-04-28 | Zhejiang Shida Tools Manufacture Co., Ltd. | Mobile Hood of Wood-Working Table Saw |
US7991503B2 (en) | 2003-12-31 | 2011-08-02 | Sd3, Llc | Detection systems for power equipment |
US8065943B2 (en) | 2000-09-18 | 2011-11-29 | Sd3, Llc | Translation stop for use in power equipment |
US8079295B2 (en) | 2008-06-20 | 2011-12-20 | Sd3, Llc | Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same |
US8082825B2 (en) | 2009-06-09 | 2011-12-27 | Butler David J | Health and safety system for a table saw |
US20120103156A1 (en) * | 2006-04-25 | 2012-05-03 | Chevron Limited | Guard assembly for a saw blade |
US8459157B2 (en) | 2003-12-31 | 2013-06-11 | Sd3, Llc | Brake cartridges and mounting systems for brake cartridges |
US20140216224A1 (en) * | 2013-02-02 | 2014-08-07 | Nanjing Bovon Power Tools Co., Ltd. | Table saw |
US9724840B2 (en) | 1999-10-01 | 2017-08-08 | Sd3, Llc | Safety systems for power equipment |
US10118308B2 (en) | 2013-10-17 | 2018-11-06 | Sawstop Holding Llc | Systems to mount and index riving knives and spreaders in table saws |
US20200180186A1 (en) * | 2015-12-16 | 2020-06-11 | Black & Decker Inc. | Tile saw |
US10967536B2 (en) | 2011-02-17 | 2021-04-06 | Sawstop Holding Llc | Blade guard for a table saw |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE75134C (en) * | 1892-08-07 | 1894-05-15 | Oppler Hugo | PROTECTIVE DEVICE FOR CIRCULAR SAWS |
GB189821328A (en) * | 1898-10-11 | 1899-05-27 | Frederick Thomas Greenwood | An Improved Guard for Circular Saws and other similar Machinery. |
US1148169A (en) * | 1913-01-06 | 1915-07-27 | Andrew F Howe | Saw-guard. |
FR487226A (en) * | 1916-12-23 | 1918-06-18 | Joseph Rio | Safety device for circular saws |
AT153002B (en) * | 1937-02-16 | 1938-04-11 | Rudolf Hattinger | Protective device for circular saws. |
-
1949
- 1949-06-24 US US100996A patent/US2572326A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE75134C (en) * | 1892-08-07 | 1894-05-15 | Oppler Hugo | PROTECTIVE DEVICE FOR CIRCULAR SAWS |
GB189821328A (en) * | 1898-10-11 | 1899-05-27 | Frederick Thomas Greenwood | An Improved Guard for Circular Saws and other similar Machinery. |
US1148169A (en) * | 1913-01-06 | 1915-07-27 | Andrew F Howe | Saw-guard. |
FR487226A (en) * | 1916-12-23 | 1918-06-18 | Joseph Rio | Safety device for circular saws |
AT153002B (en) * | 1937-02-16 | 1938-04-11 | Rudolf Hattinger | Protective device for circular saws. |
Cited By (100)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3880032A (en) * | 1973-08-22 | 1975-04-29 | Dwight C Green | Feeler operated saw guard |
US4026174A (en) * | 1974-12-18 | 1977-05-31 | Justo Vidaller Fierro | Guard for circular saw |
US4549456A (en) * | 1983-09-07 | 1985-10-29 | Centre De Recherche Industrielle Du Quebec | Noise damping guard for circular saws |
DE9316426U1 (en) * | 1993-08-16 | 1994-12-22 | Lachhammer Adalbert | Protection device for a circular saw |
US7895927B2 (en) | 1999-10-01 | 2011-03-01 | Sd3, Llc | Power equipment with detection and reaction systems |
US7788999B2 (en) | 1999-10-01 | 2010-09-07 | Sd3, Llc | Brake mechanism for power equipment |
US8408106B2 (en) | 1999-10-01 | 2013-04-02 | Sd3, Llc | Method of operating power equipment with detection and reaction systems |
US7055417B1 (en) | 1999-10-01 | 2006-06-06 | Sd3, Llc | Safety system for power equipment |
US10335972B2 (en) | 1999-10-01 | 2019-07-02 | Sawstop Holding Llc | Table Saws |
US9969014B2 (en) | 1999-10-01 | 2018-05-15 | Sawstop Holding Llc | Power equipment with detection and reaction systems |
US9925683B2 (en) | 1999-10-01 | 2018-03-27 | Sawstop Holding Llc | Table saws |
US9724840B2 (en) | 1999-10-01 | 2017-08-08 | Sd3, Llc | Safety systems for power equipment |
US9522476B2 (en) | 1999-10-01 | 2016-12-20 | Sd3, Llc | Power equipment with detection and reaction systems |
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US8151675B2 (en) | 2000-08-14 | 2012-04-10 | Sd3, Llc | Logic control for fast-acting safety system |
US20020017179A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Miter saw with improved safety system |
US9038515B2 (en) | 2000-08-14 | 2015-05-26 | Sd3, Llc | Logic control for fast-acting safety system |
US8191450B2 (en) | 2000-08-14 | 2012-06-05 | Sd3, Llc | Power equipment with detection and reaction systems |
US7225712B2 (en) | 2000-08-14 | 2007-06-05 | Sd3, Llc | Motion detecting system for use in a safety system for power equipment |
US8100039B2 (en) | 2000-08-14 | 2012-01-24 | Sd3, Llc | Miter saw with safety system |
US6857345B2 (en) | 2000-08-14 | 2005-02-22 | Sd3, Llc | Brake positioning system |
US7308843B2 (en) | 2000-08-14 | 2007-12-18 | Sd3, Llc | Spring-biased brake mechanism for power equipment |
US7921754B2 (en) | 2000-08-14 | 2011-04-12 | Sd3, Llc | Logic control for fast-acting safety system |
US6920814B2 (en) | 2000-08-14 | 2005-07-26 | Sd3, Llc | Cutting tool safety system |
US20020017183A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Cutting tool safety system |
US8522655B2 (en) | 2000-08-14 | 2013-09-03 | Sd3, Llc | Logic control for fast-acting safety system |
US6957601B2 (en) | 2000-08-14 | 2005-10-25 | Sd3, Llc | Translation stop for use in power equipment |
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US7681479B2 (en) | 2000-08-14 | 2010-03-23 | Sd3, Llc | Motion detecting system for use in a safety system for power equipment |
US7024975B2 (en) | 2000-08-14 | 2006-04-11 | Sd3, Llc | Brake mechanism for power equipment |
US20020017182A1 (en) * | 2000-08-14 | 2002-02-14 | Gass Stephen F. | Brake positioning system |
US7610836B2 (en) | 2000-08-14 | 2009-11-03 | Sd3, Llc | Replaceable brake mechanism for power equipment |
US7100483B2 (en) | 2000-08-14 | 2006-09-05 | Sd3, Llc | Firing subsystem for use in a fast-acting safety system |
US7137326B2 (en) | 2000-08-14 | 2006-11-21 | Sd3, Llc | Translation stop for use in power equipment |
US7509899B2 (en) | 2000-08-14 | 2009-03-31 | Sd3, Llc | Retraction system for use in power equipment |
US8065943B2 (en) | 2000-09-18 | 2011-11-29 | Sd3, Llc | Translation stop for use in power equipment |
US6945148B2 (en) | 2000-09-29 | 2005-09-20 | Sd3, Llc | Miter saw with improved safety system |
US6994004B2 (en) | 2000-09-29 | 2006-02-07 | Sd3, Llc | Table saw with improved safety system |
US20020056348A1 (en) * | 2000-09-29 | 2002-05-16 | Gass Stephen F. | Miter saw with improved safety system |
US6877410B2 (en) | 2000-09-29 | 2005-04-12 | Sd3, Llc | Miter saw with improved safety system |
US20020056350A1 (en) * | 2000-09-29 | 2002-05-16 | Gass Stephen F. | Table saw with improved safety system |
US8061245B2 (en) | 2000-09-29 | 2011-11-22 | Sd3, Llc | Safety methods for use in power equipment |
US6826988B2 (en) | 2000-09-29 | 2004-12-07 | Sd3, Llc | Miter saw with improved safety system |
US6880440B2 (en) | 2000-09-29 | 2005-04-19 | Sd3, Llc | Miter saw with improved safety system |
US20020059855A1 (en) * | 2000-09-29 | 2002-05-23 | Gass Stephen F. | Miter saw with improved safety system |
US7357056B2 (en) | 2000-09-29 | 2008-04-15 | Sd3, Llc | Cutting tool safety system |
US7377199B2 (en) | 2000-09-29 | 2008-05-27 | Sd3, Llc | Contact detection system for power equipment |
US8186255B2 (en) | 2000-09-29 | 2012-05-29 | Sd3, Llc | Contact detection system for power equipment |
US7784507B2 (en) | 2000-09-29 | 2010-08-31 | Sd3, Llc | Router with improved safety system |
US6813983B2 (en) | 2000-09-29 | 2004-11-09 | Sd3, Llc | Power saw with improved safety system |
US6578460B2 (en) * | 2000-12-26 | 2003-06-17 | James A. Sartori | Blade guard assembly |
US9927796B2 (en) | 2001-05-17 | 2018-03-27 | Sawstop Holding Llc | Band saw with improved safety system |
US20020170400A1 (en) * | 2001-05-17 | 2002-11-21 | Gass Stephen F. | Band saw with improved safety system |
US7231856B2 (en) | 2001-06-13 | 2007-06-19 | Sd3, Llc | Apparatus and method for detecting dangerous conditions in power equipment |
US7712403B2 (en) | 2001-07-03 | 2010-05-11 | Sd3, Llc | Actuators for use in fast-acting safety systems |
US20030015253A1 (en) * | 2001-07-18 | 2003-01-23 | Gass Stephen F. | Router with improved safety system |
US6945149B2 (en) | 2001-07-25 | 2005-09-20 | Sd3, Llc | Actuators for use in fast-acting safety systems |
US7000514B2 (en) | 2001-07-27 | 2006-02-21 | Sd3, Llc | Safety systems for band saws |
US20030019341A1 (en) * | 2001-07-27 | 2003-01-30 | Gass Stephen F. | Safety systems for band saws |
US20030037651A1 (en) * | 2001-08-13 | 2003-02-27 | Gass Stephen F. | Safety systems for power equipment |
US6997090B2 (en) | 2001-08-13 | 2006-02-14 | Sd3, Llc | Safety systems for power equipment |
US20030056853A1 (en) * | 2001-09-21 | 2003-03-27 | Gass Stephen F. | Router with improved safety system |
US7197969B2 (en) | 2001-09-24 | 2007-04-03 | Sd3, Llc | Logic control with test mode for fast-acting safety system |
US7077039B2 (en) | 2001-11-13 | 2006-07-18 | Sd3, Llc | Detection system for power equipment |
US20070186741A1 (en) * | 2003-06-23 | 2007-08-16 | Buck William C | Table saw guard assembly |
US20040255745A1 (en) * | 2003-06-23 | 2004-12-23 | One World Technologies Limited | Table saw guard assembly |
US7836804B2 (en) | 2003-08-20 | 2010-11-23 | Sd3, Llc | Woodworking machines with overmolded arbors |
US7827893B2 (en) | 2003-12-31 | 2010-11-09 | Sd3, Llc | Elevation mechanism for table saws |
US8489223B2 (en) | 2003-12-31 | 2013-07-16 | Sd3, Llc | Detection systems for power equipment |
US8087438B2 (en) | 2003-12-31 | 2012-01-03 | Sd3, Llc | Detection systems for power equipment |
US8498732B2 (en) | 2003-12-31 | 2013-07-30 | Sd3, Llc | Detection systems for power equipment |
US8122807B2 (en) | 2003-12-31 | 2012-02-28 | Sd3, Llc | Table saws with safety systems |
US7991503B2 (en) | 2003-12-31 | 2011-08-02 | Sd3, Llc | Detection systems for power equipment |
US8459157B2 (en) | 2003-12-31 | 2013-06-11 | Sd3, Llc | Brake cartridges and mounting systems for brake cartridges |
US7866239B2 (en) | 2003-12-31 | 2011-01-11 | Sd3, Llc | Elevation mechanism for table saws |
US7707920B2 (en) | 2003-12-31 | 2010-05-04 | Sd3, Llc | Table saws with safety systems |
US9623498B2 (en) | 2003-12-31 | 2017-04-18 | Sd3, Llc | Table saws |
US8505424B2 (en) | 2004-01-29 | 2013-08-13 | Sd3, Llc | Table saws with safety systems and systems to mount and index attachments |
US10052786B2 (en) | 2004-01-29 | 2018-08-21 | Sawstop Holding Llc | Table saws with safety systems and systems to mount and index attachments |
US10882207B2 (en) | 2004-01-29 | 2021-01-05 | Sawstop Holding Llc | Table saws with safety systems and systems to mount and index attachments |
US7827890B2 (en) | 2004-01-29 | 2010-11-09 | Sd3, Llc | Table saws with safety systems and systems to mount and index attachments |
US20080178722A1 (en) * | 2004-01-29 | 2008-07-31 | Gass Stephen F | Table saw with blade shroud |
US7347851B1 (en) | 2004-03-09 | 2008-03-25 | Leo B Kriksunov | Needleless hypodermic jet injector apparatus and method |
US7481140B2 (en) | 2005-04-15 | 2009-01-27 | Sd3, Llc | Detection systems for power equipment |
US20070056153A1 (en) * | 2005-09-09 | 2007-03-15 | Reinhold Opper | Fastening apparatus and method with compensation for load-induced deformation of supporting frame |
US7210386B1 (en) * | 2005-11-02 | 2007-05-01 | Kingsand Machinery Ltd. | Quickly detachable protective cover unit of a table sawing machine |
US20070095185A1 (en) * | 2005-11-02 | 2007-05-03 | Kingsand Machinery Ltd. | Quickly detachable protective cover unit of a table sawing machine |
US20070163408A1 (en) * | 2006-01-17 | 2007-07-19 | Buck William C | Table saw guard |
US20070186739A1 (en) * | 2006-02-16 | 2007-08-16 | Eastway Fair Company Limited Of Trident Chambers | Riving knife clamp for a table saw |
US20120103156A1 (en) * | 2006-04-25 | 2012-05-03 | Chevron Limited | Guard assembly for a saw blade |
US8079295B2 (en) | 2008-06-20 | 2011-12-20 | Sd3, Llc | Table saw blade guards and blade guard assemblies including lateral blade guards, and table saws including the same |
US8082825B2 (en) | 2009-06-09 | 2011-12-27 | Butler David J | Health and safety system for a table saw |
US20110094625A1 (en) * | 2009-10-23 | 2011-04-28 | Zhejiang Shida Tools Manufacture Co., Ltd. | Mobile Hood of Wood-Working Table Saw |
US11027452B2 (en) | 2011-02-17 | 2021-06-08 | Sawstop Holding Llc | Blade guard for a table saw |
US10967536B2 (en) | 2011-02-17 | 2021-04-06 | Sawstop Holding Llc | Blade guard for a table saw |
US9902001B2 (en) * | 2013-02-02 | 2018-02-27 | Nanjing Bovon Power Tools Co., Ltd. | Table saw |
US20140216224A1 (en) * | 2013-02-02 | 2014-08-07 | Nanjing Bovon Power Tools Co., Ltd. | Table saw |
US10118308B2 (en) | 2013-10-17 | 2018-11-06 | Sawstop Holding Llc | Systems to mount and index riving knives and spreaders in table saws |
US20200180186A1 (en) * | 2015-12-16 | 2020-06-11 | Black & Decker Inc. | Tile saw |
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