Table saws with safety systems

US007707920B2
(12) Ulllted States Patent
(10) Patent N0.:
Gass et al.
(54)
US 7,707,920 B2
(45) Date of Patent:
TABLE SAWS WITH SAFETY SYSTEMS
'
302,041 A
'
May 4, 2010
7/ 1884 Sill
307,112 A
10/1884
(75) Inventors: it?glhellé
(l}ass, \¥11S1OIt1'V1113,RO(f[{Jg)IS);
.
av1
u mer, ua a 1n,
;
509,253 A
11/1893 Shields
David A. Fanning, Vancouver, WA (US)
545’504 A
(73) Assignee: SD3, LLC, Tualatin, OR (US)
Subject‘ to any disclaimer, the term ofthis
9/1895 HO(_)Ver
869,513 A
10/1907 Pfell
941,726 A
11/ 1909 PfalZgmf
997,720 A
( * ) Notice:
Groff
1,037,843 A
7/1911 Troupenat
9/1912 Ackley
patent is extended or adjusted under 35
U.S.C. 154(b) by 992 days.
(21) Appl. No.: 11/026,114
(22)
Filed:
(Continued)
Dec- 31, 2004
(65)
FOREIGN PATENT DOCUMENTS
Prior Publication Data
US 2005/0139057 A1
CH
Related US. Application Data
(60)
(51)
6/1954
_
(Continued)
Provisional application No. 60/533,811, ?led on Dec.
31’ 2003
OTHER PUBLICATIONS
Int CL
B23D 45/16
(200601)
Skil Model 3400-Type 1 10“ Table Saw Parts List and Technical
Bulletin, S-B Power Tool Company, Jun. 1993.
B26D 1/14
(2006.01)
(Continued)
(52)
US. Cl. .................... .. 83/781; 83/62.1; 83/DIG. 1;
(58)
Field of Classi?cation Search ................. .. 83/581,
83/471.1; 83/471.3; 83/477.1; 83/491
83/62.1, 781, DIG. 1, 477.2, 477.1, 473,
83/471.1, 468.3, 485, 489, 698.11, 491, 609,
83/508.2, 102.1, 471.3, 471.2, 860, 58; 451/454,
451/455; 409/134; 144/3.1, 130, 286.5,
144/287
(56)
297525
Jun. 30, 2005
Primary ExamineriGhassem Alie
(57)
ABSTRACT
Improved table saWs and table saWs designed to implement
safety systems that detect contact betWeen a person and a
See application ?le fOr complete Search historyReferences Cited
dangerous portion of the saW are disclosed. The table saWs
may include an elevation mechanism, a tilt mechanism, and
US. PATENT DOCUMENTS
betWeen a tilt axis and a blade. The elevation mechanism may
include a vertical slide that includes tWo shafts, and the
an adjustment system con?gured to adjust the parallelism
146,886
162,814
261,090
264,412
299,480
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1/1874
5/1875
7/1882
9/1882
5/1884
Doane et a1.
Graves et al.
Grill
Kuhlmann
Kuhlmann et a1.
adjustment system may include a mechanism to adjust the
parallelism of the tWo shafts.
13 Claims, 20 Drawing Sheets
US 7,707,920 B2
Page2
U.S. PATENT DOCUMENTS
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Adam
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2,722,246 A
11/1955 Arnoldy
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8/1942
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Easnnan
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Richards et al.
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Caldwell etal.
7/195g Gaskell
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Eschenburg
Odlum etal.
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Rentsch etal.
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Richards
Simonton etal.
Edgemond, Jr. et al.
Anderson
Gluck
Vilkaitis
Vnicliard
Cohen
SherWen
Copp
Stiebeletal.
Ambrosio etal.
Edgemond, Jr. et al.
Seeleyetal
Stiebeletal.
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Peterson
3/1964 Packard ..................... .. 83/473
4/1964
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Jurin
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US 7,707,920 B2
Page 3
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12/1965
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5/1966
Bloom
Speer et al.
Miller
Voglet al.
John
Drake et al.
Mytinger
Phillips
Trachte
Mitchell
Stone et al.
4/1969 Hurst, Jr.
5/1969 Fudaley
7/1969
7/1969
5/1970
11/1970
11/1970
1/1971
3/1971
Anderson et al.
Gregory et al.
Frydmann
Warrick et al.
McEwan et al.
Scutella
Crossman
5/1971 Loshbough
6/1971
7/1971
10/1971
11/1971
Warrick
Van Sickle
De Pue
Niksich
6/1972 Pollak et al. ............. .. 83/508.2
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Whipple
Menge
Ridenour
Baur
Bernatschek
Kobayashiet al.
Streander
Struger et al.
Davidson
Niehaus et al.
Mikulecky et al.
Lokey
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12/1975 Fushiya
12/1975 Cooper et al.
1/1976 Luenser
2/1976
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3/1976
3/1976
4/1976
Bassett
Smith
Malm
Fyler
Ballet al.
4/1976 Hayashi
6/1976 Nussbaum
6/1976
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8/1976
9/1976
11/1976
2/1977
4/1977
Lichtblau
Ellis
Marston
Merkelet al.
Faig
Edwards
Weckenmann et al.
5/1977 Fierro
5/1977 Lokey
Wyle etal.
McIntyre et al.
Harkness
Obear et al.
Kaiser
Yoneda
Woloveke et al.
5/1979 Phillips
7/1979 Klos et al.
11/1979
2/1980
4/1980
4/1980
6/1980
Idel
Shaullet al.
Anderson et al.
Lebet et al.
Ashton
6/1980 Biesemeyer
2/1981 Leukhardt et al.
4/1981
5/1981
6/1981
6/1981
A
A
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A
2/1974 Hujer
Friemann et al.
Johnson et al.
Balban
Green
McCarroll
Dow et al.
Sato et al.
3/1978
4/1978
5/1978
5/1978
8/1978
10/1978
3/1979
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4,276,459
4/1974
4/1974
5/1974
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8/1974
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McDaniel et al.
2/1978 Harris
2/1981 Fittery
3,793,915 A
Peter
Scott etal.
Russell
Guetersloh
Anderson
Nymann
Atkins
Zettler
Lieber
4,249,442 A
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Howard et al.
Saar
Colberg et al.
Willett et al.
Muehling
Bauer
Currie
Felix
Cameron
Haeger
Krusemark et al.
Mitchell et al.
Davis
Thesman
Betsill
Anderson, 111 et al.
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5/1985
7/1985
8/1985
12/1985
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Anderson et al.
Hoffman
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Laskowskiet al.
12/1985 DeWoody et al.
1/1986
3/1986
3/1986
5/1986
5/1986
7/1986
7/1986
Wilson
Andreasson
Stinson
Gaus et al.
Brandenstein et al.
Rotbart
Eccardt et al.
4,606,251 A
4,615,247 A
4,621,300 A
8/1986 Boileau
10/1986 Berkeley
11/1986 Summerer
4,625,604
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4,637,289
4,644,832
4,653,189
12/1986 Handler et al.
1/1987 Crothers
1/1987 Ramsden
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4,657,428 A
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2/1987
3/1987
4/1987
6/1987
Smith
Andreasson
Wiley
Tholome
Cloutier et al.
Kramer
Hornung et al.
Kwan
Olsen et al.
Jonsson et al.
Dehariet al.
12/1988 Morgan
2/1989 Fushiya et al.
6/1987
7/1987
1/1988
6/1988
7/1988
7/1988
10/1988
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5,199,343
5,201,110
5,201,684
5,206,625
5,207,253
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5,218,189
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5,231,906
5,239,978
5,245,879
5,257,570
5,265,510
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5,285,708
5,293,802
5,320,382
5,321,230
5,331,875
5,353,670
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5,510,587
5,510,685
5,513,548
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5,572,916
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Ingraham
Yamauchi
Rangeard et al.
Shimomura et al.
Taylor et al.
Hall et al.
Duimstra
Menke
Brundage et al.
Reyes
Herman
Hughes et al.
McCullough et al.
Edwards et al.
Sasaki et al.
Dubois, III
Brundage et al.
Julien et al.
Gaines
King
Hughes et al.
Wardlaw
Townsend
TurcZyn et al.
Becht et al.
Shiotani et al.
Johnson
Townsend
Svetlik et al.
Lee
McCullough et al.
OBanion
Bane
DeBois, 111
Davis
Hoshino et al.
Panter
Hutchison
Masuda et al.
Kogej
Plangetis
McKeon
Shiotani et al.
Hoyer-Ellefsen
McCullough et al.
Piccoli et al.
Bosten et al.
Shiotani et al.
Goldstein et al.
Shanklin et al.
May?eld
MetZger, Jr.
Reulein et al.
Josephs
Howard, Jr. et al.
Sasaki et al.
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Hathaway
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Eccleston
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Garuglieri
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PuZio et al.
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ItZov
Sorensen
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Benedict et al.
Lian et al.
Tsune
Johnson et al.
Tajima et al.
Rival et al.
Woods et al.
Welsh et al.
Steckler et al.
Ceroll et al.
Sakamaki
Chou
Yu
Devine
PuZio et al.
Shieh et al.
GarZon
Schmidt et al.
Ceroll et al.
Hokodate et al.
Ceroll et al.
Sommerville
Ceroll et al.
Ceroll et al.
Nonoyama et al.
Doherty
Nishio et al.
Nilsson et al.
Stegall et al.
Ceroll et al.
Reddi
Suzuki et al.
Kayama et al.
Sutton
Pilchowski
Bobbio
Miller et al.
Jabbari
US 7,707,920 B2
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FOREIGN PATENT DOCUMENTS
76186
@1921
2800403
M979
3427733
4235161 A1
4326313
19609771
146460
2152184
2556643
2570017
598204
1132708
2096844
1/1986
5/1993
“995
6/1998
11/1988
1/2001
6/1985
3/1986
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11/1968
10/1982
US 7,707,920 B2
Page 6
GB
2142571
1/1985
INCRA Incremental Micro Precision Table Saw Fence Owner’s
Manual, Taylor Design Group, Inc., 2003.
OTHER PUBLICATIONS
Shop FoX® Fence Operating Manual, Woodstock International, Inc.,
1996, revised May 1997.
EXcaliber T-Slot Precision Saw Fence Model TT45 Owner’s Manual,
Sommerville Design & Manufacturing, Inc., May 2000.
Bosch Model 4000 Worksite Table Saw Operating/Safety Instruc
tions, S-B Power Tool Company, Jul. 2000.
XACTA Fence IITM Homeshop 30/52 Owner’s Manual, Jet Equip
ment & Tools, Mar. 2001.
XACTA Fence IITM Commercial 30/50 Owner’s Manual, Jet Equip
ment & Tools, Mar. 2001.
Bosch 10“ Table Saw Model 0601476139 Parts List and Technical
Bulletin, S-B Power Tool Company, Apr. 2001.
Biesemeyer® T-Square® Universal Home Shop Fence system
Instruction Manual, Delta Machinery, Jun. 1, 2001.
Powermatic 10“ Tilting Arbor Saw Model 66 Instruction Manual &
Shop FoX® Models W2005, W2006, W2007 Classic Fence Instruc
tion Manual, Woodstock International, Jan. 2000, revised Mar. 2004.
ACCU-FENCE® 64A Fence and Rail System Owner’s Manual,
WMH Tool Group, Sep. 2004.
UnifenceTM Saw Guide Instruction Manual, Delta Machinery, Feb.
22, 2005.
Biesemeyer® T-Square® Commercial Fence System Instruction
Manual, Delta Machinery, May 2, 2005.
Laguna Tools table saw owner’s manual, date unknown.
Analog Devices, Inc., 3-Axis Capacitive SensoriPreliminary Tech
nical Data AD7103, pp. 1-40, © 1998.
Gordon Engineering Corp., Product Catalog, Oct. 1997, pp. cover, 1,
3 and back; Brook?eld, Connecticut, US.
US. Appl. No. 60/157,340, ?led Oct. 1, 1999, entitled “Fast-Acting
Safety Stop.”
U.S. Appl. No. 60/182,866, ?led Feb. 16, 2000, entitled “Fast-Acting
Safety Stop.”
IWF 2000 Challengers Award Of?cial Entry Form, submitted Apr.
26, 2000, 6 pages plus CD (the portions of US. patent applications
Parts List, Jet Equipment & Tools, Jun. 2001.
Skil Model 3400 Table Saw Operating/ Safety Instructions, S-B
Power Tool Company, Sep. 2001.
The Merlin Splitter by Excalibur a Sommerville Design Product
Overview & Generic Installation Notes, Sommerville Design &
referenced in the form are from US. Appl. No. 60/157,340, ?led Oct.
Manufacturing Inc., at least as early as 2002.
* cited by examiner
1, 1999 and US. Appl. No. 60/182,866, ?led Feb. 16,2000).
You Should Have Invented It, French television show CD.
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