Makita | 4399DW | (12) Unlted States Patent (10) Patent N0.: US 8,152,516 B2

US008152516B2
(12) Unlted States Patent
(10) Patent N0.:
Harvey et a].
(54)
(45) Date of Patent:
EQUINE DENTAL GRINDING APPARATUS
.
.
(75) Inventors‘ ‘;°hn.B:IHgWey’
“WIS
-
Long?’ “S ms)’
enry’
Om’
_
(U )
(73)
Assignee: Flexi-Float, LLC, Spnng Valley, WI
(Us)
(*)
Notice:
Subject to any disclaimer, the term ofthis
2/1988 de Estrada
5,851,111 A
12/1998 Long et al.
5,888,064 A
3/1999
7,029,274 B1 *
4/2006 Capps ............................. .. 433/1
7,033,169 B2*
4/2006
7,101,176 B1*
7,172,415 B2*
9/2006 Capps ....... ..
2/2007 Harvey et al.
433/1
433/1
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'
'
'
'
Tlhls patent is subJect to a terminal d1s
_
C almer-
(21)
Appl. No.: 10/942,324
(22)
Filed:
7,238,021 B1*
7/2007 Johnson .... ..
433/1
252232
DE
30-02-386
DE
3002386
Se
29 2005
p‘
’
Related US. Application Data
_
_
_
_
_
433/1
“M948
A1
7/1981
* 7/l98l
3002386 Al *
7/1981
FR
1.052.653
1/1954
FR
2775585
9/1999
GB
838501
6/1960
JP
9075379
3/1997
Prior Publication Data
Us Zoos/0214706 A1
Furney
FOREIGN PATENT DOCUMENTS
CH
DE
Sep. 15, 2004
Stubbs
8/2001 Rach et a1.
2003/0228552 A1 * 12/2003 Dlpletro """""""""""""" " 433“
patent is extended or adjusted under 35
U.S.C. 154(b) by 0 days.
*Apr. 10, 2012
4,722,685 A
6,273,712 B1
_
(65)
US 8,152,516 B2
OTHER PUBLICATIONS
MakitaCorporation,“CordlessEquineRasp”,InstructionManualfor
Models 43991) and 4399DW, Jan. 22, 1993, Makita Corporation,
A1110, Aichi, Japan, 12 P9899
Milwaukee
Electric
Tool
Corporation,
“Heavy Duty Cordless
(63) comlnuanon'm'pan of apphcanon No- 10/719,572:
Reversing ScrewdriverwithAdjustable Clutch”, Care and Operating
?led On NOV- 22, 2003, HOW Pat- NO- 7,172,415
Instructions, Publication Date Unknown, Milwaukee Electric Tool
Corporation, Brook?eld, Wisconsin, USA, 3 pages.
(51)
Int. Cl.
_
A61D 5/00
(2006.01)
(52)
U.S.Cl. .......................................... .. 433/1; 433/130
(58)
Field ofClassi?cation Search ............ .. 433/1, 116,
See application ?le for complete search history.
(56)
References Cited
575,407
670,086
7415 19
854,955
994,483
1,151,197
2,442,033
U.S. PATENT DOCUMENTS
A
l/ 1897 Wirsching
A
3/1901 Stanbrough
A
10/1903 Mahtffy
A
5/1907 Martln
A
6/ 1911 Sklar
A
8/1915 Lang
A
5/1948 Brantly et a1.
_
* med by examlner
P _
E
_
("my mmmerf
R 1 hL
aP_
_
eWls
Joseph
AZZOI’I’IEy,
W- Byrne
Agent, 01'' F177” i Boardman &
(57)
ABSTRACT
An apparatus for grinding the teeth of horses is disclosed. The
apparatus includes a tool body. A drive shaft is disposed
inside of the tool body. A drive mechanism is connected to
one end of the drive shaft. A grinding member is connected to
the other end of the drive shaft. The grinding member can
.
.
.
plvot through a range of angles relative to the drlve shaft.
55 Claims, 26 Drawing Sheets
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