GB2015904A – Chuck Assembly for Dental Handpieces
– Google Patents
GB2015904A – Chuck Assembly for Dental Handpieces
– Google Patents
Chuck Assembly for Dental Handpieces
Info
Publication number
GB2015904A
GB2015904A
GB7842820A
GB7842820A
GB2015904A
GB 2015904 A
GB2015904 A
GB 2015904A
GB 7842820 A
GB7842820 A
GB 7842820A
GB 7842820 A
GB7842820 A
GB 7842820A
GB 2015904 A
GB2015904 A
GB 2015904A
Authority
GB
United Kingdom
Prior art keywords
bur
chuck
clamping section
chuck assembly
dental handpieces
Prior art date
1978-03-10
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.)
Granted
Application number
GB7842820A
Other versions
GB2015904B
(en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Hospital Supply Corp
Original Assignee
American Hospital Supply Corp
Priority date (The priority date 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 date listed.)
1978-03-10
Filing date
1978-11-01
Publication date
1979-09-19
1978-11-01
Application filed by American Hospital Supply Corp
filed
Critical
American Hospital Supply Corp
1979-09-19
Publication of GB2015904A
publication
Critical
patent/GB2015904A/en
1982-06-23
Application granted
granted
Critical
1982-06-23
Publication of GB2015904B
publication
Critical
patent/GB2015904B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
B23B31/02—Chucks
B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
B23B31/201—Characterized by features relating primarily to remote control of the gripping means
B23B31/202—Details of the jaws
A—HUMAN NECESSITIES
A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
A61C1/08—Machine parts specially adapted for dentistry
A61C1/14—Tool-holders, i.e. operating tool holders, e.g. burr holders
A61C1/142—Operating tool blocking means
A61C1/144—Operating tool blocking means constricting the operating tool, e.g. chuck
Abstract
A chuck assembly for dental handpieces includes a tubular chuck (22) formed with a radially-flexible bur-clamping section (22c) provided with an external shoulder (27), and a rotary tube member 15 having a bore in which the chuck is received and defining an internal shoulder (21) engageable with the external shoulder of the bur-clamping section of the chuck during relative axial movement to flex the bur-clamping section inwardly and to hold the same in a constricted condition for securely gripping the mid-portion of the shank of a dental bur.
GB7842820A
1978-03-10
1978-11-01
Chuck assembly for dental handpieces
Expired
GB2015904B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US88529078A
1978-03-10
1978-03-10
Publications (2)
Publication Number
Publication Date
GB2015904A
true
GB2015904A
(en)
1979-09-19
GB2015904B
GB2015904B
(en)
1982-06-23
Family
ID=25386567
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7842820A
Expired
GB2015904B
(en)
1978-03-10
1978-11-01
Chuck assembly for dental handpieces
Country Status (4)
Country
Link
JP
(1)
JPS58337B2
(en)
DE
(1)
DE2854297A1
(en)
FR
(1)
FR2419062A1
(en)
GB
(1)
GB2015904B
(en)
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0035554A1
(en)
*
1979-09-12
1981-09-16
American Hospital Supply Corporation
Chuck assembly for dental handpieces
US5011408A
(en)
*
1987-12-28
1991-04-30
Takasuke Nakanishi
Chuck device for dental handpiece
US5716056A
(en)
*
1996-05-09
1998-02-10
Bokram; William E.
Internally squeezing sealable collet
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS5710652Y2
(en)
*
1978-04-12
1982-03-02
JPS55116614U
(en)
*
1979-02-09
1980-08-18
CH669326A5
(en)
*
1986-04-02
1989-03-15
Peter Reinhard
JP2006142428A
(en)
*
2004-11-18
2006-06-08
Ono Seisakusho:Kk
Holder for cutting tool
1978
1978-10-24
JP
JP53130955A
patent/JPS58337B2/en
not_active
Expired
1978-11-01
GB
GB7842820A
patent/GB2015904B/en
not_active
Expired
1978-12-15
DE
DE19782854297
patent/DE2854297A1/en
not_active
Withdrawn
1979
1979-01-19
FR
FR7901393A
patent/FR2419062A1/en
active
Granted
Cited By (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
EP0035554A1
(en)
*
1979-09-12
1981-09-16
American Hospital Supply Corporation
Chuck assembly for dental handpieces
EP0035554A4
(en)
*
1979-09-12
1982-04-22
American Hospital Supply Corp
Chuck assembly for dental handpieces.
US5011408A
(en)
*
1987-12-28
1991-04-30
Takasuke Nakanishi
Chuck device for dental handpiece
US5716056A
(en)
*
1996-05-09
1998-02-10
Bokram; William E.
Internally squeezing sealable collet
Also Published As
Publication number
Publication date
GB2015904B
(en)
1982-06-23
JPS54121596A
(en)
1979-09-20
FR2419062A1
(en)
1979-10-05
FR2419062B1
(en)
1984-11-30
DE2854297A1
(en)
1979-09-20
JPS58337B2
(en)
1983-01-06
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Legal Events
Date
Code
Title
Description
1983-10-05
732
Registration of transactions, instruments or events in the register (sect. 32/1977)
1985-06-26
PCNP
Patent ceased through non-payment of renewal fee
