US3902248A - Dental handpiece - Google Patents

Dental handpiece Download PDF

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Publication number
US3902248A
US3902248A US371845A US37184573A US3902248A US 3902248 A US3902248 A US 3902248A US 371845 A US371845 A US 371845A US 37184573 A US37184573 A US 37184573A US 3902248 A US3902248 A US 3902248A
Authority
US
United States
Prior art keywords
sleeve
locking
handpiece
screwing
tool
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
Application number
US371845A
Other languages
English (en)
Inventor
Frich Bareth
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.)
Kaltenbach and Voigt GmbH
Original Assignee
Kaltenbach and Voigt GmbH
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.)
Filing date
Publication date
Application filed by Kaltenbach and Voigt GmbH filed Critical Kaltenbach and Voigt GmbH
Application granted granted Critical
Publication of US3902248A publication Critical patent/US3902248A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17411—Spring biased jaws
    • Y10T279/17418—Unitary
    • Y10T279/17427—Split at one end only

Definitions

  • ABSTRACT A dental handpiece having an improved novel toolr'eceiving sleeve arrangement facilitating the simplified actuation of an adapter sleeve of the handpiece, including rolling or rotatable members, preferably in the shape of spheres or balls, which effectively provide roller or ball bearing supports for the adapter sleeve so as to facilitate the threading movement of the adapter sleeve in an extraordinarily simple sequence.
  • the present invention relates to a dental handpiece and, more particularly. to a novel arrangement enabling the simplified actuation of a tightening or adapter sleeve for the handpiece.
  • the present invention in an inventive manner, provides rolling or rotatable members, preferably in the shape of spheres or balls, which effectively provide roller or ball bearing supports for the adapter sleeve so as to facilitate the threading movement of the adapter sleeve in an extraordinarily simple sequence.
  • rolling or rotatable members preferably in the shape of spheres or balls, which effectively provide roller or ball bearing supports for the adapter sleeve so as to facilitate the threading movement of the adapter sleeve in an extraordinarily simple sequence.
  • the handpiece may be formed with a releasable locking arrangement which is actuatable in the operative end positions of the adapter sleeve.
  • This locking arrangement may advantageously be formed by a spring-loaded catch or lock, whereby upon unthreading from the end-threaded position only the force of the locking spring need be overcome.
  • suitable limiting or arresting stops may be provided adjacent the passageways defined by the ball-receiving grooves.
  • FIG- URE illustrates in a longitudinal section a dental handpiece having an adapter sleeve shown in its locking position.
  • a forward end sleeve of the handpiece is designated by the reference numeral 1.
  • A'suitable gripping sleeve 2 is threaded into sleeve 1, with the threaded portion between sleeves l and 2 being designated by reference numeral 3.
  • a spindle sleeve 4 is located within sleeve 1, being supported at its right-hand end as shown in the drawing within sleeve 1 by means of a ball bearing 5. A further support for the spindle sleeve 4 is designated by reference numeral 6. At the right-hand end of the spindle sleeve 4 there is provided a suitable connector or follower 7 for attachment thereto of a drive shaft and motive means (not shown).
  • the spindle sleeve 4 is encompassed by a compression spring 8 which contacts an external ring-shaped projection 9 formed on the spindle sleeve comprising an abutment support and, which by means of a pressure member 10 and a transversely extending pin 11, operates against an adapter sleeve 12 so as to bias the latter, as may be ascertained from the hereinhelow detailed description, into its locking position.
  • a dental tool 13 is inserted in the adapter sleeve I2.
  • the locking sleeve 12 lies with its outer conically-shaped tool-receiving end 15 of the spindle sleeve 4, which is located in an axially fixed position within the handpiece or, in effect, in the sleeve 1.
  • an external adapter sleeve 16 is mounted on the handpiece so as to be rotatable with respect to an inner sleeve I7 which is rigidly fastened to the handpiece.
  • the inner wall of the adapter sleeve 16 and the outer wall of the inner sleeve 17 are respectively provided with thread-like annular grooves 18 and 19, in which threading-engaging means is formed by means of spheres or balls 20 extending into the grooves 18 and 19.
  • a countersunk screw 21 extends outwardly of winding sleeve 16, having its shank portion located within a cooperative screw hole formed in a transmission sleeve 22, which in an unlocked position. is in an axial loaded engagement with the pressure member 10, and is rotatable and axially displaceable together with sleeve 16.
  • the transmission sleeve 22 includes in its outer wall a recessed portion 23, in which is located a locking ball 24.
  • the locking ball rests within the re Completed portion-23 under the operative effect of a spring 25 which may be, for example, a leaf spring.
  • a spring 25 which may be, for example, a leaf spring.
  • a dental handpiece including a rotatable locking sleeve adapted to detachably support a dental tool; resilient spring means for biasing said locking sleeve into a locking position; a spindle sleeve within said dental handpiece mounted in an axially fixed position with respect to said handpiece, said locking sleeve having a conically-shaped tool-receiving outer end, said spindle sleeve having a correspondingly conically-shaped inner end at the tool-receiving end of said handpiece contacted by said conically-shaped end of said locking sleeve in the locking position; an outer screwing-sleeve on said handpiece adapted to be actuated for releasing the spring pressure on said locking sleeve, the improvement comprising; an inner sleeve fastened rigidly to said handpiece; screw-like annular grooves formed in respectively the inner peripheral surface of said screwing-sleeve and the outer peripheral surface of said inner sleeve; said
  • a dental handpiece including a rotatable locking sleeve adapted to detachably support a dental tool; resilient spring means for biasing said locking sleeve into a locking position; a spindle sleeve within said dental handpiece mounted in an axially fixed position with respect to said handpiece, said locking sleeve having a comically-shaped tool-receiving outer end, said spindle sleeve having a correspondingly conicallyshaped inner end at the tool-receiving end of said handpiece contacted by said conically-shaped end of said locking sleeve in the locking position; an outer screwing-sleeve on said handpiece adapted to be actuated for releasing the spring pressure on said locking sleeve, the improvement comprising; an inner sleeve fastened rigidly to said handpiece; screw-like annular grooves formed in respectively the inner peripheral surface of said screwing-sleeve and the outer peripheral surface of said inner sleeve; said grooves being
  • a dental handpiece including a rotatable locking sleeve adapted to detachably support a dental tool; resilient spring means for biasing said locking sleeve into a locking position; a spindle sleeve within said dental handpiece mounted in an axially fixed position with respect to said handpiece, said locking sleeve having a conically-shaped tool-receiving outer end, said spindle sleeve having a correspondingly conically-shaped inner end at the tool-receiving end of said handpiece contacted by said conically-shaped end of said locking sleeve in the locking position; an outer screwing-sleeve on said handpiece adapted to be actuated for releasing the spring pressure on said locking sleeve, the improvement comprising; an inner sleeve fastened rigidly to said handpiece; screw-like annular grooves formed in respectively the inner peripheral surface of said screwing-sleeve and the outer peripheral surface of said inner sleeve; said grooves
  • leasable lock means for locking said screwing-sleeve in at least one of said operative end positions; and stop means mounted at the axial ends of passageways defined by said grooves so as to prevent egress of said ro-

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
US371845A 1972-07-12 1973-06-20 Dental handpiece Expired - Lifetime US3902248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2234321 1972-07-12

Publications (1)

Publication Number Publication Date
US3902248A true US3902248A (en) 1975-09-02

Family

ID=5850479

Family Applications (1)

Application Number Title Priority Date Filing Date
US371845A Expired - Lifetime US3902248A (en) 1972-07-12 1973-06-20 Dental handpiece

Country Status (6)

Country Link
US (1) US3902248A (de)
JP (1) JPS5412000B2 (de)
AT (1) AT352860B (de)
BR (1) BR7305124D0 (de)
DE (1) DE2234321C2 (de)
FR (1) FR2191869B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235595A (en) * 1977-05-31 1980-11-25 Arnegger Richard E Handpiece with continuous shaft and bell rotor
US4355977A (en) * 1979-10-08 1982-10-26 Kabushiki Kaisha Morita Seisakusho Cordless handpiece for dental treatment
EP0289716A2 (de) * 1987-03-06 1988-11-09 Ushio Kogyo Co. Limited Zahnärztliches Handstück
US20050181329A1 (en) * 2004-02-17 2005-08-18 Bien-Air Holding S.A. Handpiece for dental or surgical use
US20070054239A1 (en) * 2004-02-17 2007-03-08 Bien-Air Holding S.A. Handpiece for dental or surgical use with locking mechanism
US20210205047A1 (en) * 2019-11-27 2021-07-08 Wuxi Institute Of Technology Medical dental grinding apparatus

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336594A1 (fr) * 1975-12-22 1977-07-22 Micro Mega Sa Piece a main pour micromoteur
AT371991B (de) * 1981-04-30 1983-08-25 Buermoos Dentalwerk Feilwerkzeug mit oszillierendem werkzeughalter
FR2623998A1 (fr) * 1987-12-02 1989-06-09 Micro Mega Sa Dispositif pour le maintien d'un outil d'alesage des canaux radiculaires des dents
DE3928211C1 (de) * 1989-08-25 1990-09-27 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach, De
DE3928210C1 (de) * 1989-08-25 1990-09-27 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach, De
US20050181326A1 (en) * 2004-02-17 2005-08-18 Bien-Air Holding S.A. Powered handpiece for dental or surgical use

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876015A (en) * 1953-09-11 1959-03-03 Steuer Werner Hand piece for drilling, milling or grinding
US3400459A (en) * 1964-07-13 1968-09-10 Ritter Pfaudler Corp Dental handpiece
US3475817A (en) * 1966-09-08 1969-11-04 Kaltenbach & Voigt Portable holder for dental tools or the like
US3496638A (en) * 1967-07-12 1970-02-24 American Hospital Supply Corp Dental handpiece construction
US3518765A (en) * 1967-06-26 1970-07-07 Kazuo Hayashi Dental handpiece
US3530586A (en) * 1964-02-27 1970-09-29 Sybron Corp Speed reducer construction for driving dental tools
US3619904A (en) * 1967-12-29 1971-11-16 Atlas Copco Ab Chuck control for dental drills and the like
US3631597A (en) * 1969-09-15 1972-01-04 Star Dental Mfg Co Handpiece with improved chuck assembly
US3775851A (en) * 1972-07-14 1973-12-04 L Flatland Dental handpiece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4830069U (de) * 1971-08-12 1973-04-12

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876015A (en) * 1953-09-11 1959-03-03 Steuer Werner Hand piece for drilling, milling or grinding
US3530586A (en) * 1964-02-27 1970-09-29 Sybron Corp Speed reducer construction for driving dental tools
US3400459A (en) * 1964-07-13 1968-09-10 Ritter Pfaudler Corp Dental handpiece
US3475817A (en) * 1966-09-08 1969-11-04 Kaltenbach & Voigt Portable holder for dental tools or the like
US3518765A (en) * 1967-06-26 1970-07-07 Kazuo Hayashi Dental handpiece
US3496638A (en) * 1967-07-12 1970-02-24 American Hospital Supply Corp Dental handpiece construction
US3619904A (en) * 1967-12-29 1971-11-16 Atlas Copco Ab Chuck control for dental drills and the like
US3631597A (en) * 1969-09-15 1972-01-04 Star Dental Mfg Co Handpiece with improved chuck assembly
US3775851A (en) * 1972-07-14 1973-12-04 L Flatland Dental handpiece

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4235595A (en) * 1977-05-31 1980-11-25 Arnegger Richard E Handpiece with continuous shaft and bell rotor
US4355977A (en) * 1979-10-08 1982-10-26 Kabushiki Kaisha Morita Seisakusho Cordless handpiece for dental treatment
EP0289716A2 (de) * 1987-03-06 1988-11-09 Ushio Kogyo Co. Limited Zahnärztliches Handstück
EP0289716A3 (en) * 1987-03-06 1989-04-12 Ushio Kogyo Co. Limited Dental handpiece
US20050181329A1 (en) * 2004-02-17 2005-08-18 Bien-Air Holding S.A. Handpiece for dental or surgical use
US20070054239A1 (en) * 2004-02-17 2007-03-08 Bien-Air Holding S.A. Handpiece for dental or surgical use with locking mechanism
US7214060B2 (en) 2004-02-17 2007-05-08 Bien-Air Holding S.A. Handpiece for dental or surgical use
US7448870B2 (en) 2004-02-17 2008-11-11 Bien-Air Holding S.A. Handpiece for dental or surgical use with locking mechanism
CN100528099C (zh) * 2004-02-17 2009-08-19 比恩-空气控股股份有限公司 牙科或外科用手持件
US20210205047A1 (en) * 2019-11-27 2021-07-08 Wuxi Institute Of Technology Medical dental grinding apparatus
US11890149B2 (en) * 2019-11-27 2024-02-06 Wuxi Institute Of Technology Medical dental grinding apparatus

Also Published As

Publication number Publication date
AT352860B (de) 1979-10-10
JPS5412000B2 (de) 1979-05-18
DE2234321C2 (de) 1974-05-30
BR7305124D0 (pt) 1974-09-24
JPS50157988A (de) 1975-12-20
FR2191869B1 (de) 1978-06-30
ATA518073A (de) 1979-03-15
DE2234321B1 (de) 1973-10-31
FR2191869A1 (de) 1974-02-08

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