WO1999047825A1 - Ensemble guide lineaire antirotation sur arbre circulaire - Google Patents

Ensemble guide lineaire antirotation sur arbre circulaire Download PDF

Info

Publication number
WO1999047825A1
WO1999047825A1 PCT/US1999/005604 US9905604W WO9947825A1 WO 1999047825 A1 WO1999047825 A1 WO 1999047825A1 US 9905604 W US9905604 W US 9905604W WO 9947825 A1 WO9947825 A1 WO 9947825A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
housing
locking elements
recited
retainer
Prior art date
Application number
PCT/US1999/005604
Other languages
English (en)
Inventor
Sathyan C. Tivakaren
Original Assignee
Thomson Industries, Inc.
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 Thomson Industries, Inc. filed Critical Thomson Industries, Inc.
Priority to AU30886/99A priority Critical patent/AU3088699A/en
Publication of WO1999047825A1 publication Critical patent/WO1999047825A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/069—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by pivoting or rocking, e.g. sprags
    • F16D41/07—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by pivoting or rocking, e.g. sprags between two cylindrical surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D2041/0603—Sprag details

Definitions

  • the present invention relates to anti-rotation apparatus and, more
  • a piece of machinery e.g., a load carrying bearing
  • the apparatus may advantageously be used in conjunction
  • present disclosure includes a housing, at least one locking element and a locking element
  • the housing has a longitudinal bore therethrough for receiving the locking
  • the locking element retainer defines an
  • locking elements are symmetrically disposed around a central axis of the shaft within the
  • the locking elements and retainer generally combine to form
  • a cam clutch insert within the housing to limit rotational motion of the housing relative to
  • each of the individual locking elements are formed in the shape of
  • FIG. 1 is a cross-sectional end view of an anti-rotation apparatus in
  • FIG. 2 is a side view in cross-section of an anti-rotation apparatus in
  • FIG. 3 is an enlarged view of a single locking element of the anti -rotation
  • an anti-rotation apparatus 10 in accordance with the present invention
  • Anti -rotation apparatus 10 generally includes a
  • apparatus 10 is provided to restrict rotational movement of a bearing associated with apparatus 10 where the rotational force
  • Housing 12 has a longitudinal bore 13 therethrough for receiving the
  • Housing 12 is
  • housing 12 is corresponding to a cube-shaped housing. However, it is contemplated that housing 12
  • locking element retainer 16 defines an inner
  • tubular shaped shaft may also be used. It is also contemplated that shaft 18 may be a
  • anti-rotation apparatus 10 may
  • Locking elements 14 are disposed around a central axis of shaft 18 within
  • retainer 16 combine to form a cam clutch insert within housing 12 to which functions
  • housing 12 along the length or longitudinal axis of shaft 18. As illustrated in FIGS. 1
  • each of the individual locking elements 14 are formed in the shape of asymmetrical cam plates.
  • shaft 18 is subjected to
  • one side of the locking element 14 has
  • element 12 has an overall length OL of approximately 3 to 6 millimeters (“mm") and
  • Locking element 14 includes a head portion 21 having a
  • TL of approximately 1J5 mm.
  • the ratio of OL to HL is about 2.3 to 1.0.
  • the ratio may be from about 1.0 to 1.0 up to about 5.0 to 1.0.
  • retainer 16 contacts W on a first
  • An opposite side 27 of waist W has an offset area O which allows element
  • Head portion 21 has a preferred width HW of about 2.40 +/- 0.03 mm. and tail
  • portion 23 has a preferred width TW of about 1.59 +/- 0.03 mm.
  • TW width of about 1.59 +/- 0.03 mm.
  • the recited dimensions are for a preferred embodiment. It is contemplated that other sizes of locking elements
  • sizes of the locking element portions may be adjusted accordingly.
  • Head portion 21 includes two radiused surfaces, i.e. a camming surface 29
  • Tail portion 23 has a contact portion 31 with a
  • radius RT of about 2.15 mm.
  • RW of approximately 1.22 mm is provided
  • Radius RS is
  • adjacent locking element 14 be placed within locking element retainer 16 in a fashion so as to alternate the position of the camming surfaces 29, thereby preventing rotation of
  • Locking elements 14 have a surface finish at the contact area which is a
  • CLA Center Line Average
  • All radii on locking elements 14 are in the range of
  • two rings of locking elements 14 may be
  • locking elements 14 in a first ring 35 have a common orientation while all of the elements
  • ring may alternate as discussed above and provide for an increased friction force on shaft
  • cam clutch type insert assembly which is fitted within
  • the cam clutch type insert generally comprises a cylindrical ring 22, two
  • Locking ring 20 which is fitted within an open end of housing 12. Locking ring 20 may engage housing 12 by an interference fit or it may be affixed thereto by epoxy,
  • Cylindrical ring 22 is configured and dimensioned to fit within the
  • locking elements 14 will slide or slightly drag relative to shaft 18.
  • piston rods move laterally along the longitudinal axis of the rods without any rotation of

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

La présente invention concerne un appareil antirotation destiné à être utilisé avec des tiges et des ensembles support à mouvement linéaire. Le dispositif antirotation comprend un logement comportant intérieurement un ensemble rapporté came/embrayage. L'ensemble rapporté came/embrayage comprend une bague de retenue et au moins deux éléments de verrouillage montés de façon amovible dans la bague de retenue. Chacun de ces éléments de verrouillage est mobile entre une position qui permet à l'arbre de tourner dans une première position par rapport au logement, et une autre position amenant par mouvement de came l'élément de verrouillage contre l'arbre, empêchant ainsi la rotation de l'arbre par rapport au logement dans une seconde direction. De préférence, plusieurs éléments de verrouillage sont montés dans la bague de retenue pour que chaque élément de verrouillage adjacent puisse avoir une autre orientation. En changeant l'orientation des éléments de verrouillage dans la bague de retenue, on peut empêcher la rotation à la fois dans le sens des aiguilles d'une montre, et dans le sens contraire. Dans un autre mode de réalisation, une paire de bagues de retenue comportant chacune plusieurs éléments de verrouillage sont disposées dans un logement. Chacune des bagues de retenue des éléments de verrouillage peut empêcher la rotation de l'arbre par rapport à elles dans une seule direction, ou, dans une variante, les deux bagues de retenue des éléments de verrouillage peuvent empêcher la rotation de l'arbre par rapport à elles dans les deux directions.
PCT/US1999/005604 1998-03-16 1999-03-16 Ensemble guide lineaire antirotation sur arbre circulaire WO1999047825A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU30886/99A AU3088699A (en) 1998-03-16 1999-03-16 Non-rotational linear guide assembly on circular shaft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7812198P 1998-03-16 1998-03-16
US60/078,121 1998-03-16

Publications (1)

Publication Number Publication Date
WO1999047825A1 true WO1999047825A1 (fr) 1999-09-23

Family

ID=22142028

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/005604 WO1999047825A1 (fr) 1998-03-16 1999-03-16 Ensemble guide lineaire antirotation sur arbre circulaire

Country Status (2)

Country Link
AU (1) AU3088699A (fr)
WO (1) WO1999047825A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2824636A (en) * 1953-09-11 1958-02-25 Borg Warner One-way clutch
US3019873A (en) * 1957-04-08 1962-02-06 Borg Warner Sprag
US3599767A (en) * 1970-05-28 1971-08-17 David N Sederquist Reversible sprag clutch
US3712431A (en) * 1971-02-26 1973-01-23 Kreske Walter J Torque device for winches and the like
EP0575037A1 (fr) * 1992-06-18 1993-12-22 Borg-Warner Automotive Transmission And Engine Components Corporation Construction combinée de cage et ressort pour embrayage uni-directionnel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2824636A (en) * 1953-09-11 1958-02-25 Borg Warner One-way clutch
US3019873A (en) * 1957-04-08 1962-02-06 Borg Warner Sprag
US3599767A (en) * 1970-05-28 1971-08-17 David N Sederquist Reversible sprag clutch
US3712431A (en) * 1971-02-26 1973-01-23 Kreske Walter J Torque device for winches and the like
EP0575037A1 (fr) * 1992-06-18 1993-12-22 Borg-Warner Automotive Transmission And Engine Components Corporation Construction combinée de cage et ressort pour embrayage uni-directionnel

Also Published As

Publication number Publication date
AU3088699A (en) 1999-10-11

Similar Documents

Publication Publication Date Title
KR100977450B1 (ko) 트리포드형 등속 조인트
US5732596A (en) Anti-backlash nut assembly
US4479683A (en) Cross roller bearing
US8613350B2 (en) Infinitely variable wrench
EP1869332B1 (fr) Dispositif de retenue et de verrouillage d'une bille, et applications pour systemes de verrouillage au moyen de ressort radiaux et axiaux
KR100554435B1 (ko) 체인
US5234089A (en) Torque limiter
US6200225B1 (en) Variable length shaft assembly having a bearing system
EP2055990A2 (fr) Cannelure à bille
US4046436A (en) Articulated thrust bearing
KR20010050938A (ko) 볼 부시
GB2165899A (en) Coupling torque limiter
US7267213B2 (en) One-way clutch
WO2003087603A2 (fr) Dispositif de transmission unidirectionnel a impact d'introduction reduit
GB2080491A (en) A coupling
US6173824B1 (en) Rolling-element clutch assembly
US20230049077A1 (en) Stop pin for a ball screw assembly
WO1999047825A1 (fr) Ensemble guide lineaire antirotation sur arbre circulaire
US3025114A (en) Antifriction bearings
US20020017441A1 (en) Switchable clutch
US5609456A (en) Locking nut
CN111623033A (zh) 推力滚子轴承
US6640949B1 (en) 1-way bearing
US2598864A (en) Combined overrunning clutch and bearing
US2646713A (en) Threadless retainer

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZA ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642