GB1455228A - Drive transmitting mechanisms - Google Patents

Drive transmitting mechanisms

Info

Publication number
GB1455228A
GB1455228A GB768475A GB768475A GB1455228A GB 1455228 A GB1455228 A GB 1455228A GB 768475 A GB768475 A GB 768475A GB 768475 A GB768475 A GB 768475A GB 1455228 A GB1455228 A GB 1455228A
Authority
GB
United Kingdom
Prior art keywords
balls
feb
recess
diameter
end plates
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
Application number
GB768475A
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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
Priority claimed from FR7408446A external-priority patent/FR2221786B1/fr
Application filed by Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Publication of GB1455228A publication Critical patent/GB1455228A/en
Expired legal-status Critical Current

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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
    • F16H25/2214—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls with elements for guiding the circulating balls
    • F16H25/2219—Axially mounted end-deflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

1455228 Screw-and-nut gearing AGENCE NATIONALE DE VALORISATION DE LA RECHERCHE 24 Feb 1975 [26 Feb 1974] 7684/75 Heading F2Q A ball nut comprises an internally threaded sleeve member 2 incorporating a longitudinally extending ball return passage 4 and two identical annular end plates 5a, 5b, each end plate having a portion of its bore 7 increased in diameter to form a recess 12 which communicates with the passage 4 by means of a tangential groove 13. The recess 12 has a radial depth e greater than the radius of balls 3 and an axial width p greater than the diameter of the balls. A projection 15 guides the balls into the groove 13. Preferably the end plates are made of plastics material such as polyamide or polytetrafluoroethylene.
GB768475A 1974-03-13 1975-02-24 Drive transmitting mechanisms Expired GB1455228A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7408446A FR2221786B1 (en) 1973-03-13 1974-03-13

Publications (1)

Publication Number Publication Date
GB1455228A true GB1455228A (en) 1976-11-10

Family

ID=9136223

Family Applications (1)

Application Number Title Priority Date Filing Date
GB768475A Expired GB1455228A (en) 1974-03-13 1975-02-24 Drive transmitting mechanisms

Country Status (1)

Country Link
GB (1) GB1455228A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996032315A1 (en) * 1995-04-10 1996-10-17 Gennady Vladimirovich Vasiliev Transmission for a muscle-powered vehicle, and a bicycle, bicycle-type vehicle and wheelchair equipped with said transmission
EP1662176A3 (en) * 2004-11-30 2008-08-20 NSK Ltd., Linear motion device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996032315A1 (en) * 1995-04-10 1996-10-17 Gennady Vladimirovich Vasiliev Transmission for a muscle-powered vehicle, and a bicycle, bicycle-type vehicle and wheelchair equipped with said transmission
EP1662176A3 (en) * 2004-11-30 2008-08-20 NSK Ltd., Linear motion device

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee