GB513346A - Improvements in and relating to bearings for members having rotatory axes of precision - Google Patents

Improvements in and relating to bearings for members having rotatory axes of precision

Info

Publication number
GB513346A
GB513346A GB1481138A GB1481138A GB513346A GB 513346 A GB513346 A GB 513346A GB 1481138 A GB1481138 A GB 1481138A GB 1481138 A GB1481138 A GB 1481138A GB 513346 A GB513346 A GB 513346A
Authority
GB
United Kingdom
Prior art keywords
members
lug
balls
holes
bearings
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
GB1481138A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1481138A priority Critical patent/GB513346A/en
Publication of GB513346A publication Critical patent/GB513346A/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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

513,346. Bearings ; ball-jointed hinges. POLLARD, A. F. C. May 18, 1938, No. 14811. [Class 12 (i)] [Also in Group XXV] Two members are relatively constrained to rotate with accuracy about the geometric line joining the centres of two spheres, or part spherical surfaces, each of which engages under spring pressure a bearing surface having a three-point sliding contact along small circles of the corresponding sphere or spherical surface. As shown, members 1, 2, Fig. 2, relatively turn on balls 6 engaging the edges of aligned holes formed in the members. The edge of each hole is cut away so that it contacts a ball at three spaced points. The lug 5 having one of the holes is elastic and the amount of displacement of the lug is limited by a rigid lug 7. The lug 5 may be replaced by a spring-urged plunger mounted in the member 2. Foreign matter is excluded by felt washers 9 enclosed in thin metal tubing, or by thin sheet metal washers. The ends of the holes in the members 2 may be plugged as at 8. One or both balls 6 may be fixed to, or made integral with, one of the members 1, 2. The three point support may be formed by three projections or balls formed or secured to the members 1, 2. In another modification, Fig. 7, the sphere or spherical surface contacts three spaced balls capable of rolling on a race track fixed to one of the members.
GB1481138A 1938-05-18 1938-05-18 Improvements in and relating to bearings for members having rotatory axes of precision Expired GB513346A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1481138A GB513346A (en) 1938-05-18 1938-05-18 Improvements in and relating to bearings for members having rotatory axes of precision

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1481138A GB513346A (en) 1938-05-18 1938-05-18 Improvements in and relating to bearings for members having rotatory axes of precision

Publications (1)

Publication Number Publication Date
GB513346A true GB513346A (en) 1939-10-10

Family

ID=10047891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1481138A Expired GB513346A (en) 1938-05-18 1938-05-18 Improvements in and relating to bearings for members having rotatory axes of precision

Country Status (1)

Country Link
GB (1) GB513346A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130702A1 (en) * 1981-08-03 1983-02-17 Fa. C. Plath, 2000 Hamburg Bearing for the barrel screw of a sextant
FR2661958A1 (en) * 1990-05-14 1991-11-15 Jidosha Denki Kogyo Kk Device forming a thrust bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130702A1 (en) * 1981-08-03 1983-02-17 Fa. C. Plath, 2000 Hamburg Bearing for the barrel screw of a sextant
FR2661958A1 (en) * 1990-05-14 1991-11-15 Jidosha Denki Kogyo Kk Device forming a thrust bearing

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