GB946271A - Improvements in or relating to rectilinear-motion bearings for longitudinally-slidable machine parts - Google Patents

Improvements in or relating to rectilinear-motion bearings for longitudinally-slidable machine parts

Info

Publication number
GB946271A
GB946271A GB2976862A GB2976862A GB946271A GB 946271 A GB946271 A GB 946271A GB 2976862 A GB2976862 A GB 2976862A GB 2976862 A GB2976862 A GB 2976862A GB 946271 A GB946271 A GB 946271A
Authority
GB
United Kingdom
Prior art keywords
rollers
holes
members
rectilinear
cage
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
GB2976862A
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen AG
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 DEZ9181A external-priority patent/DE1169213B/en
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of GB946271A publication Critical patent/GB946271A/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
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0614—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only
    • F16C29/0616—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load essentially in a single direction
    • F16C29/0619—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a shoe type bearing body, e.g. a body facing one side of the guide rail or track only for supporting load essentially in a single direction with rollers or needles
    • 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
    • F16C29/04—Ball or roller bearings
    • F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
    • F16C29/0669—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes
    • F16C29/0673—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the main body of the U-shaped carriage is an assembly of at least three major parts, e.g. an assembly of a top plate with two separate legs attached thereto in the form of bearing shoes with rollers
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/46—Cages for rollers or needles
    • F16C33/50—Cages for rollers or needles formed of interconnected members, e.g. chains
    • F16C33/508—Cages for rollers or needles formed of interconnected members, e.g. chains formed of links having an H-shape, i.e. links with a single stay placed between two rollers and with two end portions extending along the end faces of the two rollers
    • 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
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/02—Driving-chains
    • F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/18—Means for guiding or supporting belts, ropes, or chains

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

946,271. Rectilinear-motion bearings. ZAHNRADFABRIK FRIEDRICHSHAFEN A.G. Aug. 2, 1962 [Aug. 18, 1961; Jan. 19, 1962], No. 29768/62. Heading F2A. A rectilinear-motion bearing for longitudinally-slidable machine parts such as 1 comprises at least one guide rail 2 of substantially rectangular cross-section, cylindrical rollers such as 4, 5 (Fig. 1), with parallel axes guided along a closed path (for each series 4, 5), and cage members, each embracing two spaced-apart rollers. In one embodiment the cage members are links 10, 12 (Figs. 5, 6), joined together consecutively in overlapping relationship, the rollers (in each series) forming an endless chain. Alternate members have holes 11 and projections 13, as shown, the projections of one member engaging in holes of the adjacent ones. Each member is made of side walls 10<SP>1</SP> or 12<SP>1</SP> and a bridge 14 or 15, the walls 10<SP>1</SP> and 12<SP>1</SP> having flaps 16 to prevent the rollers 4 or 5 from falling out. In a second embodiment, guide rollers 101, 101a (Figs. 7 and 9) have axial bores and each member may have holes each member being connected together by pins engaging in the bores of the rollers and the holes of each two adjacent members, the pins being secured in position by fastening means. The cage members are carried by an endless chain running over chain-wheels 104. The rollers 101, 101a run on a roller support or shoe 107 aligned with and fastened to the machine housing 111 by bolts 105 and 108, at least one of which, 108, is eccentric, the bolts 105 having journals 106 on which the wheels 104 are rotatably mounted. In a third embodiment (Fig. 12), each cage member has arms 126, 127 joined by a bridge, the arm 126 having holes 128 and the other having projections 129, those of one member engaging in the holes of the adjacent ones to form an endless chain. The cage members may be of synthetic plastics material which may contain a lubricating constituent, such as molybdenum disulphide.
GB2976862A 1961-08-18 1962-08-02 Improvements in or relating to rectilinear-motion bearings for longitudinally-slidable machine parts Expired GB946271A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEZ0008918 1961-08-18
DEZ9181A DE1169213B (en) 1962-01-19 1962-01-19 Link cage for holding cylindrical rollers guided on a closed track

Publications (1)

Publication Number Publication Date
GB946271A true GB946271A (en) 1964-01-08

Family

ID=26003455

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2976862A Expired GB946271A (en) 1961-08-18 1962-08-02 Improvements in or relating to rectilinear-motion bearings for longitudinally-slidable machine parts

Country Status (2)

Country Link
CH (1) CH413510A (en)
GB (1) GB946271A (en)

Also Published As

Publication number Publication date
CH413510A (en) 1966-05-15

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