DK146228B - FRICTION SLED - Google Patents
FRICTION SLED Download PDFInfo
- Publication number
- DK146228B DK146228B DK543973A DK543973A DK146228B DK 146228 B DK146228 B DK 146228B DK 543973 A DK543973 A DK 543973A DK 543973 A DK543973 A DK 543973A DK 146228 B DK146228 B DK 146228B
- Authority
- DK
- Denmark
- Prior art keywords
- friction
- disc
- parts
- arm
- discs
- Prior art date
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D71/00—Mechanisms for bringing members to rest in a predetermined position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Mechanical Operated Clutches (AREA)
Description
(t \fi(t \ fi
(19) DANMARK(19) DENMARK
φ (12) FREMLÆGGELSESSKRIFT od 146228 Bφ (12) PUBLICATION MANUAL od 146228 B
DIREKTORATET FOR PATENT- OG VAREMÆRKEVÆSENETDIRECTORATE OF THE PATENT AND TRADEMARKET SYSTEM
(21) Patentansøgning nr.: 5439/73 (51) Int.CI.3: G 05 G 5/22 /om i j. . „ F16C 11/10 (22) Indlevenngsdag: 05 okt 1973 (41) Aim. tilgængelig: 10 apr 1974 (44) Fremlagt: 01 aug 1983 (86) International ansøgning nr.: -(30) Prioritet: 09 okt 1972 SE 13006/72 (71) Ansøger: *FUMEX AB; 931 00 SkeUefteå, SE.(21) Patent Application No. 5439/73 (51) Int.CI.3: G 05 G 5/22 / om i j. . "F16C 11/10 (22) Date of filing: 05 Oct 1973 (41) Aim. available: 10 Apr 1974 (44) Submitted: 01 Aug 1983 (86) International Application No: - (30) Priority: 09 Oct 1972 SE 13006/72 (71) Applicant: * FUMEX AB; 931 00 SkeUefteå, SE.
(72) Opfinder: Malkolm ‘Lindgren; SE(72) Inventor: Malkolm 'Lindgren; SEE
(74) Fuldmægtig: Internationalt Patent-Bureau_ (54) Friktionsled(74) Clerk: International Patent Bureau_ (54) Friction joints
Opfindelsen angår et friktionsled mellem to dele, hvoraf i det mindste den ene del er bevægelig i et plan i forhold til den anden del omkring en for de to dele fælles aksel, hvilket led omfatter mindst to under belastning mod hinanden anliggende, til hver sin del hørende friktions- og/eller anlægsflader.BACKGROUND OF THE INVENTION The invention relates to a friction joint between two parts, at least one part of which is movable in a plane relative to the other part about a shaft common to the two parts, which joint comprises at least two abutting forces, one to the other. associated friction and / or abutment surfaces.
Friktionsled anvendes ofte som selvlåsende eller -hæmmende led i leddelte qq arme af forskellig art og specielt i sådanne leddelte arme, hvor man ønsker at qq kunne indstille armenes dele i forskellige stillinger i forhold til hinanden, u- den at de på begge sider af leddene liggende armdele efter indstilling ændrer de- (O res relativstilling, selv om en af disse armdele skal optage en vis belastning ud-Friction joints are often used as self-locking or restraining joints in articulated qq arms of various kinds and especially in such articulated arms, where one wishes to qq be able to adjust the parts of the arms in different positions relative to each other, without being on either side of the joints lying arm parts after adjustment change their relative position, although one of these arm parts must take up a certain load.
TT
Γ“ over sin egen tyngde. Kortfattet kan de kendte friktionsled siges at bestå af to ^ under indstillelig belastning mod hinanden anliggende skiver med fælles aksel ogOver “above their own weight. Briefly, the known frictional joints can be said to consist of two ^ under adjustable load against each other shaft with common shaft and
2 146228 med en eller anden type friktionsbelægning imellem sig, hvor belastningen på skiverne f.eks. kan tilvejebringes af en mod en af skiverne indspændt fjeder. Denne konstruktion bevirker imidlertid, at den kraft, der kræves for at dreje skiverne i forhold til hinanden, bliver væsentligt større i retning opad, dvs. i den retning,mod hvilken belastningen på den ene armdel og dennes egen tyngdekraft virker, end i den modsatte retning, i hvilken nævnte belastning og tyngdekraft virker.2 146228 with some type of friction coating between them, where the load on the discs e.g. can be provided by a spring clamped against one of the discs. However, this construction causes the force required to rotate the disks relative to one another to be substantially greater in the upward direction, ie. in the direction in which the load on one arm member and its own gravity acts, than in the opposite direction in which said load and gravity act.
Dette har vist sig at være til stor ulempe inden for mange anvendelsesområder og specielt inden for områder, hvor en med et sådant led forsynet arm er anbragt i tilslutning til en arbejdsplads, idet man ofte tvinges til at anvende begge hænder for overhovedet at kunne svinge armen op. På denne måde må man således slippe de værktøjer eller redskaber, som man betjener sig af.This has proven to be a major disadvantage in many applications and especially in areas where an arm provided with such a joint is positioned adjacent to a work place, often forcing both hands to swing the arm at all up. In this way, you have to release the tools or tools you use.
Formålet med opfindelsen er derfor at eliminere denne ulempe ved de kendte friktionsled og derved skabe et friktionsled af den indledningsvis omhandlede art, hvor de mellem skiverne virkende friktionskræfter bortkobles helt ved svingning af armens ene del i retning opad mod den anden armdel.The object of the invention is therefore to eliminate this disadvantage at the known frictional joints and thereby create a friction joint of the kind initially referred to, in which the frictional forces acting between the discs are fully disengaged by pivoting one part of the arm upwards towards the other arm part.
Til opnåelse heraf er friktionsleddet ifølge opfindelsen ejendommeligt ved, at den ene friktions- og/eller anlægsflade er beliggende på en på akselen lejret og i forhold til de to dele drejelig skive, og at der mellem skiven og den del, som skivens friktions- og/eller anlægsflade tilhører, er anbragt en spærreanordning i form af en kombination af en spærreklinke og en tandkrans, som bevægelsesmæssigt forener skiven og den bevægelige del, når denne svinges fra den anden del, og som frikobler den bevægelige del fra skiven, når den svinges mod den anden del.To achieve this, the friction link according to the invention is peculiar in that one friction and / or abutment surface is located on a shaft mounted on the shaft and in relation to the two parts, and that between the disk and the part which the disk friction and / or abutment surface, a locking device is provided in the form of a combination of a locking latch and a dental wreath which jointly joins the disc and the moving part as it is pivoted from the other part and which decouples the moving part from the disc when pivoted towards the other part.
Opfindelsen forklares nærmere i det følgende under henvisning til tegningen, hvor fig. 1 viser et snit gennem en udførelsesform for friktionsleddet ifølge, opfindelsen, og fig. 2 et snit efter linien II-II i fig. 1, med to tænkte stillinger illustreret med stiplede linier.The invention will be explained in more detail below with reference to the drawing, in which fig. 1 shows a section through an embodiment of the friction link according to the invention; and FIG. 2 is a sectional view taken along line II-II of FIG. 1, with two thought positions illustrated with dotted lines.
Det på tegningen viste friktionsled, der generelt er betegnet 1, er anbragt mellem og forener, svingeligt i ét plan, to i figurerne kun delvis viste dele henholdsvis 2 og 3 af en leddelt arm, hvoraf den med 2 betegnede del i det følgende for enkelthedens skyld skal betragtes som ikke svingelig vinkelret på tegningsplanet i fig. 1 og benævnes den faste del, til trods for at den kan være anbragt såvel svingeligt, drejeligt som aksialt forskydeligt, medens den med 3 betegnede del benævnes .den bevægelige del. Ved den faste del er der anbragt en fortrinsvis cirkulær skive 4, der i den viste udførelsesform er forbundet fast med delen 2, men som i andre udførelsesformer kan vare udformet som en del af eller i ét stykke med den faste del 2. Koncentrisk med skiven 4 er der anbragt en yderligere, fortrinsvis cirkulær skive 5, der er båret af en for de to skiver fælles aksel 6, og som ligger an mod skiven 4 under mellemkobling af en 3 146228 eller anden type friktionsbelægning 7, som kan være anbragt på den ene og/eller den anden skive. Akselen 6 er lejret i to bøsninger 8 og 9, hvoraf bøsningen 8 er forbundet fast med skiven 4, medens bøsningen 9 er forbundet fast med skiven 5. Sidstnævnte bøsning er desuden anbragt drejeligt i et hul 10 i den bevægelige del 3, eller som vist på tegningen i et med den bevægelige del 3 fast forbundet og fra denne udragende endeparti 11. Den bevægelige del 3 er med andre ord lejret frit i bøsningen 9 og kan altså svinges uafhængigt af skiven 5 og den faste del 2. Sammenholdelsen af de i leddet indgående dele sker ved hjælp af akselen 6, der i den viste udførelsesform udgøres af en skrue, der med sit hoved 12 ligger an mod en mod såvel bøsningen 9 som endepartiet 11 anliggende plade 13, og som er forsynet med en møtrik 14. Mellem denne og bøsningen 8 er der ind spændt en fjeder 15, som altså trykker skiverne 4 og 5 mod hinanden med en ved hjælp af møtrikken 14 indstillelig kraft.The friction link shown generally in the drawing 1 is arranged between and uniting, pivotally in one plane, two parts shown in the figures only partially 2 and 3, respectively, of an articulated arm, of which the two-denoted part in the following for simplicity fault should be considered as not pivotal perpendicular to the drawing plane of FIG. 1 and is referred to as the fixed part, although it may be arranged pivotally, pivotally and axially displaceably, while the portion designated by 3 is referred to as the movable part. At the fixed part there is arranged a preferably circular disc 4, which in the illustrated embodiment is fixedly fixed to the part 2, but which in other embodiments may be formed as part of or in one piece with the fixed part 2. Concentric with the disc 4, there is provided a further, preferably circular disk 5, which is supported by a shaft 6 common to the two discs, which abuts against the disc 4 during interconnection of a 3 146228 or other type of friction coating 7 which may be mounted on it. one and / or the other disc. The shaft 6 is housed in two bushings 8 and 9, of which the bushing 8 is fixedly fixed to the disc 4, while the bushing 9 is connected firmly to the disc 5. The latter bushing is furthermore rotatably arranged in a hole 10 in the moving part 3, or as shown. in other words, the movable part 3 is mounted freely in the bushing 9 and can thus be pivoted independently of the washer 5 and the fixed part 2. Comparison of those in the joint incoming parts are effected by means of shaft 6, which in the illustrated embodiment is constituted by a screw which, with its head 12, abuts on a plate 13 abutting against both the sleeve 9 and the end portion 11 and which is provided with a nut 14. and the sleeve 8 is tensioned a spring 15, which thus presses the washers 4 and 5 against each other with a force adjustable by the nut 14.
1 endepartiet ll's mod den faste del 2 vendende side er der ved hjælp af en tap 16 eller et lignende organ ophængt en spærreklinke 17, der er udformet med to sideværts beliggende fremspring 18 og 19, og som ved hjælp af en tap 20 og en slids 21 er begrænset svingelig ud omkring sit fastgørelsespunkt 16.In the side of the end portion 11 facing the fixed part 2, by means of a pin 16 or a similar means, a locking latch 17 is formed, which is formed with two laterally located projections 18 and 19, and which by means of a pin 20 and a slot 21 is constrained pivotally about its attachment point 16.
Som forklaret i det følgende er spærreklinken 17 med sine fremspring 18 og 19 indrettet til at samvirke med en tandkrans 22 på skiven 5 for ind- og udkobling af leddets mellem skiverne 4 og 5 virkende friktionskræfter.As explained below, the locking latch 17, with its projections 18 and 19, is adapted to cooperate with a toothed ring 22 on the disc 5 for engaging and disengaging the frictional forces acting between the discs 4 and 5.
I den i fig. 1 og 2 viste stilling, hvor delene 2 og 3 befinder sig lige under hinanden, virker spærreklinken 17 ikke, så den bevægelige del 3 til at begynde med kan svinges uhindret enten med uret eller mod uret. Hvis den bevægelige del 3 nusvinges f.eks. mod uret, fig. 2, kommer spærreklinken 17 til gennem tyngdekraftens indvirkning at svinge omkring tappen 16 til sin ene af slidsen 21 og tappen 20 bestemte endestilling. Derved bringes spærreklinkens fremspring 18 i kontakt med tandkransen 22’s tænder og kommer, så længe den bevægelige del 3 svinges mod uret, til at glide over tænderne. Den bevægelige del 3 kan således svinges i en retning uafhængigt af friktionen mellem skiverne 5 og 4. Slippes nu den bevægelige del 3, f.eks. i den i fig. 2 ved hjælp af de stiplede linier 23 markerede stilling, griber spærrekliriken 17 med sit fremspring 18 ind i et tandmellemrum mellem to af tandkransen 22’s tænder og forener eller sammenkobler således den bevægelige del 3 og skiven 5 drejefast med hinanden. Den bevægelige del 3 låses derved i denne stilling med en kraft, der modsvarer friktionskræfterne mellem de to skiver 4 og 5, og der ses bort fra den bevægelige del 3's egen tyngde, som kan optages af en mellem de to dele 2 og 3 .indspændt, ikke vist fjeder. For at svinge armen med uret fra den i fig. 2 med 23 markerede stilling, må friktionskræfterne mellem skiverne 4 og 5 altså overvindes, idet spærreklinken 17 herved forener den be-In the embodiment shown in FIG. 1 and 2, where the parts 2 and 3 are located just below each other, the locking latch 17 does not work, so that initially the moving part 3 can be pivoted unobstructed either clockwise or counterclockwise. For example, if the movable part 3 is swiveled. counterclockwise, fig. 2, the locking latch 17 comes to pivot through the action of gravity around the pin 16 to its one end position determined by the slot 21 and the pin 20. Thereby, the protrusion 18 of the latch is brought into contact with the teeth of the dental crown 22 and, as long as the movable part 3 is pivoted counterclockwise, slides over the teeth. Thus, the moving part 3 can be pivoted in a direction independent of the friction between the discs 5 and 4. The moving part 3 is now released, e.g. in the embodiment of FIG. 2 marked by the dotted lines 23, the latch 17 with its projection 18 intervenes in a tooth gap between two of the teeth of the gear ring 22 and thus unites or interconnects the movable part 3 and the disc 5 with one another. The moving part 3 is thereby locked in this position with a force corresponding to the frictional forces between the two discs 4 and 5, and disregarding the moving weight of the moving part 3 which can be accommodated by one between the two parts 2 and 3. , not shown spring. To swing the arm clockwise from the one shown in FIG. 2 with 23 position, the frictional forces between the discs 4 and 5 must thus be overcome, the locking lever 17 thereby uniting it.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1300672 | 1972-10-09 | ||
SE1300672A SE358753B (en) | 1972-10-09 | 1972-10-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK146228B true DK146228B (en) | 1983-08-01 |
DK146228C DK146228C (en) | 1984-01-09 |
Family
ID=20296670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK543973A DK146228C (en) | 1972-10-09 | 1973-10-05 | FRICTION SLED |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5125900B2 (en) |
AT (1) | AT347748B (en) |
BE (1) | BE805840A (en) |
CA (1) | CA1006705A (en) |
CH (1) | CH573557A5 (en) |
DE (1) | DE2350670C2 (en) |
DK (1) | DK146228C (en) |
FI (1) | FI56580C (en) |
FR (1) | FR2202553A5 (en) |
GB (1) | GB1442380A (en) |
IT (1) | IT995682B (en) |
NL (1) | NL176200C (en) |
NO (1) | NO139366C (en) |
SE (1) | SE358753B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3511991A1 (en) * | 1984-07-04 | 1986-01-16 | Metallwerk Frese Gmbh, 5653 Leichlingen | Device for setting torque |
SE529141C2 (en) * | 2005-08-04 | 2007-05-15 | Fumex Ab | Lockable friction joint and use of such joint |
SE539483C2 (en) | 2016-02-23 | 2017-10-03 | Fumex Ab | Lockable friction joint |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH273177A (en) * | 1949-04-30 | 1951-01-31 | Franz Stroher Aktiengesellscha | Joint for devices mounted on tripods or support arms. |
DE916263C (en) * | 1952-05-15 | 1954-08-05 | Albert Kunz | Fitting for the adjustable and lockable connection of the backrest to the seat frame, in particular for motor vehicle seats |
-
1972
- 1972-10-09 SE SE1300672A patent/SE358753B/xx unknown
-
1973
- 1973-10-05 DK DK543973A patent/DK146228C/en not_active IP Right Cessation
- 1973-10-05 CA CA182,794A patent/CA1006705A/en not_active Expired
- 1973-10-08 NL NL7313796A patent/NL176200C/en not_active IP Right Cessation
- 1973-10-08 FR FR7335816A patent/FR2202553A5/fr not_active Expired
- 1973-10-08 CH CH1430473A patent/CH573557A5/xx not_active IP Right Cessation
- 1973-10-08 IT IT2987373A patent/IT995682B/en active
- 1973-10-09 GB GB4712273A patent/GB1442380A/en not_active Expired
- 1973-10-09 BE BE136487A patent/BE805840A/en not_active IP Right Cessation
- 1973-10-09 FI FI312773A patent/FI56580C/en active
- 1973-10-09 DE DE19732350670 patent/DE2350670C2/en not_active Expired
- 1973-10-09 AT AT857673A patent/AT347748B/en not_active IP Right Cessation
- 1973-10-09 NO NO391973A patent/NO139366C/en unknown
- 1973-10-09 JP JP11378173A patent/JPS5125900B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2202553A5 (en) | 1974-05-03 |
JPS5125900B2 (en) | 1976-08-03 |
DK146228C (en) | 1984-01-09 |
ATA857673A (en) | 1978-05-15 |
DE2350670C2 (en) | 1982-09-09 |
AT347748B (en) | 1979-01-10 |
CA1006705A (en) | 1977-03-15 |
NL176200B (en) | 1984-10-01 |
GB1442380A (en) | 1976-07-14 |
NO139366B (en) | 1978-11-13 |
FI56580C (en) | 1980-02-11 |
FI56580B (en) | 1979-10-31 |
CH573557A5 (en) | 1976-03-15 |
JPS4993764A (en) | 1974-09-06 |
DE2350670A1 (en) | 1974-04-25 |
BE805840A (en) | 1974-02-01 |
NL176200C (en) | 1985-03-01 |
NL7313796A (en) | 1974-04-11 |
IT995682B (en) | 1975-11-20 |
SE358753B (en) | 1973-08-06 |
NO139366C (en) | 1979-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |