FR2538078A1 - Articulated anti-skid device. - Google Patents

Articulated anti-skid device. Download PDF

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Publication number
FR2538078A1
FR2538078A1 FR8221159A FR8221159A FR2538078A1 FR 2538078 A1 FR2538078 A1 FR 2538078A1 FR 8221159 A FR8221159 A FR 8221159A FR 8221159 A FR8221159 A FR 8221159A FR 2538078 A1 FR2538078 A1 FR 2538078A1
Authority
FR
France
Prior art keywords
flange
hemisphere
locking flange
base
collar
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.)
Granted
Application number
FR8221159A
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French (fr)
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FR2538078B1 (en
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DUPAU JACQUES
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DUPAU JACQUES
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 DUPAU JACQUES filed Critical DUPAU JACQUES
Priority to FR8221159A priority Critical patent/FR2538078A1/en
Publication of FR2538078A1 publication Critical patent/FR2538078A1/en
Application granted granted Critical
Publication of FR2538078B1 publication Critical patent/FR2538078B1/fr
Granted 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
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0604—Construction of the male part
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M7/00—Details of attaching or adjusting engine beds, frames, or supporting-legs on foundation or base; Attaching non-moving engine parts, e.g. cylinder blocks
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/021—Locking means for rotational movement
    • F16M2200/022—Locking means for rotational movement by friction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)

Abstract

The invention relates to an articulated anti-skid device comprising a monobloc base 1, a hemisphere 3 with a pin 4, an elastic means 5, a collar 6, a locking flange 7, a dust trap 14 and an anti-skid element 15.

Description

La présente invention concerne: Un dispositif articulé et antidérapant quiThe present invention relates to: An articulated and non-slip device which

permet à tout objet perpendiculaire ou incliné, à la surface portante d'augmenter sa stabilité et son adhérence par un support pivotant afin que la surface totale de 1 'appui soit toujours en contact avec le sol, dans la limite de l 'angle de débattement Le contact avec la surface  allows any perpendicular or inclined object to the bearing surface to increase its stability and its adhesion by a pivoting support so that the total surface of the support is always in contact with the ground, within the limit of the angle of movement Contact with the surface

portante des ob'ets susceptibles de recevoir la présente invention réalisée fréquem -  bearing objects likely to receive the present invention carried out frequently -

ment par des embouts fixes qui équipent des échelles, échafaudages, béqui îles cannes, cannes anglaises Dans un tel cas,' la surface en contact avec le sol est  by fixed nozzles fitted to ladders, scaffolding, cane canes, English canes In such a case, the surface in contact with the ground is

réduite, d'o diminution de l 'adhérence et de la sécurité.  reduced, resulting in reduced grip and safety.

A notre connaissance, des systèmes articulés existent déjà qu Ii présentent des inconvénients suivants: Fragilité de I 'embase constituée par plusieurs éléments dont l 'un (le logement inférieur de la sphère) est assemblé à la pièce principale par filetage, soudure ou  To our knowledge, articulated systems already exist which have the following drawbacks: Fragility of the base consisting of several elements, one of which (the lower housing of the sphere) is assembled to the main part by threading, welding or

collage Cette partie recevant les efforts de poussée transmis par la sphère, solli-  bonding This part receiving the thrust forces transmitted by the sphere,

cite au cisaillement le moyen de fixation indiqué ci-dessus ce qui présente un point faible. Dans un tel dispositif, si pour des raisons d'usinage, d'usure, la sphéricité vient à être modifiée I 'articulation va présenter des points durs entraînant un  cites to shearing the fixing means indicated above which has a weak point. In such a device, if for reasons of machining or wear, the sphericity comes to be modified, the articulation will have hard points causing

blocage qui va à I 'encontre du but recherché.  blocking which goes against the desired goal.

';e cispositif est réalisé à partir de matériaux hétérogènes (métal et matière plastique) ce qui entrathe des tensions différentiel les créant des désordres dans  '; e cispositif is made from heterogeneous materials (metal and plastic) which brings about differential tensions creating disorders in

le fonctionnement du système.the functioning of the system.

Par ailleurs la complexité de réalisation de ce dispositif est un handicap  Furthermore, the complexity of making this device is a handicap

quant à son prix de revient.as for its cost price.

Le dispositif selon l 'invention permet de remédier à cet état de fait Il comporte dans sa partie inférieure une embase monobloc ( 1) dans laquelle est aménagée une cuvette ( 2) destinée à recevoir une derni-sphère ( 3) munie d'un axe vertical ( 4) sur lequel s'embotte une collerette ( 6) présentant un profil  The device according to the invention makes it possible to remedy this state of affairs. It comprises in its lower part a monobloc base (1) in which is fitted a bowl (2) intended to receive a last sphere (3) provided with a pin. vertical (4) on which a collar (6) has a profile

extérieur ( 9).exterior (9).

Ces deux parties la demi-sphère ( 3) et la collerette ( 6) sont séparées par un moyen élastique ( 5) tel que ressort dont le r 8 le est d'appliquer par pression constante la collerette ( 6) sur la flasque de blocage ( 7) du dispositif afin d'en  These two parts the hemisphere (3) and the flange (6) are separated by an elastic means (5) such as a spring, the r 8 of which is to apply the flange (6) to the locking flange by constant pressure. (7) of the device in order to

assurer-une parfaite étanchéité et un rattrapage de jeu.  ensure perfect sealing and backlash.

Cet ensemble est protégé par un cache-poussière ( 14) L'élément anti-  This set is protected by a dust cover (14) The anti-

dérapant ( 15) est constitué par une rondelle collée en matière résistante à  slip (15) is constituted by a glued washer made of material resistant to

I 'abrasion et aux produits chimiques La surface recevant l 'élément antidé-  Abrasion and chemicals The surface receiving the anti-corrosion element

rapant ( 15) est striée pour augmenter la résistance au cisaillement.  rapant (15) is ribbed to increase the shear strength.

Selon une variante, un épaulement ( 16) sur la périphérie de I 'embase  According to a variant, a shoulder (16) on the periphery of the base

monobloc ( 1) permet de recevoir par emboîtement l 'élément antidérapant ( 15).  monobloc (1) allows to receive by interlocking the non - slip element (15).

A notre connaissance, par rapport aux dispositifs actuels, cette invention présente les améliorations techniques suivantes:  To our knowledge, compared to current devices, this invention has the following technical improvements:

Les pressions résultant des efforts de poussée sont transmises par l 'inter-  The pressures resulting from the thrust forces are transmitted by the inter-

médiaire de la demi-sphère ( 3) à la totalité de I 'embase monobloc ( 1) qui ne présente ni soudure ni filetage,ni collage, donc pas de points susceptibles  midpoint of the half-sphere (3) to the whole of the monobloc base (1) which has neither welding nor threading, nor bonding, therefore no points susceptible

d'affaiblir la résistance de I 'embase monobloc ( 1).  weaken the resistance of the one-piece base (1).

Le ressort ( 5) assurant une liaison élastique permet de compenser des ponts durs pouvant résulter d'usure Il permet, également, par la pression qu'il exerce sur la face inférieure de la collerette ( 6) d'appliquer cette dernière sur la flasque  The spring (5) ensuring an elastic connection makes it possible to compensate for hard bridges which may result from wear. It also makes it possible, by the pressure it exerts on the underside of the flange (6) to apply the latter to the flange

de blocage ( 7) assurent ainsi 1 'étanchéité du système.  blocking (7) thus ensure the sealing of the system.

L'embase monobloc ( 1) la demi-sphère ( 3) ainsi que son axe ( 4), la collerette ( 6), la flasque de blocage ( 7) sont réalisés dans la même matière afin de pallier aux tensions différentielles existantes dans le cas de réalisation  The monobloc base (1) the hemisphere (3) as well as its axis (4), the flange (6), the locking flange (7) are made of the same material in order to overcome the differential voltages existing in the case of achievement

en matériaux hétérogènes.in heterogeneous materials.

Le dispositif sera réalisé par moulage en matière plastique injectée.  The device will be made by molding in injected plastic.

La figure 1 représente en coupe, en élément séparé, un dispositif selon l'invention.  Figure 1 shows in section, in separate element, a device according to the invention.

La figure 2 représente en coupe, un dispositif assemblé selon l 'invention.  FIG. 2 represents in section, an assembled device according to the invention.

La figure 3 représente en coupe, en élément séparé, un dispositif selon l'invention.  Figure 3 shows in section, in separate element, a device according to the invention.

La figure 4 représente en coupe, un dispositif assemblé selon l 'invention.  FIG. 4 represents in section, an assembled device according to the invention.

Le dispositif représente sur la figure 1 comporte dans sa partie inférieure, une embase monobloc ( 1) dans laquelle est aménagée une cuvette ( 2) destinée à recevoir une demi-sphère ( 3) munie d'un axe vertical ( 4) sur lequel vient  The device represented in FIG. 1 comprises in its lower part, a monobloc base (1) in which is arranged a bowl (2) intended to receive a hemisphere (3) provided with a vertical axis (4) on which comes

s 'emboîter une collerette ( 6).fit a collar (6).

Un ressort ( 5) est placé entre la collerette ( 6) et la demi-sphère( 3).  A spring (5) is placed between the collar (6) and the hemisphere (3).

La partie supérieure est constituée par une flasque de blocage ( 7) qui présente, c 8 té interne, un aménagement sphérique ( 8) qui lui permet de s'adapter sur la partie basse de la collerette ( 9) et c 8 té externe, un profil ( 10 et 12) qui vient s'emboîter sur les profils ( 11 et 13) internes de la partie supérieure de I 'embase  The upper part is constituted by a blocking flange (7) which has, c 8 internal tee, a spherical arrangement (8) which allows it to adapt to the lower part of the collar (9) and c 8 external tee, a profile (10 and 12) which fits onto the internal profiles (11 and 13) of the upper part of the base

monobloc ( 1).monobloc (1).

L'ensemble du dispositif est recouvert d'un cache-poussière ( 14) qui renforc  The entire device is covered with a dust cover (14) which reinforces

I 'étanchéité déjà assurée par la flasque de blocage ( 7).  I 'tightness already ensured by the locking flange (7).

L'embase monobloc ( 1) reçoit sur la partie inférieure, I 'élément antidérapar  The monobloc base (1) receives on the lower part, the anti-deterioration element

( 15) fixé selon la figure 1 par collage.  (15) fixed according to Figure 1 by gluing.

Le dispositif représenté selon la figure 3 comporte dans sa partie inférieure, une embase monobloc ( 1) présentant un épaulement ( 16) qui reçoit I 'élément  The device shown in Figure 3 has in its lower part, a one-piece base (1) having a shoulder (16) which receives the element

antidérapant ( 15) posé par emboîtement.  non-slip (15) fitted by interlocking.

Le dispositif, selon I 'invention, est destiné aux applications industrielles suivantes Adaptation sur échelles, échafaudages, Adaptation sur matériel orthopédique destiné à la rééducation tel que canne,  The device according to the invention is intended for the following industrial applications Adaptation on ladders, scaffolding, Adaptation on orthopedic equipment intended for reeducation such as cane,

canne anglaise, canne de marche.English cane, walking cane.

Claims (5)

REVENDICATIONS -CLAIMS - 1 Dispositif articulé et antidérapant qui permet à tout objet perpendiculaire ou incliné à la surface portante d'augmenter sa stabilité et son adhérence par un support pivotant afin que la surface totale de l 'appui soit toujours en contact avec le sol, dans la limite de I 'angle de débattement comportant un élément antidérapant et une cavité sphérique caractérisée par une embase monobloc ( 1) sans soudure sans collage, sans filetage et -ar une demi-sphère ( 3) murte d'un axe vertical ( 4) sur lequel s'emboîte une collerette ( 6) présentant une gorge extérieure Les deux pièces la demi-sphère ( 3) et la collerette ( 6) sont séparées par un moyen élastique  1 Articulated and non-slip device which allows any object perpendicular or inclined to the bearing surface to increase its stability and its adhesion by a pivoting support so that the total surface of the support is always in contact with the ground, within the limit of I 'deflection angle comprising a non-slip element and a spherical cavity characterized by a one-piece base (1) without seamless bonding, without threading and -ar by a hemisphere (3) with a vertical axis (4) on which s '' fits a collar (6) having an outer groove The two parts the hemisphere (3) and the collar (6) are separated by elastic means ( 5) exemple ressort L'ensemble recevant, par emboîtement, dans sa partie supé-  (5) example spring The assembly receiving, by interlocking, in its upper part rieure, une flasque de blocage ( 7).  upper, a locking flange (7). 2 Dsipositif selon la revendication 1 caractérisé par le profil intérieur ( 8)  2 Device according to claim 1 characterized by the internal profile (8) de la flasque de blocage ( 7) qui épouse le profil extérieur ( 9) de la collerette ( 6).  of the locking flange (7) which matches the external profile (9) of the flange (6). 3 Dispositif selon les revendications 1 et 2 caractérisé par le profil externe  3 Device according to claims 1 and 2 characterized by the external profile ( 10 et 12) de la flasque de blocage ( 7) qui vient s'embotter sur les profils ( 11 et 13)  (10 and 12) of the locking flange (7) which comes to nest on the profiles (11 and 13) internes de la partie supérieure de I 'embase monobloc ( 1).  internal parts of the upper part of the monobloc base (1). 4 Dispositif selon les revendications 1, 2 et 3 caractérisé par le fait que la  4 Device according to claims 1, 2 and 3 characterized in that the demi-sphère ( 3) avec son axe vertical ( 4) la collerette ( 6) I 'embase monobloc ( 1)  hemisphere (3) with its vertical axis (4) the flange (6) I monobloc base (1) et la flasque de blocage ( 7) sont réalisés dans la même matière.  and the locking flange (7) are made of the same material. Dispositif selon les revendications 1,2,3,4, caractérisé par son utilisation  Device according to claims 1,2,3,4, characterized by its use pour le matériel orthopédique.for orthopedic equipment. 6 Dispositif selon les revendications 1,2,3, 4, caractérisé par son utilisation  6 Device according to claims 1,2,3, 4, characterized by its use pour des échelles et des échafaudages  for ladders and scaffolding
FR8221159A 1982-12-15 1982-12-15 Articulated anti-skid device. Granted FR2538078A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8221159A FR2538078A1 (en) 1982-12-15 1982-12-15 Articulated anti-skid device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8221159A FR2538078A1 (en) 1982-12-15 1982-12-15 Articulated anti-skid device.

Publications (2)

Publication Number Publication Date
FR2538078A1 true FR2538078A1 (en) 1984-06-22
FR2538078B1 FR2538078B1 (en) 1985-05-10

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ID=9280202

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8221159A Granted FR2538078A1 (en) 1982-12-15 1982-12-15 Articulated anti-skid device.

Country Status (1)

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FR (1) FR2538078A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1803984A3 (en) * 2005-12-27 2008-03-19 Carlo Perini Levelling foot used to provide steady fixing of a helical spring inserted along its threaded stem
EP2153104A1 (en) * 2007-05-03 2010-02-17 Ngi Aps Machine foot
GB2483692A (en) * 2010-09-17 2012-03-21 Adrian Lowes Ladder stabiliser
CN1727264B (en) * 2004-07-28 2013-01-23 三菱电线工业株式会社 Anti-slip device
EP3181983A1 (en) * 2015-12-15 2017-06-21 Axis AB An arrangement for supporting a monitoring camera and a method for assembling the arrangement

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH91746A (en) * 1921-02-17 1921-11-16 G Halter Stick tripod.
US1417353A (en) * 1919-10-11 1922-05-23 Fred J Rynerson Ladder foot
FR601857A (en) * 1925-07-17 1926-03-09 Cane stand for cameras
FR1260098A (en) * 1960-03-22 1961-05-05 Non-slip ball joint, for ladders and other applications
GB894888A (en) * 1960-07-19 1962-04-26 Viktor Langen Improvements in ball and socket joints
GB983560A (en) * 1962-09-18 1965-02-17 Polymathic Engineering Company Supporting stand for instruments, tools and the like
DE1284704B (en) * 1965-09-30 1968-12-05 Siemens Ag Compensating coupling
DE1454013A1 (en) * 1962-11-12 1968-12-05 Heinz Lang Single stile ladder
FR1552796A (en) * 1967-01-17 1969-01-10
DE2233434A1 (en) * 1972-07-07 1974-01-24 Volkswagenwerk Ag TRIPOD-LIKE SUPPORT FOR ONE PART, IN PARTICULAR FOR A DIAL
FR2436280A1 (en) * 1978-09-14 1980-04-11 Peugeot TWO-PART BALL BEARING JOINT
US4300742A (en) * 1979-08-09 1981-11-17 Hunn Douglas C Cane holder

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1417353A (en) * 1919-10-11 1922-05-23 Fred J Rynerson Ladder foot
CH91746A (en) * 1921-02-17 1921-11-16 G Halter Stick tripod.
FR601857A (en) * 1925-07-17 1926-03-09 Cane stand for cameras
FR1260098A (en) * 1960-03-22 1961-05-05 Non-slip ball joint, for ladders and other applications
GB894888A (en) * 1960-07-19 1962-04-26 Viktor Langen Improvements in ball and socket joints
GB983560A (en) * 1962-09-18 1965-02-17 Polymathic Engineering Company Supporting stand for instruments, tools and the like
DE1454013A1 (en) * 1962-11-12 1968-12-05 Heinz Lang Single stile ladder
DE1284704B (en) * 1965-09-30 1968-12-05 Siemens Ag Compensating coupling
FR1552796A (en) * 1967-01-17 1969-01-10
DE2233434A1 (en) * 1972-07-07 1974-01-24 Volkswagenwerk Ag TRIPOD-LIKE SUPPORT FOR ONE PART, IN PARTICULAR FOR A DIAL
FR2436280A1 (en) * 1978-09-14 1980-04-11 Peugeot TWO-PART BALL BEARING JOINT
US4300742A (en) * 1979-08-09 1981-11-17 Hunn Douglas C Cane holder

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1727264B (en) * 2004-07-28 2013-01-23 三菱电线工业株式会社 Anti-slip device
EP1803984A3 (en) * 2005-12-27 2008-03-19 Carlo Perini Levelling foot used to provide steady fixing of a helical spring inserted along its threaded stem
EP2153104A1 (en) * 2007-05-03 2010-02-17 Ngi Aps Machine foot
EP2153104A4 (en) * 2007-05-03 2011-04-27 Ngi Aps Machine foot
CN101715527B (en) * 2007-05-03 2012-03-21 Ngi股份有限公司 Machine foot
US8141841B2 (en) 2007-05-03 2012-03-27 Ngi Aps Machine foot
GB2483692A (en) * 2010-09-17 2012-03-21 Adrian Lowes Ladder stabiliser
EP3181983A1 (en) * 2015-12-15 2017-06-21 Axis AB An arrangement for supporting a monitoring camera and a method for assembling the arrangement
US10070024B2 (en) 2015-12-15 2018-09-04 Axis Ab Arrangement for supporting a monitoring camera and a method for assembling the arrangement

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