FR2626790A1 - MARBLE-FITTING TRACTION BALL FOR ASSEMBLING, MONITORING AND REPAIRING BODIES OF MOTOR VEHICLES - Google Patents

Abstract

This bracket is remarkable in that it comprises a base, one end of which is shaped to be coupled to a part of the plate while the other end receives a vertical arm 1 articulated laterally and transversely by means of a shoe 2 mounted with capacity articulation on the base, characterized in that said shoe 2 internally receiving the arm 1 is arranged in combination with the latter to allow its angular locking from a median vertical position of 90degre (s) up to 180degre ( s), with, between its two positions, in one direction or the other, at least one intermediate angular position.

Description

- i - Adjustable traction bracket & a marble, for the

  assembly, control and repair of vehicle bodies.

motor vehicles.

  The invention relates to the technical sector of mathematics

  for the construction and repair of motor vehicles. It is known to use marbles for contraL

  and the repair of motor vehicle bodies

  particular teeth, these marbles being likely to be equipped

  different organs and accessories suitable for performing an opera-

  specificity. This is the case for example known devices

  under the name of traction brackets shaped to ensure

the recovery of the tails.

  lS For the most part, a square includes a base

  one end of which is arranged with means for accom-

  plume & part of the marble. The other end of the base

  Must be a vertical arm mounted with angular pivot capability

  re in a lateral and transverse plane. On this vertical arm

  can be hung at different heights,

  linked to a corresponding part of the bodywork to exert a strong traction effect under a lateral pivoting effect of said

  arm, by means of a jack for example. In addition, according to the

  parts of the body A straighten and angular forces

  to which they must be subjected, the arm can be posi-

  angularly, in a transverse plane.

  Generally, this arm is mounted inside a

  hoof articulated on the base of the square.

  However $ it appears that the blocking in position of

  In the hoof, according to different

  gulars, is very limited, which can prove neaaste.

certain cases.

  The aim of the invention is to remedy

  disadvantage in a simple and effective way.

  The problem is solved in that the shoe receives

  Inwardly the arm is arranged in combination with this

  last to allow its angular blocking & from a po-

  the median vertical position from 90 ° to 18 °, with, between its two positions, in one direction or the other, at least one posi-

intermediate angular

  For this purpose, the shoe has holes. able to co-

  operate with at least two removable axes capable of

  engaged in the thickness of the brace, the said holes being

  symmetrically arranged in relation to a vertical axis.

  The shoe presents. at least two holes arranged according to the same vertical alignment with a determined spacing, at least two holes arranged in a same horizontal alignment and with the same spacing and at least two holes arranged in the same oblique alignment and each separated from one of aligned holes

  horizontally, following the same fixed spacing.

  This same problem appears in the design of the base which is compdsée two parts articulated relative to each other, with locking means in position. For

  solve this problem of angular pivoting, the base is

  of two articulated beams by means of a part forming

  clevis arranged to allow the angular locking of the two

  from a median position corresponding to an alignment

  axial force up to 900, with, between its two positions in a

  direction or in the other, at least one intermediate angular

diaire.-

  For this purpose, the screed portion presents

  holes capable of cooperating with at least two removable axes

  tible to be engaged in the thickness of the other beam, the

  said holes being suitably arranged symmetrically with respect to

port to a vertical axis.

  The screed portion has at least two holes

  arranged in the same vertical alignment with a distance between

  completed, at least two holes arranged according to a * Ume alignment

  horizontal and with the same distance between centers and at least

  - 3 - laid in a single oblique alignment and each separated from the

  horizontally aligned holes at the same center distance

  completed. Another problem appears in some cases where it is necessary either to exert traction on the body, but a pushing force. For this purpose, a jack is used which is fixed at any point on the vertical arm.

  to act in thrust on the bodywork.

  However, given the articulated mounting of the arm,

  it is necessary to temporarily block the latter in posi-

vertically.

  To this effect we proceed in an inefficient way

  connecting the arm to a fixed point of the body, for example

pie, by means of chatnes.

  This problem is solved in that the function of the

  articulated cylinder connecting the vertical arm and the base, is

  may be temporarily removed by means of a rigid rod

  linkage able to be coupled on the axes of articulation

rod or body of the cylinder.

  The invention is described below in more detail with the aid of the accompanying drawings, in which: FIG. 1 is a perspective view of the traction square;

  FIG. 2 is a front view showing

  your lateral angular orientations of the arm,

  FIG. 3 is a plan view showing the articu-

  lation of two beams constituting the base,

  FIG. 4 is a partial view showing the

  temporary pressure of the effect of the traction cylinder during a

  specific operation of the bodywork treatment.

  In order to make the object of the invention more concrete,

  now described in a non-limiting way by referring to

  to the exemplary embodiments of the figures-drawings.

  In a known manner, the traction square comprises

  a CE base> one end is arranged to be accou-

  marble, while the other end receives a green arm

  The arm (1) is engaged within a shoe (2V, the base of which has two vertical wings (2a) for a hinge of said hoof on one side). part of the base, in particular a beam (3) The arm (1) is furthermore connected to the base by a traction cylinder (4) hinged by its side and by its tigey on the one hand on said arm

  and, on the other hand, on said base.

  The lower part of the arm (1) is engaged between two transverse wings (2b) of the shoe being held in the angular position by means of two ax-es removable pinned (5) and (6) .- These two axes (5) ) and (6) cooperating in combination with a plurality of holes (2cY) formed in the thickness of the wings (2b) and able to be matched with holes formed

  in the thickness of the arm and receiving said axes (5) and (6).

  As shown in Figure 2e each of the wings (b> has two holes (2cl) arranged in a vertical alignment

  which constitutes a axis of symmetry. These two holes (2cI> are

  trimmed by a distance (x)> corresponding to that of the holes formed in the thickness of the arm. Symmetrically to the vertical axis defined by the hole (2c!) # Are established two other holes (2c2) arranged selobn a m # me horizontal and following alignment.le mime interaxe

(X).

  At least two other holes (2c3) are established symmetrically

  the vertical axis defined by being arranged according to the same horizontal alignment. These holes (2c35) are formed under the

  holes (2c2) being closer to the vertical axis of symmetry

  30. sorts so that one of the holes (2c3> considered of one of the sides of the axis of symmetry is in oblique alignment with one of the holes (2c2), considered of the other category of the symmetry core according to a previously defined center (x) Given this combined arrangement of trouse it is possible to orient the arm in different positions -5angular and maintain it in these positions, depending on the judicious positioning of pivot axes (5) and (b) Figure 2. The arm (1) can thus occupy a median vertical position of 90 up to 180l, with, between see two positions, in one direction or

  in the other, at least one intermediate angular position.

  This same principle of angular orientation with blocking

  position in variable positions, is applied to the

  calf of the base, which, in a known manner, is composed of

  two articulated beams (3) and (7>.

  The beam (3) receiving the arm (1) is articulated in

  end of the beam <7) by means of a portion (7al forming a screed.

  The wings of the yoke (7a) have a plurality of holes: 7b) arranged as indicated above for the shoe, to allow the angular locking of the two beams from a median position corresponding to an axial alignment up to 90 ° with, between its two extreme positions, in one direction or the other, at the hands an intermediate angular position (figurg Note that the beam C7), opposite the screed

  (7a) is arranged to be coupled to a corresponding part

&

marble.

  Comame indicated, the whole arm (1) mounted in the

  shoe (2), is connected to free articulation and the base (E) notaem-

  to the beam (<3) while being controlled by a traction cylinder (4). The fat (4a) and the rod e4b) of this cylinder are articulated on pivot axes respectively <8) and (<9, mounted in overflow

  part of the arm and beam '(5).

  To temporarily remove the effect of the cylinder (4, f a rigid rod C10) is coupled to the axes (8 and (9) to join them together .It therefore appears that if a thrust cylinder (11) is

  placed between the arm (1) and a part of the bodywork, this last

  deny can normally exert its push effect, being

  born that the arm will be immobilized in a vertical position.

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  motor vehicles, including a base of one end, is

  formed for Stre mated to a part-, marble while

  the other end is a vertical arm (MI articulated side-

  transversely, characterized in that the mbase is composed of two articulated beams (3) and C7) by means of a

  clevis portion (7a) arranged to allow the

  of the two beams from a median position corresponding to

  axially aligning up to 90% with, between its two positions, in one direction or the other, at least some

intermediate angle.

  - 5 - Angle bracket according to claim 1, characterized in that the base is composed of two articulated beams (3) and (7) to

  means of a foarmant part clevis arranged to allow the blocking

  angular cage of the two beams from a median position corresponding to an axial alignment up to 90a with between its

  two positions, in one direction or the other, at least one

intermediate angular tie.

  Angle bracket according to any one of claims 4 and 5.

  characterized in that the clevis portion (7a) has holes (7b) adapted to cooperate with at least two amavible pins capable of being engaged in the thickness of the other beams, said holes being suitably symmetrically arranged by

report & a vertical axis.

  Angle bracket according to claim 6, characterized in that

  the clevis portion (7a) has two holes

  according to the same vertical alignment with a given spacing, at the hands two holes arranged in the same horizontal alignment and with the same spacing and at least two holes, arranged according to a gmme oblique alignment and each separated from one of the holes

  aligned horizontally, according to the same fixed spacing.

  - 8 - angle selron any one of claims 1, 4 and

-6 8

  characterized in that the vertical arm (1) is

  base by means of a cylinder articulated on the one hand, on said arm and on the other hand, on said base plates the hinge pins of

  the rod or body of the cylinder being shaped to be accommo-

  if necessary, by means of a rigid connecting rod.

  Angle bracket according to any one of claims 4 and 5,

  characterized in that the screed portion (7a) is disposed

  end of the beam shaped to be coupled to the marble.