DE7724077U1 - ARTICULATED ARM FOR AWNINGS - Google Patents

Description

::. ·. _{::: '·.} >'.' I »August 1977

DR. GERHARD RATZEL ""'''οο Mannheim ι _68,

,, _ Seckenheimer Str.36a, Tel. (0621) 406315

PATENT ADVOCATE -. _

File 8 ^ 88

Postal checking account: Frankfurt / M .Nr. 8293-603 Bank: Deutsdio Bank Mannheim No. 72/00066 Te I β g r. - Co d β: Gerpat Telex 463570 Para D

company

Müller KG

- Awning construction -

Seekenheiiner Strasse

6800

Articulated arm for awnings

The invention relates to an articulated arm for awnings, consisting of an upper part, which at one end Has axle bearing for the passage of a fastening axis and articulated at the other end with a lower part is connected to which one end of a front profile carrying the awning cover is attached.

Awnings are known in which the articulated arms are spring-loaded with the one carrying the arms! Mounting axis, are connected. For example, with one known awning whose extension arms consist of two parts, the upper part with an external spring connected, which acts at the same time on the mounting axis. If the articulated arms fail

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this against the tension of the mainspring. The pulling force of the springs can However, it cannot be changed, it is fixed with a built-in spring. S.

The invention is based on the object of providing an articulated arm for '·

To create awnings in which the spring force for angling j

of the articulated arm is adjustable, whereby the spring is protected should be ordered and, moreover, the rest position of the spring

should be given by the unfolded articulated arm. "

This object is achieved in that, according to the invention, inner |

half of the lower part a spring is arranged, whose from the upper ^;

Partly removed or lower end for issuing a spring advance |

tension is movably supported and from outside the lower \

part is adjustable lockable, wherein at the upper part of the inlet '- facing or upper end of the spring a traction cable is fastened, whose other end is fixed to the axle bearing or to the upper part.

The salient advantage of the articulated arm according to the invention, which is of course available twice for each awning, consists in the fact that the spring for pivoting the articulated arm one Any size of spring preload can be granted by using the

displaceably supported end of the spring is shifted accordingly. This shifting of the end of the spring from outside the lower part or the shark is now highly advantageous

sion of the spring possible, so that the Federvor tension from the outside can be adjusted and regulated at any time. The spring is therefore accessible from the outside. In addition, the pull rope is designed in this way led that it shortened by the spring when the articulated arm is unfolded so that the rest position of the spring is given when the GJelenkarin and thus the awning is unfolded.

In a further embodiment of the invention, the spring is preferred a tension spring with an internal thread in the lower end

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is arranged, into which the shaft of a threaded spindle protruding from the outside through the housing is screwed with a head which rests rotatably on the housing from the outside »This means that a change is made by simply turning the threaded spindle the preload of the tension spring possible. The shaft of the threaded spindle is more or less screwed into the spring, which has an internal thread for this purpose. It is also possible, to give the threaded spindle at its end, which opens into the tension spring, a design that the spring turns corresponds · Then the spindle can simply be in the of the spring movements enclosed interior are screwed. Or a nut can be welded into the spring below the end of the shaft of the threaded spindle or threaded screw is screwed in.

In a further embodiment of the invention, the spring is preferred a tension spring, at the end of which is remote from the upper part a threaded rod is attached, which protrudes through the housing and on which a nut is screwed from the outside. As a result, the threaded rod and thus the The end of the tension spring can be moved as desired, whereby the tension spring can be given the desired spring preload.

The invention is based on the description below two embodiments shown in the drawing explained in more detail. It shows:

Figure 1 is a view of an articulated arm with partially removed cover of the lower part of the same and

Figure 2 shows another type of fastening of the lower end of the spring on the lower part.

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According to the figure 1 consists of the articulated arm for awnings, each Awning naturally has two articulated arms of this type, consisting of an upper part 1 and a lower part 2, which are articulated with one another are connected.

The upper part 1 has at its upper end a head part 3 which has a bore 4 through which the not shown Attachment Bachs is guided. The upper part 1 opens into one upper, dovetail joint part 6, in which the End 5 of the head part 3 is inserted. The end 5 and the joint part 6 are articulated to one another by means of a bolt 11. Two cams 7, 8 limit the rotational movement of the Head part 3 such that the cams 7, 8 on support surfaces 9 of the upper joint part 6 of the upper part 1 rest. The head part 3 is thus pivotably connected to the upper part 1, wherein the head part 3 is arranged in a straight line with the upper part 1 in the failed position.

The upper part 1 ends in a lower joint part 12, which in a likewise dovetail-shaped threaded part 13 of the lower part 2 is inserted. A bolt 14 connects both joint parts 12, 13 of the upper part 1 and the lower part 2, respectively.

A tension spring 16 is now arranged within the lower part 2, the end of which is remote from the upper part 1 for issuing a spring ν or tension is fastened with a screw 17. the Screw (special screw) 17 protrudes through the drop bar holder 19 of the lower part 2 to the outside,

The other end of the tension spring 16 is fastened with a tension cable Io which passes through the lower part 15 is guided over the joint 12, 13 and through the upper part 1, over the joint 6, 5 towards the head part 3. The end of the pull rope Io is fastened inside the head part 3. The pull rope

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is attached with respect to the head part 3 on the _{side carrying the cams 7 #} 8, so that when a pull is exercised, for example when the articulated arm is folded up, the head part and thus the upper part 1 are moved towards one another in such a way that the cams 7, 8 on the Surfaces 9 of the joint part 6 are in contact. A flexion of the articulated arm thus results in an extension of the pull rope, whereby the tension spring 16 is tensioned.

At the lower end of the lower part 2 let a drop pole holder 19 attached, the dae carries one end of the drop profile, not shown, to which the awning covering is attached.

Figure 2 shows a further embodiment of the fastening of the lower end of a spring 27 within a lower part

On the lower end of the spring 27 is a round end face Welded on clamping bolt, which has a through hole with an internal thread 26. This clamping bolt, 22 has a diameter that is slightly smaller than the inner diameter of the lower part 28, so that the clamping bolt 22 and thus the end of the spring 27 is slidably guided within the lower part. The shaft is now in the through opening of the clamping bolt 22 23 screwed a threaded screw 24, which has a thread 29 •having. The shaft 23 protrudes through the housing 28 on the front side outwards, with the head 25 of the screw rotatable a ^ the lower part rests on the outside. When turning the head 25 by means of With a wrench, the shaft 23 now turns more or less far into the clamping bolt 22 and thus into the lower one End of the spring 27 into it. As a result, the spring 27 can be given different amounts of preload.

Instead of a threaded screw, a threaded spindle with a head can also be used, the outer end of which is shaped in this way

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is that it is in the inner roughness enclosed by the spring coils can be screwed in. In this case, the thread for the spindle is arranged within the spring itself.

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Claims (1)

ti e <* r ■ » Protection claims Articulated arm for awnings, consisting of an upper part that at one end an axle bearing, for the passage of a fastening § Has axis and which is articulated at the other end to a lower part on which one end of the awning cover supporting drop profile is attached, characterized in that a spring within the lower part (2) (16) is arranged, whose end (2o) remote from the upper part (1) or the lower end (2o) displaceable for issuing a spring ν or clamping is held and adjustable from outside the lower part can be locked, with the one facing the upper part (1) or the upper end (21) of the spring (16) a pull rope (lo) is attached, the other end of which is attached to the axis laser (3) or is attached to the upper part (1). Articulated arm according to Claim 1, characterized in that the spring is a tension spring (27), the lower end of which has 3ln internal threads or carries a clamping bolt (22) into which the shaft (23) of a housing protrudes from the outside The threaded spindle or threaded screw (24) is screwed to a head (25) which is rotatable from the outside on the housing (28) rests. Articulated arm according to claim 1, characterized in that the Fedei- (16) is a tension spring, at the end (2o) of which a screw (17) is attached which is remote from the upper part the housing (15) protrudes and onto which a nut (18) is screwed from the outside. 7724077 08/31/78