FR2644832A1 - Door-blocking device - Google Patents

Abstract

It is composed of a flexible strip 1 having a longitudinal section in the form of an upturned U. The upper part 2 of the U is substantially longer than the branches 3, 4 which descend downwards. The branches are each covered with a band 5 of resilient material. The band also covers, on one side, the lower edge of the branch, to form a flange 6 and, on the other side, the bend between the branch and the upper part of the U. The band part covering the said bend is extended by a projecting part directed upwards. The projecting part 7 is directed substantially along the bisecting line of the angle of the bend.

Description

The present invention relates to a locking device in

  position of a door which includes a flexible blade whose ends

  tees are fitted with non-slip pads.

  A device of this type is already known in which the flexible blade has a longitudinal section in an inverted U, the upper part of the U is substantially longer than the branches which descend downwards, the ends of the vertical branches being provided with skid made of rubber. To use this device, you bend the upper part of the blade between your fingers to form a concave hollow

  upwards and slide the lower part of the hollow under the door.

  Given the elasticity of the blade, the hollow tends to rise and the pads rub on the ground which causes the leaf to immobilize. It appears, in practice, that to fold the blade it is necessary to use the two hands, because the fingers tend to slide on

  the metal surfaces of the branches of the blade.

  In another blocking device of the kind mentioned above

  above, the blade only has a horizontal part, the ends of which

  tees are respectively connected by two rubber feet.

  cabbage. Each rubber foot comprises, at the bottom, a shoe part, at the top, a part serving as a horizontal bearing surface for the corresponding end of the blade, and a part which protrudes above the blade. The parts of the two feet that protrude above the blade serve as finger grips. It is easy to fold the blade with one hand, but the elastic return force of the blade is weaker. On the other hand, the connecting means between each end of the blade and the part of the rubber foot on which it rests have weaknesses. In particular, if these connecting means are screws, these can easily come out of the rubber and

become dangerous for a child.

  An object of the present invention is to provide a device

  blocking type of the type mentioned above, which does not have the

disadvantages mentioned.

  According to a characteristic of the invention, the blocking device consists of a flexible blade with a longitudinal section in inverted U, the upper part of the U being substantially longer than the branches which descend downwards, said branches each being covered with '' a strip of resilient material, said strip also covering, on one side, the lower edge of the branch to form a shoe and, on the other side, the elbow between the branch and the upper part of the U, said part of strip covering said elbow

  being extended by an upwardly projecting portion.

  According to another characteristic, the projecting part is

  substantially directed along the line bisecting the angle of the elbow.

  According to another characteristic, the shoe part of the strip

is striated transversely.

  According to another characteristic, the external surface of the

  protruding part is striated transversely.

  The characteristics of the invention mentioned above, - thus

  if others will appear more clearly on reading the

  following description of an exemplary embodiment, said description

  being made in relation to the accompanying drawings, among which: FIG. 1 is a perspective view of a locking device according to the invention, and FIG. 2 is a view in longitudinal section of the device

blocking of FIG. 1.

  the locking device of Figs. 1 and 2 includes a steel blade 1 with inverted U section, the upper part 2 of which is approximately 10 cm long and the branches 3 and 4, oblique, almost

  vertical, are about 2.2 cm long. Part 1 is sensitive-

  horizontal and, even slightly concave upwards, like the

shows the section of Fig. 2.

  Along each of the branches 3 or 4, a rubber band 5 is stuck which passes under the lower edge of each branch by forming a bead 6 which serves as a pad. At the top of each branch, the strip completely covers the elbow between the branch and the adjacent part of the horizontal part 2. In addition, the bent part

  has a projection 7. In the embodiment shown, the thick-

  The rubber band has a thickness of approximately 3 mm, the part 2 is covered over approximately 1 cm, and the projecting part has a height of approximately 13 mm. As still shown in FIG. 2, the projection has a shape of a relatively acute V whose angle at the top is rounded. The

  bisector line of V and elbow are practically confused.

  Finally, the external face of each projection and each shoe

  have transverse streaks.

  In practice, the rubber parts come out of molding and

  are glued to the blade parts to be covered.

  It will be readily understood that the locking device according to the invention is easy to fold with one hand in order to pass the middle of part 2 under the door. Since the flexible blade goes from one pad to another, its elastic restoring force is important, which ensures good adhesion of the pads and therefore effective blocking. There is no part of the device that is dangerous for children. In particular, even if a rubber band comes off, it should not be able to be absorbed orally by

because of its size.

Claims (4)

  1) Device for locking a door and component of a blade   flexible (1) with inverted U longitudinal section, the upper part   lower (2) of the U being substantially longer than the branches (3, 4) which descend downwards, said branches (3, 4) are each covered with a strip of resilient material (5), said strip (5) also covering, on one side, the lower edge of the branch to form a shoe (6) and, on the other side, the elbow between the branch (3 or 4) and the upper part (2) of the U, said part of the band covering said elbow being extended by a projecting part (7) directed upwards.   2) Device according to claim 1, characterized in that the projecting part (7) is substantially directed along the line bisector of the angle of the elbow.   3) Device according to claim 1 or 2, characterized in   that the shoe part (6) of the strip (5) is transversely ribbed- is lying.   4) Device according to one of claims 1 to 3, character-   dried in that the external surface of the projecting part (7) is transversely striated.