FR2695764A1 - Extension of spacers for electrical appliances. - Google Patents

Abstract

The invention relates to an extension of spacer studs for a built-in electrical appliance, the existing studs of which are adjustable by means of an adjusting screw (9). The peculiarity of the invention lies in the fact that the crampon extension (2) can be nested from above, seen in the direction of embedding of the electrical device by adaptation of shape, on the existing crampon (1) arranged to the built-in part of said device (10).

Description

AT

  ELECTRICAL DEVICE SPREAD LENGTH

BUILT-IN

  The invention relates to an extension clamp for an electrical appliance intended to be built-in. The majority of electrical appliances

  commercially available downlights generally

  retaining studs arranged laterally to the built-in part of the electrical appliance These studs can be spread, using adjusting screws, against the internal walls of insulation boxes or other recessed walls, for mounting devices (see DE A-40 28 766) For various reasons, for example in the case of deep recessed parts in the direction of embedding or in the case of walls covered with an additional coating, consequently fitted with boxes insulation embedded deeply :, it is necessary to equip the built-in parts of the elongated crampon apparatuses so as to allow sufficient fixing of the built-in apparatuses in the corresponding wall The document DE-A-26 21 719 described by

  example a device for the extension of conventional studs.

  In this case, these are considerably longer studs which are arranged over the existing studs on the rod of an adjustment screw so that, in this embodiment of the fixing means, the studs do not interfere with each other, particularly long studs have a through passage opening

  by the points of existing crampons Despite the super-

  position of the crampons, a relatively tight arrangement is thus obtained of the crampons not spaced along the built-in part of the apparatus so as to thus allow the embedding of the apparatus without difficulty. Starting from the state of the art-in accordance with document DE-A-40 28 766, we seek to provide an extension for the known spacers, which is also based on the return torque of the spikes

  to obtain a restraining effect.

  The object of the invention is achieved by the fact that said extension can be plugged in by adapting its shape to the crampon arranged on the insertable part.

of said device.

  According to an advantageous embodiment of the invention, said extension comprises a U-shaped guide means provided with an inclined entry plane, which allows the fitting on said clamp of the built-in device. According to a particularly advantageous embodiment, the extension comprises a spring element

  which has a contour which is adapted around the crampon.

  Advantageously, the spring element engages by snap-

  tage behind the points of the crampon; this avoids the separation of the crampon extension according to the

  opposite direction to the nesting direction.

  The drawings represent an embodiment of the invention: FIG. 1 is a partial section through the built-in part of an electrical appliance, the conventional crampon being connected by shape adaptation to a crampon extension; Figure 2 is a plan view of the device according to Figure 1, Figure 3 is a side view with the corresponding plan view of the spike extension; Figure 4 is a side view with corresponding plan view of the conventional stud; FIG. 5 is a plan view of the conventional crampon fitted with the fitted extension, with a

detail A of this figure.

  Said figures 1 to 5 represent an embodiment of the invention As can be seen in FIG. 1, the conventional spacing clamp 1 is removable using an adjustment screw 9 of the built-in part of the apparatus 10 A crampon extension 2 was fitted onto the crampon 1 for the reasons mentioned

upper.

  The crampon extension 2 comprises, in the direction of nesting on the crampon 1, a U-shaped guide means 7 which surrounds the conventional crampon by shape adaptation (Figure 2) It can also be seen in Figure 1, that the crampon extension 2 also has an inclined plane 3 in order to facilitate the introduction of the conventional crampon, during assembly As can be seen in FIG. 3, the crampon extension 2 comprises a spring element 5 whose contour 4 ' is adapted to the contour 4 of the existing crampon 1 FIG. 4 represents the classic crampon 1 and FIG. 5 represents the extension

  of crampon 2 fitted onto said conventional crampon 1.

  It should be noted how much the outline 4 of the crampon

  1 corresponds to the contour 4 'of the crampon extension 2.

  We also see how the spring element 5 engages by snap behind the points 6 of the clamp 1 (detail A) and thus prevents the separation of the clamp extension 2 in a direction opposite to the direction of the interlocking Figure 5 also shows that the edges II of the crampon extension 2 abut against the crampon points 6 in order to thus prevent separation in the direction of fitting.

Claims (4)

  1 Extension of spacers of an electrical appliance intended to be built-in, characterized in that it (2) is nestable by adaptation of shape on the spike (1) arranged to the part built-in of said apparatus (10).   2) Extension according to claim 1, characterized in that it (2) comprises a U-shaped guide means (7) provided with an inclined inlet plane (3), which allows the nesting on the crampon of the device (1). 3) Extension according to claim 1, characterized in that it comprises a spring element (5) which has a contour (4 ') which is adapted to the outline (4) of the stud (1).   4 Extension according to claims 1 and 3,   characterized in that the spring element (5) engages by snap behind the points (6) of the crampon (1), which makes it possible to avoid the separation of the crampon extension (2) in the opposite direction in the sense of nesting.