DE1752995A1 - Sandblasting cabin - Google Patents

Description

Patent attorneys

Dr. Ing.H. Negendonk -mrortoc

Dip »·. '« G. H. Haudc 17b 2,995 Dipl. Fhv-. W. Scbmifz

2 Hamburg 36 ig / \ _uq iqcö

Neuer Wall 41 ■ ^Jt " ^u "' ^I3DO

H.A. Dietiker AG, Gstadstrasse 23, 8702 Zollikon (Switzerland)

Sandblasting cabin

The invention relates to a sandblasting cabin with a

an upper horizontal axis hinged door that a

Viewing window and two hand holes provided with seals having.

Sandblasting cabins of this type are already known. In these, the hinged door is made in one piece. These Bauart has the advantage that it works trouble-free, is easy to operate and takes up little space. A disadvantage However, this type of construction is that after sandblasting one

BAD ORIGINAL 109816/0823

Workpiece when folding up the door possibly on this Adhesive sand can fall onto the operator and onto the floor, as the lower edge of the door causes a problem when it is opened describes a wide arc.

The invention aims to remedy this disadvantage. It is characterized in that the door is designed in two parts, the two door parts being connected to one another so that they can pivot about a horizontal axis, and that guide means are provided which limit the lower edge of the lower door part when the door is opened and closed when the door is closed Guide parts of the wall along. Due to this design, any sand adhering to the door parts falls into the interior of the cabin when the door is opened. _; /, .-

In the drawing, an embodiment of the'Erfindungsgagenstandes is shown. Show it: - .: . ,.,;, .. a_.

1 shows a view of a sandblasting cabin from the front; ■■. ■■ - ■■ - · ■■■ · -

FIG. 2 shows a side view of the sandblasting cabin according to FIG. 1 door folded up; and

3 shows a front view of the cabin according to FIG. 1 with the door folded up.

109816/0823 bad original

1762995

The cabin 1, which is square in plan, rests on four feet 2. It can be closed by a two-part door 3a, 3b, the upper part 3b of which is pivotably connected to the cabin ceiling about a horizontal axis 4. The lower door part 3a is connected to the upper part 3b by door hinges 5 and thus also around a horizontal axis λ relative to this

pivotable. In the closed position, the lower part 3a of the door rests on the vertical wall parts la and the upper part 3b of the door on the rearward sloping wall parts Ib. A guide rail runs along these wall parts on both sides 6. 'In each of these engages a roller 7 fastened to the lower door part 3a, so that the lower edge of the lower Door part'3a when opening and closing the door Wall parts la, Ib is guided along.

In order to balance the weight of the door parts 3a, 3b and to hold them in the open position, are on the axes of the

8th
Rollers 7 wire ropes / attached, which run over guide rollers 9, 10, 11 and carry a counterweight 12. This is movably arranged in guides along the rear wall of the cabin 1. A handle 13 is attached to the lower door part 3a, which allows the door parts to be opened and closed. Furthermore, two hand holes with rubber seals 14 are attached to the door part 3a, which are intended for operation when the cabin is closed

109816/0823

are. The upper door part 3b contains a viewing window. Under the cabin 1 is an outlet funnel 16 in a known manner arranged for the sand. On the inner wall of the lower door part (3a) is also a downwardly directed deflector plate 17 attached, through which the inside of the door thrown sand is directed back into the cabin or into the discharge funnel.

109816/0823

Claims (5)

Claims 1, sandblasting cabin with a door that can be opened around an upper horizontal axis and which has a viewing window and has two hand holes provided with seals, characterized in that the door is constructed in two parts is, wherein the two door parts (3a, 3b) are pivotably connected to one another about a horizontal axis, and that guide means (6, 7) are provided, which the lower edge of the lower door part (3a) when folding up and when closing the door, guide the wall parts (la, Ib) delimiting the door opening along. 2. Sandblasting cabin according to claim 1, characterized in that that in the closed position of the door the lower door part (3a) on the vertical (la) and the upper door part (3b) on wall parts (Ib) of the " Cabin (1) is present. 3. Sandblasting cabin according to claim 1, characterized in that the mentioned guide means rollers (7) or pins which engage in guide rails (6) arranged on the wall parts of the cabin. 109816/0823 1762995 4. Sandblasting cabin according to claim 1, characterized in that the lower door part (3 a) 5 parts or Straps (Θ) are attached, which run over pulleys (9, 10, 11) and are connected to a counterweight (12). 5. Sandblasting cabin according to claim 4, characterized in that the counterweight (12) along the Rear wall of the cabin (1) is performed. 1098 16/0823 Blank page