SI8310311A8 - Edge gear for windows, doors and similar - Google Patents

Abstract

The edge mechanism consists of a cover rail (1), of a displaceable actuating rod (2) and of a housing (3) fastened to the cover rail. Located in the housing (3) is a pinion (7) which cooperates with the actuating rod. The cover rail (1) and actuating rod (2) are positionally fixed in a basic position by a web (18) formed on the housing. The webs (18) project into recesses (19) in the pinion (7). The recesses (19) engage round the circumference of the webs (18) on all sides. When the edge mechanism is actuated for the first time, the webs (18) are sheared off and remain permanently in the recesses (19). The accuracy of the edge mechanism is thereby no longer impaired. <IMAGE>

Description

IVIC IS NOT A WINDOW, DOOR OR SIMILAR

FIELD OF THE INVENTION

The invention extends from the axis to the edge gear for windows, doors or the like, and falls within the field of manufacture of fittings for windows, doors, or the like. to a building locksmith. According to the International Patent Classification, the invention is classified and indicated by the classification symbol E O5 C 9/02.

Technical problem

The technical problem to be solved by the invention consists in the following: how to make an edge and a gear with a shear fuse, this one is so designed and arranged that it cannot interfere with the stroke of the edge gear after its oa.secanj aa aoaje.

The state of the art

With the help of such edge gear known from BE - GM 61 1? 359, it will be achieved. varying the size of the adjusting rod in a colored bar The mounting aid facilitates and avoids the possibility of incorrect enclosure, especially if further adjustments are required to the adjusting rod but also to the fittings that need to be connected so that they are fixed in position or if The adjustment bar and the circumferential sinew due to the limiting length adjustment, must be jointly reduced and the cut to be adapted to the particular size of the window sash.

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- 5 Technical problem description

A technical problem is solved by finding one. the way that the rib enters the opening of the toothed drive gear rim, whereby a groove with a sharp edge is sharpened at the base of the rib casing, and which is in the area of the rib shaft on the outside of the half of the cavity casing,

After cutting the ribs, when the edge gear is correctly actuated, the rib will be trapped inside the opening, since the opening walls cover the circumference of the ribs from all strata.

Conventional drive gears have a quarter hole for receiving the square mandrel of the service lever, the square hole being enclosed by a rim which the drive gear is mounted in half of the housing. The toothed wreath is made from the rims between the rim and the head circle. A hole in the toothed rim which serves to prevent loss of the severed rib may have the pinion of the toothed rim in whole or in part, and be formed e.g. From a single hole or punched hole. Since the toothed ring with its vertical axis on the drive gear axis disposed at the front faces is guided on the respective surfaces of the bearing housing, it cannot cut the rib from the opening in which it is also in a direction parallel to the drive gear axis.

Therefore, due to the shear action, a favorable lever clearance is obtained, it is advantageous for the hole to be arranged inside one of the teeth, especially near the circle of the drive gear head. Since the dimensions of the teeth in the dimensions are relatively tight and limited, the openings are arranged in several teeth, to which one rib belongs. In spite of the small cross section of the ribs, it is achieved in such a way as to prevent the accidental cutting of the ribs <w4 * · ara ,, for example, due to © pteroconium at the reed or near the post-rhino ».

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Claims (5)

Patent claims 1. Edge gearbox for a window, door or the like consisting of a circumferential rail behind this adjustably adjustable adjusting bar and fixed securely to the circumferential rail ^, especially of a casing in which the drive gear is mounted, the teeth of which cooperate with the openings. the adjusting rods, but the circumferential rail and the adjusting bar are fixed in the basic position by means of the fuse, which is clearly steel to the arugue, so that the fuse, and especially of the rib, in the one-to-one gear housing, in the area of the gear wheel, is removed from the first actuator. which the rib (18) engages in the opening (19, 51) of the toothed wreath (15, 54) of the drive gear (7, 5 °) with the surface (1?) of the housing (5) in place (20) of the base of the rib (18 ) a sharpened groove (21) with a sharp edge (22) and which is in the area of the rib axis (18) from the outer rear half (4) of the housing (3) of the cavity (23). Edge carrier according to claim 1, characterized in that the opening (31) is arranged inside the tooth (33). An edge gear according to claim 1, wherein the drive gear is made with, in the area of the circumference arranged by a segment to restrict the travel of the adjusting rod, characterized in that the opening (19) is arranged within the segment (14). 4. An edge gear according to any one of claims 2 and 3, characterized in that in the segment (14) of the drive gear (7) there are two openings (19) extending through the thickness of the toothed belt: a rim (13) with mutually different cross sections. , and with the housing (3), the corresponding ribs (18) cross-sections, adapted to the cross-sections of the openings (19), 5. Edge gearbox according to some oo. requires 1 to 4, in a radiated manner, that the ribs (18) of the circular cylindrical cross-section are designed as bolts and the openings (19, 52; 33) with diameters adapted to the ribs (18).