DK143514B - APPOINTMENT FOR A PENALTY WINDOW OR PILOT FLOOR OF THE ART WHICH CAN BE MAINTAINED AND SUBMITTED - Google Patents

Description

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The invention relates to a bracket for a sliding window or sliding door wing of the kind which can be raised and lowered by at least one under-wing trolley or the like, which is connected to the wing over a preferably hand-operated lifting device, whose operating mechanism 5 is arranged on a vertical the side surface of the wing and above an adjusting mechanism is connected to the trolley or the like and has a lifting drive with a rotatable lift eccentric, wherein the lifting device consists of at least one curved lifting lug and an actuating means, and the lifting lug is firmly connected to the wing and the running means with the trolley or vice versa. 10, with the lifting lug extending from one end upwardly in the wing side displacement plane, and the portion of the lifting lug with which it abuts against the mounting member in the raised position of the wing has a slight inclination to the horizontal plane.

From the description of Danish patent application No. 37/67, a bracket of the kind described is known. In this known bracket, the lifting lug of the upper edge is constituted by a guide slot, which preferably extends the straight line. Since the lifting drive only allows a relatively short displacement of the actuator, in such a rectilinear design, the lifting cam must not proceed with a too slight slope, otherwise the wing will not raise sufficiently. An arc-shaped lifting lever offers some advantages over a straight-designed lifting lug. Also the description of the said Danish patent application no.

37/67 mentions the possibility of the use of an arcuate hoist or slot. At the aforementioned bracket known from this, this slot 25 extends horizontally at its end adjacent to the raising member, at the raised wing to prevent the wing from being automatically lowered when the lifting device is released. When the pawl member is in the horizontal slot, the operating device and the setting mechanism are relieved of force. Due to unavoidable clearance in said structural members, 30, upon subsequent lowering of the wing, a jerky movement occurs which the operator senses as an uncomfortable blow to the handle and which will eventually cause damage to the bearings and articulated joints.

As there is thus a return force on the wing, even when in the raised position of the wing with the lifting cam and the slit, respectively, still has a slight slope and this return force can only be eliminated by forming the lifting lug and the slit respectively with a horizontal extending section, which however The object of the invention is to provide a bracket of the kind mentioned in the preamble in such a way that no such undesirable and harmful jerky lowering of the wing occurs upon returning it from its raised wing. position, and that the wing remains in its raised position, even when the lifting mechanism is not affected by an operating force.

This task is solved according to the invention in that the lifting eccentric is pivotal against the force of a lifted reef spring and that the force of the lifting spring in the upper dead center position of the lifting cam is greater than the return force exerted by the raised wing due to the weak inclination of the lifting mechanism. Due to the slight slope, 10 i.e. the approximately horizontal course of the portion of the lifting cam cooperating in the raised position of the wing, and also because of the force of the lifting spring, which, at the position which the operating mechanism occupies in the raised position of the wing, is at least so large that it can balance it The return force of the wing depends on the weight of the wing, it is avoided both that the bracket is relieved of force in the raised position of the wing and that the wing is automatically lowered when the operator releases the lifting mechanism's actuator. The lifting drive spring is tensioned in any position of the lifting eccentric, that is, also in its two locking paths. When changing from one pivot end position to another, the 20 may change. When the lift eccentric of the two pivot end positions is at or near a dead-end position, the spring force in these two end positions is at least approximately equal, but at least always as great as the retracting force of the raised wing. However, due to the arcuate lifting cam, the wing's return force decreases evenly below the wing's uplift and reaches its minimum value in the upper end position of the wing. In this way, as desired, an automatic return of the wing is avoided from its raised position, and furthermore, a complete relief of the bracket is avoided with the uncomfortable and unfortunate effects thereof for the operator.

A further embodiment of the bracket according to the invention is characterized in that a raised rake ash is rotatably mounted at one end of the lifting eccentric of the lifting drive and at its other end is rotatably connected with a movable movable carrier parallel to a vertical extending slider. connected to the firing means, and that the load in both the raised and lowered positions of the wing is in a dead-end position, and that the raised reef spring is tensioned in any of the lifting gear positions. The latch translates the lifting eccentric pivotal movements to a reciprocating movement of the carrier which in turn displaces the slider back and forth, respectively.

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Since the raised reef spring is clamped in any position of the raised reef box, ie also in the two dead-end positions of this joint, the lifting eccentric can also be designed in such a way that it is at least in a dead-end position in the two end positions of the wing.

In the following, the invention is explained in more detail with reference to an embodiment illustrated in the drawing. In the drawing: FIG. 1 is an exploded view of a bracket according to the invention; FIG. 2 is a larger scale view of the front trolley with an angular drive and the lifting device; FIG. 3 is a sectional view, also on a larger scale, of a section through the lift drive; FIG. 4 shows a section of the vertical connecting rod in the area of the lifting gear; and FIG. 5 is a longitudinal section through the lifting mechanism of the lifting gear.

The bracket according to the invention consists essentially of two trolleys 2, 3 coupled to one another via a connecting member 1, an angular drive 4, a lifting gear 5 and a vertically arranged sliding bar 23 and two locking rollers 7 and 8. trolley 2, which is essentially of the same design as the rear roller trolley 3, is seen in detail in FIG. 2. Two spaced-apart runner rollers 10 and 11 are pivotally mounted in a roll holder 9 and supported against a running rail 12, symbolized by a dashed line, on the floor or on a lower frame. The front end of the roller holder 9 seen in the closing direction of the wing 13 is pivotally connected 25 to a connecting lug 14 which is again pivotally attached to a cradle angle 15. The cradle angle 15 is pivotal about a bearing bolt 16. A cradle angle is at its other end. over an additional swivel joint 18 connected to a connection lug 19. The screw-in angle 17 is fixed by means of screws 20 to the frame of the wing not shown. A second screw extends through a sliding rod 23 in the direction up and down (Figs. 1 and 3) and through a pin-shaped shoulder 24 on the vertical branch of the screw angle 17. A form-fitting connection between the slide rod 23 and the angular drive 19's connecting lug 19 is obtained by means of a pin connecting member 26 (Fig. 1). The pin connector 35 is first connected to the slide rod 23 by riveting and protrudes with its free end through the cross-section U-shaped connecting lug 19 which, with a clearance, engages it also at this location in cross-section U-shaped screw angle 17. This is achieved by the movement of the sliding rod 23 up and down a displacement and at the same time a rotation of the connecting shaft 19, which at the pin-shaped shoulder 24 has a recess. The connecting lug 19 in turn causes a turning of the cradle angle 15 about its bearing bolt 16 and thus a displacement and at the same time a rotation of the connecting lug 14 about its bearing shaft 29 on the roller holder 9. Thus, an upward movement of the slide rod 23 causes a displacement of the roller holder 9 in the direction. towards the whip angle 17 and thus also of the wing in the arrow direction 13.

In the roller holder 9 is mounted a lifting roller 30. This 10 engages an arcuate guide slot 31 in the guide body 32 which is fixedly connected with the screw angle 17. 2 toward the left end of this guide slot extends approximately horizontally. In addition, this slit end 33 can be used as a stop for the lifting roller 30. As mentioned, the sliding rod 23 is moved upwards, this causes the lifting roller 15 to be shifted from right to left. Due to the engagement of the lifting roller 30 with the guide slot 31, this movement towards the side of the lifting roller 30 causes the guide body 32 and thus the wing not shown to be raised.

This lifting movement runs smoothly throughout the duration of the lifting rod 23's lifting motion. A movement change is only effected by a downward movement of the slider 23.

Due to the approximately horizontal course of the left lower end of the guide slot 31, relatively small return forces occur in the raised position of the wing. These are picked up, as will be described later, by the lifting drive, so that an accidental and automatic return of the raised wing cannot occur when the operator releases the control handle. The connecting lug 19 is formed at its lower end with a bolt 34 which, in the lowered position of the wing frame, engages in a corresponding locking recess in the floor, the running rail or a lower frame. The lock is automatically unlocked by raising the 30 wing. It will be understood that, on the contrary, a lock will be obtained by lowering the wing. The guide slot 31 extends from its lower point only upwards to one side, in FIG. 2 to the right, thus eliminating the hitherto usual annoying immersion of the wing after reaching its highest position. Determined to raise the wing is the upper edge of the guide slot 31 which forms a lifting lug 35.

The slide rod 23 is, as is clearly seen in FIG. 3, between the lifting drive 5 and the bottom 36 of the guide rail 22. This results in the fact that the wing can be locked at any place of its longitudinal side.

The lifting drive 5 has a pivotally mounted lifting eccentric 41 with a four-edge edge bore 42 into which a handle or pivot handle can be inserted. Furthermore, a carrier 43 can be displaced upwardly and downwardly in a guide in the lifting drive 5. Both are interconnected by a pivotally hinged lifting drive 44. By turning the lifting eccentric 41 in the arrow direction 45, i.e. clockwise, the connecting lug 44 is rotated in the direction of the guide rail 22 and raises the carrier 43. As the carrier 43 is connected formally to the recess 47 of the slide rod 23, the slide rod 23 is forcibly moved upwardly over a coupling member 46. This, in the manner described, causes a swelling of the wing. The recess 47 communicates with an inverted T-shaped slot 48 which permits the turning of the connecting lug 44 and the lift eccentric 41 towards the guide rail 22. This contributes to a compact construction with a small depth of the lift drive, so that it can also be incorporated into the frames made of profile bars.

On the carrier 43 is mounted a U-shaped hanger spring 49, which is bent inwardly at the free end of its U-branches and with these inwardly bent ends engages on one side with a recess in the carrier and on the other side engages with a notch 51 in connection spring 44. This spring is clamped in any position by the connection spring 20 44 and is further tightened by swinging out the connecting spring 44.

The construction of the lifting gear described thus contributes to intercepting the small retracting forces exerted by the guide slot 26 and the lifting roller 27 formed by the lower slot end not extending completely horizontally but having a slight inclination 25 relative to the horizontal. level. The connecting slide 44 occupies a dead point position in both end positions, the lift eccentric 41 being rotatable 180 °.

In the range of motion of the lift eccentric 41, a latch 52 can be inserted. This prevents, as seen in FIG. 3, turning the lift eccentric 30 and thereby raising the wing. A spring 53 provides for the return of the bolt 52. The spring 53 engages with one end in a hole 54 in the bolt 52 and is supported at its other end against a pin 55 fixed in the housing. The bolt 52 is slidably mounted in a vertical direction in the lifting position. drive housing. To operate the lock 52, a locking cylinder 57 of the locking cylinder 57 serves at the same time displacing the so-called retainer 58. Instead of a locking cylinder and locking, a simple slider can also be used, which is also pivotally mounted in raised reef set and has a locking knob 56, but here is operated with a single fixed connected swivel grip instead of with a wrench. The holder 58 is displaced in the horizontal direction and engages 6

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under a shoulder 59 on the latch 52 in its raised list position. Hereby, a return or retraction is effectively blocked by a spring 53. A shoulder 60 of the retainer 58 is further locked in a recess 61 in the slide rod 23. In FIG. 5 shows the arrangement and shape of the guide slots 61 of the lifting gear housing 62 for the locking bolt 52.

From the above description it is clear that the installation of this bracket can be done in a simple and secure manner. Furthermore, the usual post-adjustment devices are redundant. Locking can be achieved at any location, both against a frame and against another wing frame, and especially against a running rail. The chosen construction of the front trolley, despite the incorporation of an angular drive, requires no additional recess in a window wing, which means further simplification and cheapening of the wing's manufacture. The power-transferring connection between the screw-in angle and the guide rail thus causes, in part, to absorb the force arising in the angular drive from the guide rail, and partly that through this connection an accurate fixation of the distance between the lifting drive and the angle drive is obtained. Fault mounting is thereby excluded. Furthermore, due to the selected lock, the wing does not need any protruding parts. Therefore, the same bracket 20 can be used in all use cases, ie also when e.g. two wings abut each other with their side faces.