EP0384142A2 - Tige de commande avec moyens d'accouplement intégraux - Google Patents

Tige de commande avec moyens d'accouplement intégraux Download PDF

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Publication number
EP0384142A2
EP0384142A2 EP90101364A EP90101364A EP0384142A2 EP 0384142 A2 EP0384142 A2 EP 0384142A2 EP 90101364 A EP90101364 A EP 90101364A EP 90101364 A EP90101364 A EP 90101364A EP 0384142 A2 EP0384142 A2 EP 0384142A2
Authority
EP
European Patent Office
Prior art keywords
drive rod
coupling
coupling half
approximately
plane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP90101364A
Other languages
German (de)
English (en)
Other versions
EP0384142B1 (fr
EP0384142A3 (fr
Inventor
Hans Dr.Ing. Glöckl
Walter Dipl.-Ing. Renz (Fh)
Gustav Mück
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gretsch Unitas GmbH
Gretsch Unitas GmbH Baubeschlaege
Original Assignee
Gretsch Unitas GmbH
Gretsch Unitas GmbH Baubeschlaege
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gretsch Unitas GmbH, Gretsch Unitas GmbH Baubeschlaege filed Critical Gretsch Unitas GmbH
Priority to AT90101364T priority Critical patent/ATE92576T1/de
Publication of EP0384142A2 publication Critical patent/EP0384142A2/fr
Publication of EP0384142A3 publication Critical patent/EP0384142A3/fr
Application granted granted Critical
Publication of EP0384142B1 publication Critical patent/EP0384142B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C9/00—Arrangements of simultaneously actuated bolts or other securing devices at well-separated positions on the same wing
    • E05C9/20—Coupling means for sliding bars, rods, or cables

Definitions

  • the invention relates to a connecting rod for a window, a door or the like.
  • the coupling half being two approximately parallel coupling walls running in the longitudinal direction of the connecting rod and each formed by bent connecting rod material has, of which at least one has a toothing on transversely to the drive rod displacement direction, formed by embossing presses, ge has teeth facing the other clutch wall.
  • the two coupling walls are preferably approximately perpendicular to the connecting rod plane, and the coupling counter-half is suspended transversely to the connecting rod plane in the coupling half, wherein it is also provided with at least one toothing which forms a complementary toothing to that of the coupling half. In particular, it concerns fine gears.
  • each coupling half is preferably also molded onto the further drive rod, the teeth being located on the narrow edges in the case of a flat drive rod.
  • DE-AS-1 093 698 has already made known a length-adjustable linkage coupling.
  • This construction differs from the generic drive rod with coupling half in that the coupling half is manufactured separately, ie it is not molded onto the drive rod. It is a cross-sectionally U-shaped slide which has teeth pointing inwards on the two U-legs. As a result, the toothed slide and the drive rod must be firmly connected to one another, which is done there with the aid of rivets. But riveting is a relatively expensive operation, which is why this two-part production has been abandoned.
  • DE-OS-26 35 708 also proposes the use of a separately manufactured toothed slide. There separate rivets are saved because the toothed slide is provided with two molded rivets. However, there still remains the need to insert the rivet holes and in particular the riveting process itself.
  • DE-OS-24 36 266 proposes the use of a coupling half made in one piece with the drive rod. It is created by punching out a center piece in the end area of the drive rod.
  • the further drive rod is designed in a known manner, ie provided with a tongue-like coupling counter-half located in its plane. However, this can only be hooked into the coupling half if the latter, viewed in the longitudinal direction, is open at its outer end. But if you want to punch up to this free end, the coupling half would consist of fork-like extensions of the drive rod that would spread apart when the tensile or compressive load occurred, which would then release the coupling.
  • the shaping of the U-shaped end piece is a relatively complex operation.
  • compliance with the intended shape in the outer end region of the toothed racks is at least difficult, if not impossible.
  • DE-GM 83 24 586 also suggests punching the teeth out of the material of the drive rod.
  • the material between the teeth is not removed, however, because, as DE-OS-24 36 266 indicates, this requires disadvantageous and costly training at the free end of the coupling piece.
  • the longitudinal edges provided with teeth pointing inwards are bent up transversely to the plane of the drive rod, whereby they still remain connected at both ends to the drive rod.
  • the coupling counter-half and the other drive rod can be kept in their known form.
  • Length-adjustable linkage couplings establish the connection between the operating element, for example a gearbox, handle or the like, with any other fitting parts, for example latches, opening devices for turn-tilt sashes and the like. They are embedded in corresponding grooves in the wing material. These grooves have to be milled, for example, with wooden frames. The profiles are designed accordingly for plastic or metal frames. In any case, nowadays, at least largely, only grooves of the same dimensions are used.
  • the drive rod must be brought to the standard width there by costly punching away the lateral edges.
  • embossing on two opposite sides is a complex operation.
  • Another disadvantage is the weakening of the cross section at the transition from the coupling half into the drive rod by means of two notches, which is necessary there for reasons of bending technology.
  • the object of the invention is now seen in a drive rod with a molded coupling half of the type described above to further develop so that when using the usual material cross-section for the drive rod, the molded coupling half is particularly stable and thus highly resilient and can be produced with little manufacturing effort.
  • the invention proposes that the drive rod is formed with a molded coupling half according to the preamble of claim 1 in accordance with the characterizing part of this claim.
  • this coupling half does not have a toothed slide which is U-shaped in cross section, rather the base connecting the two coupling walls is missing there. Instead, a breakthrough between the two coupling walls is provided. If you first make this breakthrough on the rod material, in particular punched out, there is enough space in the center of the connecting rod for the material flowing inwards when the teeth are embossed, whereby in the case of two "racks" for each maximally half the slot width of the extending in the longitudinal direction of the connecting rod , central breakthrough is available.
  • the entire length of the opening is expediently not used, rather, material edges remain undeformed on both opening ends. This then makes it easier to bend up or raise the gears formed in this way. Each is raised by about 90 ° in a known manner. Needless to say, it goes without saying that the superscript naturally takes place in such a way that then the teeth of the two gears point towards each other. Therefore, the embossing press is carried out, so to speak, on the "rear" of the drive rod.
  • the breakthrough is preferably a central longitudinal slot which is arranged symmetrically to the longitudinal axis of the drive rod and is advantageously rounded off at both ends to avoid notch stresses.
  • deviations from this can be made within certain limits if this is advantageous for forming the toothed racks.
  • a particularly preferred embodiment of the invention results from claim 2.
  • the toothing extends, as can be seen from the exemplary embodiment, of course over the majority of the opening.
  • the toothless end parts of the two coupling cheeks form the transition area between the two mutually perpendicular planes of the rack and drive rod. It is easy to understand from the manufacturing process that the free upper edges continuously drop down to the level of the drive rod. In addition, these are the entangled material parts mentioned.
  • a further development of the invention provides that the opening narrows at its two ends and the outer surface of the part of the coupling wall which has the toothing runs approximately flush with the associated longitudinal edge of the drive rod. If the slot is chosen to be comparatively narrow, ie if the usual cross-sections for the drive rods select a slot width of the order of magnitude of 2 mm, then the two toothings are relatively close to one another after embossing and bending. This makes it necessary to use a counter-coupling half of appropriate width. The required cross-section can be obtained by measuring the height of the counter-coupling half, measured perpendicular to the plane of the drive rod.
  • a further embodiment of the invention is characterized in that the lower tooth ends are at a short distance from the lower longitudinal edge, the non-toothed lower wall part forming a longitudinal boundary web of the opening on the relevant main area of the opening . The thickness of the material is therefore not reduced there, and thus a stiff construction is advantageously obtained in this area.
  • the height of the longitudinal boundary web suitably corresponds to approximately half the drive rod thickness. On the one hand, good stiffening is achieved and, on the other hand, sufficiently long teeth with a comparatively narrow width or opening width of the opening.
  • a further preferred embodiment of the invention results from claim 7.
  • the height of the coupling walls is reduced in steps at the two rack ends or ends of the toothings.
  • the width of the grooves is about two millimeters larger than that of the drive rod, so that when you move the drive rods on the side edges with no increase the operator unnecessarily Friction has to be expected.
  • the width of the coupling half should be in the order of the groove width, whereby there should still be a lateral play in the sense of a smooth sliding fit.
  • a further embodiment of the invention provides that the width of the coupling half is approximately 11.5 mm and that of the drive rod is approximately 10 mm, with a drive rod thickness of approximately 2.5 to 3.0 mm. but preferably 2.8 mm.
  • the espagnolette material is, as is particularly the case with FIGS. 1 and 5, a flat material, preferably with a known cross-sectional dimension.
  • a breakthrough 3 is punched in the area of the end 1 of the drive rod 2 in a first operation, which is a longitudinal slot with rounded ends symmetrically arranged with respect to the longitudinal central axis 4. Its right end in FIG. 1 is at a distance corresponding to the load from the front end edge 5.
  • the edge region of this longitudinal slot is permanently deformed with the aid of a suitable tool, toothing 6 and 7 being formed in an embossing press operation. It is preferably a fine toothing, in particular with a triangular or similar known cross section.
  • a complementary toothing 8 and 9 is formed at the free end 10 of a further drive rod 11, which can be used in connection with the drive rod 2 in a length-adjustable linkage coupling.
  • the free end 10 of the further drive rod 11 with the complementary toothings 8 and 9 forms a coupling counter-half 14 which is produced in one piece with the further drive rod 11.
  • the toothings 6 and 7 are located in the finished coupling half on two mutually parallel coupling walls and their longitudinal direction is in the embodiment perpendicular to the plane of the drive rod 2, which is why you can hang the coupling counter-half 14 in the direction of arrow 17 and unhook in the opposite direction.
  • the lower side of the further drive rod 11 and the upper side of the drive rod 2 then lie flat against one another, insofar as they overlap.
  • the embossing surface is approximately trapezoidal on each side, so that the left and right outer teeth of each toothing 6 and 7 are shorter than the other teeth. But because all teeth according to example 7 protrude equally far upwards so that a straight upper boundary edge 24 (FIG. 7) is formed, the shortening of the teeth relates to the lower end thereof. This causes a widening of the non-embossed material parts to the side of the narrow edge zones 18 and 19.
  • opposing toothings 6 and 7 are provided, but neither the coupling half nor the coupling counter-half have two toothings got to. However, it is more expedient to have two gears. In the case of only one toothing, of course, the opposite area of the longitudinal breakthrough edge is nevertheless raised to form the necessary second coupling wall.
  • the coupling walls 15 and 16 which are separated from each other by the opening 3, from a flat, perpendicular to the plane of the drive rod, the toothing area, which can be viewed as a rack 27 and 28 and one there is transition area 25 and 26 located on both sides of the latter. At the location of the transition areas, the material is folded when the racks 27 and 28 are raised.
  • the outer surface 29 and 30 of the toothed racks 27 and 28 are offset inwards relative to the longitudinal edges 31 and 32, which is why the toothings 6 and 7 do not have an excessively large lateral spacing. If, however, the two toothed racks 27 and 28 are pressed outwards, the result is an embodiment according to FIG. 4 protrude slightly beyond the longitudinal edges, so that a coupling half 13 is formed, the width of which slightly exceeds the width 33 of the drive rod 2. Due to the now larger side spacing of the two teeth 6 and 7, the coupling counter-half 14 can be made wider. 4 of the drawing that the opening 3 narrows at its two ends 34 and 35 in this embodiment.
  • the height 36 of the longitudinal limiting webs 20 and 21 corresponds approximately to half the drive rod thickness 37.
  • the length 38 of the teeth measured perpendicular to the drive rod plane — corresponds approximately to one and a half times the drive rod rod thickness 37. Due to the specified height 36 of the longitudinal limiting webs 20 and 21, this means that the teeth protrude by approximately driving rod thickness 37 over the driving rod surface 40 (FIG. 8) facing a faceplate 39 (FIG. 9). Because the teeth of the complementary gears 8 and 9 are the same length as the drive rod thickness 37 for the same drive rod material for both drive rods 2 and 11, a tooth engagement over the entire tooth length of the complementary teeth 8 and 9 is achieved in this way.
  • FIGS. 9 and 10 indicate that the drive rod 2 can be combined with the faceplate 39 to form a unit.
  • a plate 41 which can be moved and locked in the longitudinal direction on the faceplate 39, serves to secure the end of the faceplate of a further faceplate, not shown, which overlaps the coupling.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gears, Cams (AREA)
  • Mechanical Operated Clutches (AREA)
EP90101364A 1989-02-18 1990-01-24 Tige de commande avec moyens d'accouplement intégraux Expired - Lifetime EP0384142B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90101364T ATE92576T1 (de) 1989-02-18 1990-01-24 Treibstange mit angeformter kupplungshaelfte.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8901941U 1989-02-18
DE8901941U DE8901941U1 (fr) 1989-02-18 1989-02-18

Publications (3)

Publication Number Publication Date
EP0384142A2 true EP0384142A2 (fr) 1990-08-29
EP0384142A3 EP0384142A3 (fr) 1991-05-15
EP0384142B1 EP0384142B1 (fr) 1993-08-04

Family

ID=6836189

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90101364A Expired - Lifetime EP0384142B1 (fr) 1989-02-18 1990-01-24 Tige de commande avec moyens d'accouplement intégraux

Country Status (3)

Country Link
EP (1) EP0384142B1 (fr)
AT (1) ATE92576T1 (fr)
DE (2) DE8901941U1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635708A1 (de) * 1976-08-07 1978-02-09 Weidtmann Fa Wilhelm Vorrichtung zur laengenverstellung von riegelstangen fuer verschluesse von fenstern, tueren o.dgl. und verfahren zur herstellung
EP0268750A1 (fr) * 1986-11-27 1988-06-01 Siegenia-Frank Kg Dispositif de liaison réglable pour tringles d'espagnolette

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635708A1 (de) * 1976-08-07 1978-02-09 Weidtmann Fa Wilhelm Vorrichtung zur laengenverstellung von riegelstangen fuer verschluesse von fenstern, tueren o.dgl. und verfahren zur herstellung
EP0268750A1 (fr) * 1986-11-27 1988-06-01 Siegenia-Frank Kg Dispositif de liaison réglable pour tringles d'espagnolette

Also Published As

Publication number Publication date
DE59002135D1 (de) 1993-09-09
DE8901941U1 (fr) 1989-04-13
EP0384142B1 (fr) 1993-08-04
ATE92576T1 (de) 1993-08-15
EP0384142A3 (fr) 1991-05-15

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