EP0937189A1 - Kupplungsstück - Google Patents
KupplungsstückInfo
- Publication number
- EP0937189A1 EP0937189A1 EP97948812A EP97948812A EP0937189A1 EP 0937189 A1 EP0937189 A1 EP 0937189A1 EP 97948812 A EP97948812 A EP 97948812A EP 97948812 A EP97948812 A EP 97948812A EP 0937189 A1 EP0937189 A1 EP 0937189A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling piece
- piece according
- ball head
- recess
- rib
- 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
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/76—Operating devices or mechanisms, e.g. with electric drive using crank handles
Definitions
- the invention relates to a coupling piece according to the preamble of claim 1.
- bevel gear transmissions are known which are provided on the drive side with a coupling piece, in the central recess of which a hand crank can be inserted.
- the crank has a square at one end, which is inserted into the square-shaped recess of the intermediate piece.
- crank intermediate piece arrangement the crank must be inserted straight into the intermediate piece recess and must also be kept essentially straight during the unwinding and winding process. In some cases, however, this is not always possible. That is why one has already started to design the intermediate piece as a universal joint.
- a spherical plain bearing for crank drives of roller shutters, blinds or awnings has a ball connected to a shaft in a manner fixed against relative rotation and a ball socket of a bearing part. The shaft can thus be rotated in this ball joint.
- the shaft end is also connected to an intermediate piece which carries the universal joint, which on the other hand can be connected to the hand crank.
- a universal joint leads to uneven, jerky movements of the hand crank or awning drum, and there is also the risk of the crank slipping out of the recess in the intermediate piece.
- the invention has for its object to provide a coupling piece of the type mentioned in the preamble of claim 1, with which the hand crank can be actuated smoothly even in the case of a position deviating from the vertical and in which slipping out of the hand crank is avoided.
- Fig. 1 shows a longitudinal section through a known gear
- Coupling piece with a ball head insert according to the invention for driving an awning drum, 2 shows a side view of a second embodiment of the
- FIG. 3 shows a plan view of the ball head insert of FIG. 2,
- FIG. 4 shows a longitudinal section similar to FIG. 1 with another
- FIG. 5 shows a view of the coupling piece of FIG. 4 from below
- FIG. 6 shows a longitudinal section of the coupling piece of FIG. 4,
- FIG. 7 shows a plan view of the coupling piece of FIG. 4,
- FIG. 8 shows a side view of the ball head insert of FIG. 4,
- Fig. 10 is a view rotated by 90 ° of the ball head insert
- the drive device consists of a bevel gear 1, which is not the subject of the invention, a coupling piece 2 and a ball head insert 3rd
- the bevel gear 1 serves to convert the vertical rotary movement carried out with a hand crank (not shown) into a horizontal rotary movement for an awning drum (not shown).
- a housing 4 is provided with a bevel gear 5 output hollow shaft 6 into which a shaft of the awning drum, not shown, can be inserted.
- the bevel gear teeth 5 engages a bevel gear 7 which is fixedly connected to an intermediate shaft 8 mounted in the housing 4.
- the end of this intermediate shaft protruding from the housing 4 is provided with a transverse bore 9.
- a sleeve part 10 of the intermediate or coupling piece 2 which is provided with a transverse bore, can be pushed onto this intermediate shaft end and fastened there, this transverse bore being matched to the transverse bore 9 and the fastening by means of a pin (not shown) which can be inserted into these transverse bores.
- the coupling piece 2 has in its lower area a bell-shaped part 1 1, the lower inner area of which initially tapers at point 1 2 and then widens at point 1 3.
- the bell-shaped part 1 1 is also provided in its lower region with a vertical slot 14 and carries a displaceable ring 1 5 on its circumference. The purpose of this slot 14 and ring 1 5 will be explained later.
- the lower part of the bell-shaped part 1 1 is provided on the inside with a vertical groove 1 6.
- the ball head insert 3 consists of a ball head 1 7, the shape of which is adapted to the taper 1 2 and the extension 1 3. At the ball head 1 7 there is a collar 1 8 and a stub 19 having a transverse bore 20, which can be firmly connected to the crank handle, not shown is.
- the ball head 1 7 is provided with a vertical rib 21 which engages in the groove 1 6 and is vertically adjustable in this.
- the ball head insert 3 is inserted into the bell-shaped part 1 1 by moving the ring 1 5 upwards and the lower region of the bell-shaped part 1 1 being widened when the ball head insert 3 is inserted, which is made possible by the slot 14. Then the ring 1 5 is moved back down into the position shown.
- the ball head is thus captively secured. It can preferably be deflected with respect to the vertical by an angle of preferably up to 30 ° and more. Proper actuation of the hand crank or awning drum is also possible with this deflection.
- FIGS. 2 and 3 Another embodiment of the ball head insert 3 'is shown in FIGS. 2 and 3.
- the ball head 1 7 ' is provided with three evenly distributed and axially extending ribs 22, 23, 24 which engage in three correspondingly arranged, but not shown grooves, similar to the groove 1 6, in the bell-shaped part of the coupling piece. This improves the stability of the connection of the ball head to the coupling piece.
- the grooves and ribs can also run at an angle.
- the rib 21 can be shortened to such an extent that only one mandrel or stump with preferably circular cross-section remains.
- the shape of the entraining body, such as the rib 21 or the mandrel, can be designed differently. It is only important that the driver body always remains in engagement with at least one of the associated groove 1 6.
- the drive device shown in FIG. 4 with the further design of the coupling piece 2 'and the ball head insert 3' has a gear in the upper part, as shown in FIG. 1 with parts 1 and 4-9; this transmission is therefore not described again.
- the coupling piece 2 ' is shown in more detail in FIGS. 5-7, while the ball head insert 3' is shown in more detail in FIGS. 8-10.
- the coupling piece 2 'of FIGS. 5-7 is preferably made of flexible plastic and again has a sleeve part 10 with a transverse bore 9 in the upper area and a bell-shaped part 30 shaped differently from FIG. 1.
- a sleeve part 10 with a transverse bore 9 in the upper area and a bell-shaped part 30 shaped differently from FIG. 1.
- three, spaced, recess-shaped recesses 31-33 are provided, whereby three ribs 34-36 remain.
- three vertical grooves 37-39 are arranged to receive the vertical ribs of the ball head shown in FIGS. 8-10.
- three springs 40-42 are formed in slots, such as slot 14 ', on the inside and between the grooves 37-39, each of which has an inwardly pointing latching nose 43, 44 and 45 at the lower end .
- the free inner edge of the part 30 is beveled outwards in the region of the grooves 37-39 and the regions adjoining them and extending as far as the vicinity of the springs 40-42, as shown at point 46. These bevels allow easier insertion of the ball head.
- the ball head insert (3 ', Fig. 4) shown in FIGS. 8-10 consists of a ball head 50, an adjoining, round sleeve part 51 and an adjoining, hexagonal axle stub 52, which is provided with a transverse bore 53 and not with one Hand crank shown is connectable with a hexagonal end.
- the ball head insert is provided with three ribs 54-56, which, however, could also be designed as radially projecting stumps, which adapt to the curvature of the ball head 50 and have elliptical outer surfaces.
- the ribs 54-56 tapering towards their two axial ends are intended to engage in the suitable grooves 37-39 (FIG. 5).
- the radial top view of the grooves 37-39 is essentially rectangular or is designed such that the crank rod connected to the stub axle 52 can be pivoted transversely to its axis.
- the shape of the ribs 54-56 facilitates the insertion of the ball head 50 into the grooves 37-39.
- the springs 43-45 are deflected. After inserting the ball head insert 3 ', the locking lugs 43-45 prevent this ball head insert from slipping out of the coupling piece 2'.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Building Awnings And Sunshades (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Mechanical Operated Clutches (AREA)
- Toys (AREA)
- Blinds (AREA)
- Finger-Pressure Massage (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Food-Manufacturing Devices (AREA)
- Pivots And Pivotal Connections (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19645602 | 1996-11-06 | ||
DE19645602A DE19645602A1 (de) | 1996-11-06 | 1996-11-06 | Antriebsvorrichtung |
PCT/EP1997/005926 WO1998020227A1 (de) | 1996-11-06 | 1997-10-27 | Kupplungsstück |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0937189A1 true EP0937189A1 (de) | 1999-08-25 |
EP0937189B1 EP0937189B1 (de) | 2001-03-28 |
Family
ID=7810715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97948812A Expired - Lifetime EP0937189B1 (de) | 1996-11-06 | 1997-10-27 | Kupplungsstück |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0937189B1 (de) |
AT (1) | ATE200136T1 (de) |
AU (1) | AU7002698A (de) |
DE (2) | DE19645602A1 (de) |
DK (1) | DK0937189T3 (de) |
SI (1) | SI9720068A (de) |
SK (1) | SK61299A3 (de) |
WO (1) | WO1998020227A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2817282B1 (fr) * | 2000-11-28 | 2003-07-25 | Daniel Bracq | Engrenage a pignons coniques pour volets roulants, dont le dispositif qui freine tout mouvement retrograde, de son pignon de sortie vers son pignon d'entree, ne genere pas d'encombrement |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1026678A (fr) * | 1950-10-28 | 1953-04-30 | Anciens Etablissements Lacour | Dispositif de commande pour volets roulants |
FR1080667A (fr) * | 1953-04-15 | 1954-12-13 | Treuil oscillant pour volet roulant | |
CH429105A (de) * | 1965-09-23 | 1967-01-31 | Dolenz Fa Ernst | Steckkupplung für Jalousien oder dergl. |
DE2359471A1 (de) * | 1973-11-29 | 1975-06-12 | Instructa Metall & Kunststoff | Schutzvorrichtung fuer fenster in form einer jalousie oder eines rolladens |
DE8017342U1 (de) * | 1980-06-28 | 1980-10-09 | Instructa Metall- Und Kunststofferzeugnisse Gmbh, 6349 Beilstein | Gelenklager fuer kurbelantriebe von rollaeden, jalousien, markisen u.ae. vorrichtungen |
US4607974A (en) * | 1984-02-27 | 1986-08-26 | Cooper Industries, Inc. | Wand and wand extension |
EP0182950A1 (de) * | 1984-11-29 | 1986-06-04 | E. KINDT AG, vormals Hans Kiefer AG | Antriebsvorrichtung für eine Jalousie für Sonnen- und/oder Wetterschutz |
NL193620C (nl) * | 1990-12-13 | 2000-04-04 | Mado Nederland | Bedieningsmechanisme voor een zonwering. |
-
1996
- 1996-11-06 DE DE19645602A patent/DE19645602A1/de not_active Withdrawn
-
1997
- 1997-10-27 DE DE59703248T patent/DE59703248D1/de not_active Expired - Fee Related
- 1997-10-27 AT AT97948812T patent/ATE200136T1/de not_active IP Right Cessation
- 1997-10-27 SI SI9720068A patent/SI9720068A/sl unknown
- 1997-10-27 WO PCT/EP1997/005926 patent/WO1998020227A1/de active IP Right Grant
- 1997-10-27 EP EP97948812A patent/EP0937189B1/de not_active Expired - Lifetime
- 1997-10-27 AU AU70026/98A patent/AU7002698A/en not_active Abandoned
- 1997-10-27 SK SK612-99A patent/SK61299A3/sk unknown
- 1997-10-27 DK DK97948812T patent/DK0937189T3/da active
Non-Patent Citations (1)
Title |
---|
See references of WO9820227A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19645602A1 (de) | 1998-05-07 |
SI9720068A (sl) | 1999-10-31 |
WO1998020227A1 (de) | 1998-05-14 |
ATE200136T1 (de) | 2001-04-15 |
DK0937189T3 (da) | 2001-05-21 |
EP0937189B1 (de) | 2001-03-28 |
DE59703248D1 (de) | 2001-05-03 |
AU7002698A (en) | 1998-05-29 |
SK61299A3 (en) | 2000-04-10 |
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