EP0189228A1 - Door spring - Google Patents
Door spring Download PDFInfo
- Publication number
- EP0189228A1 EP0189228A1 EP86200061A EP86200061A EP0189228A1 EP 0189228 A1 EP0189228 A1 EP 0189228A1 EP 86200061 A EP86200061 A EP 86200061A EP 86200061 A EP86200061 A EP 86200061A EP 0189228 A1 EP0189228 A1 EP 0189228A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- pulley
- over
- fitted
- door
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
- E05F1/1066—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a traction spring
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Definitions
- the invention relates to a door spring, comprising at least three rotating pulleys which have parallel pins and are disposed in an oblong housing, and at least two of which can be moved jointly against spring force in the longitudinal direction of the housing, and with a pull cord which is guided over the pulleys and is guided with one end out of the housing.
- Such a door spring is known from U.S. Patent 1,880,870.
- four pulleys are fitted two by two with parallel pins in two runners which can be moved in the longitudinal direction of the housing and which are each connected by means of a tension spring to an end of the housing; fitted in the middle of the housing is a guide piece for the cord, and the cord is taken to the outside near the guide piece in the middle of the housing.
- the disadvantage of this known door spring is a complex design with great length; since the cord is taken out in the middle of the housing, the door spring also has to be fitted in the middle of the lintel, which means that there is little freedom as regards fitting.
- the object of the invention is to produce a reliable door spring of the type mentioned in the preamble with a cheap design which can be fitted by the average "do-it- yourself" person and need not be fitted in the middle of the lintel.
- This object is achieved according to the invention in that the two jointly movable pulleys are coaxial with one another and can rotate freely relative to each other, the pin of the third pulley is fitted in fixed fashion in the housing, and the cord, starting from a fastening point, near the third pulley is conveyed first over the first pulley, then over the third pulley, and subsequently over the second pulley, and is taken out of the housing near the third pulley.
- FIG.l reference number 1 indicates a door fitted in a frame 2; fitted along the top edge of the frame is the door spring according to the invention, as a whole indicated by the reference number 3.
- a cord 4 which is under tension and with its free end is fastened to a button 5 which slots into a catch 6 which is fastened to the door 1.
- Button and cath are illustrated in detail in Fig.5; it can be seen from this figure that the button is inserted via a feed groove 7 into the recessed part 8 of the catch 6. This makes it simple to make the door spring inoperative by removing the button from the catch, while the user can himself in a simple manner determine the length of the pull cord - and thus the maximum opening angle of the door - and the force exerted on the door.
- Fig.2 shows schematically the guiding of the draw cord 4 of the door spring.
- the pin 11 of the guide pulley 10 is fixed in the housing; the coaxial guide pulleys 12, 13 are rotatable independently of one another about the pin 14, and the whole assembly is fitted in the housing in such a way that it can slide in the direction of the arrow 15 and is thus acted upon by the tension spring 16.
- the cord 4 is anchored firmly with the fixed end 17 at 18 in the housing, passes over the pulley 13, then over the fixed pulley 10, then over the pulley 12, and is conveyed out of the housing at 19. Through this guidance, a considerable length of draw cord can be fitted in a housing with limited length.
- Figs. 3 and 4 show a preferred embodiment of the door spring 3.
- This embodiment comprises an oblong housing 25 with a bottom 26 and upright walls 27, 28 with end edges 29 and 30; the housing may be closed off at the bottom by the removable cover plate 31.
- a runner 32 with the pin 14 for the pulleys 12, 13; the end 33 of the runner is connected to two adjacent tension springs 34, 35, which with the other end are fastened firmly to the end piece 36 closing off the right end of the housing.
- At the left end of the housing is the end piece 37 with the pin 38 for the fixed pulley 10.
- a cover 39 with feed- through aperture and guide groove 41 closes off this end of the housing.
- the cord can be directed clockwise or anticlockwise as desired.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
Description
- The invention relates to a door spring, comprising at least three rotating pulleys which have parallel pins and are disposed in an oblong housing, and at least two of which can be moved jointly against spring force in the longitudinal direction of the housing, and with a pull cord which is guided over the pulleys and is guided with one end out of the housing.
- Such a door spring is known from U.S. Patent 1,880,870. In these known door spring four pulleys are fitted two by two with parallel pins in two runners which can be moved in the longitudinal direction of the housing and which are each connected by means of a tension spring to an end of the housing; fitted in the middle of the housing is a guide piece for the cord, and the cord is taken to the outside near the guide piece in the middle of the housing. The disadvantage of this known door spring is a complex design with great length; since the cord is taken out in the middle of the housing, the door spring also has to be fitted in the middle of the lintel, which means that there is little freedom as regards fitting.
- The object of the invention is to produce a reliable door spring of the type mentioned in the preamble with a cheap design which can be fitted by the average "do-it- yourself" person and need not be fitted in the middle of the lintel. This object is achieved according to the invention in that the two jointly movable pulleys are coaxial with one another and can rotate freely relative to each other, the pin of the third pulley is fitted in fixed fashion in the housing, and the cord, starting from a fastening point, near the third pulley is conveyed first over the first pulley, then over the third pulley, and subsequently over the second pulley, and is taken out of the housing near the third pulley.
- Advantageous embodiments of the door spring according to the invention are described in the depending claims 2-4.
- In the drawings:
- Fig.l is a perspective vieuw of part of a door, to be operated by the door spring according to the invention;
- Fig.2 is a schematic illustration of the cord guide used in this door spring;
- Fig.3 is a bottom view of the door spring according to the invention;
- Fig.4 is a longitudinal section through the door spring according to the invention;
- Fig.5 illustrates the fastening of the operating cord to the door.
- In Fig.l reference number 1 indicates a door fitted in a
frame 2; fitted along the top edge of the frame is the door spring according to the invention, as a whole indicated by thereference number 3. Out of this door spring comes acord 4, which is under tension and with its free end is fastened to abutton 5 which slots into acatch 6 which is fastened to the door 1. Button and cath are illustrated in detail in Fig.5; it can be seen from this figure that the button is inserted via a feed groove 7 into the recessed part 8 of thecatch 6. This makes it simple to make the door spring inoperative by removing the button from the catch, while the user can himself in a simple manner determine the length of the pull cord - and thus the maximum opening angle of the door - and the force exerted on the door. - Fig.2 shows schematically the guiding of the
draw cord 4 of the door spring. The pin 11 of theguide pulley 10 is fixed in the housing; thecoaxial guide pulleys pin 14, and the whole assembly is fitted in the housing in such a way that it can slide in the direction of thearrow 15 and is thus acted upon by thetension spring 16. - The
cord 4 is anchored firmly with the fixedend 17 at 18 in the housing, passes over thepulley 13, then over thefixed pulley 10, then over thepulley 12, and is conveyed out of the housing at 19. Through this guidance, a considerable length of draw cord can be fitted in a housing with limited length. - Figs. 3 and 4 show a preferred embodiment of the
door spring 3. This embodiment comprises anoblong housing 25 with abottom 26 andupright walls end edges removable cover plate 31. Provided in the housing, so that it can slide in the longitudinal direction, is arunner 32 with thepin 14 for thepulleys end 33 of the runner is connected to twoadjacent tension springs end piece 36 closing off the right end of the housing. At the left end of the housing is theend piece 37 with thepin 38 for thefixed pulley 10. Acover 39 with feed- through aperture andguide groove 41 closes off this end of the housing. The cord can be directed clockwise or anticlockwise as desired.
Claims (4)
- l.Door spring, comprising at least three rotating pulleys (10, 12, 13) which are disposed in an oblong housing (25) and have parallel pins, at least two of which (12, 13) can be moved jointly against spring force (16) in the longiti- dinal direction of the housing, and with a pull cord (4) which is guided over the pulleys (10, 12, 13) and is conveyed with one end out of the housing, characterized in that the two jointly movable pulleys (12, 13) are coaxial and can rotate freely relative to each other, the pin of the third pulley (10) is fitted in fixed fashion in the housing (25), and the cord (4), starting from a fastening point (18) near the third pulley (10), is conveyed first over the first pulley (13), then over the third pulley (10), and subsequently over the second pulley (12), and is taken out of the housing near the third pulley (10).
- 2.Door spring according to claim 1, characterized in that the oblong housing (25) is U-shaped in cross section, while a runner (32) is guided slidingly in the housing (25), and carries a pivot pin (14) standing at right angles to the housing for the first (13) and second pulley (12), said runner (32) being connected by means of at least one coil spring (34) to a first end piece (36) shutting off one end of the housing, while fitted in the other end of the housing is a second end piece (37) which carries the pivot pin (38) of the third pulley (10), said pivot pin standing at right angles to the longitudinal axis of the housing.
- 3.Door spring according to claim 2, characterized in that two adjacent tension springs (34, 35) are fitted between runner (32) and first end piece (36).
- 4.Door spring according to claim 1-3, characterized in that the free end of the cord is connected with a button (5) which by means of a feed groove fits into the recessed part of a catch (6) to be fitted to the door.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8500114A NL8500114A (en) | 1985-01-17 | 1985-01-17 | DOOR HANDLE. |
NL8500114 | 1985-01-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0189228A1 true EP0189228A1 (en) | 1986-07-30 |
EP0189228B1 EP0189228B1 (en) | 1988-12-28 |
Family
ID=19845377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19860200061 Expired EP0189228B1 (en) | 1985-01-17 | 1986-01-14 | Door spring |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0189228B1 (en) |
DE (1) | DE3661562D1 (en) |
FI (1) | FI860208A (en) |
NL (1) | NL8500114A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7472457B2 (en) * | 2005-01-17 | 2009-01-06 | Effegi Giovanetti | Guide and support device for a furniture door |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE187430C (en) * | ||||
BE415427A (en) * | ||||
US1880870A (en) * | 1932-04-09 | 1932-10-04 | Demo Gust | Door closer |
US2833270A (en) * | 1952-04-05 | 1958-05-06 | Wrought Iron Range Company | Oven door hinge assembly |
US4003102A (en) * | 1975-08-07 | 1977-01-18 | Elmer E. Jones | Door and window closer |
FR2504182A1 (en) * | 1981-04-21 | 1982-10-22 | Fauvel Gilbert | Spring loaded automatic door closure - has box on door frame traverse enclosing spring and cable system |
-
1985
- 1985-01-17 NL NL8500114A patent/NL8500114A/en not_active Application Discontinuation
-
1986
- 1986-01-14 DE DE8686200061T patent/DE3661562D1/en not_active Expired
- 1986-01-14 EP EP19860200061 patent/EP0189228B1/en not_active Expired
- 1986-01-16 FI FI860208A patent/FI860208A/en not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE187430C (en) * | ||||
BE415427A (en) * | ||||
US1880870A (en) * | 1932-04-09 | 1932-10-04 | Demo Gust | Door closer |
US2833270A (en) * | 1952-04-05 | 1958-05-06 | Wrought Iron Range Company | Oven door hinge assembly |
US4003102A (en) * | 1975-08-07 | 1977-01-18 | Elmer E. Jones | Door and window closer |
FR2504182A1 (en) * | 1981-04-21 | 1982-10-22 | Fauvel Gilbert | Spring loaded automatic door closure - has box on door frame traverse enclosing spring and cable system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7472457B2 (en) * | 2005-01-17 | 2009-01-06 | Effegi Giovanetti | Guide and support device for a furniture door |
Also Published As
Publication number | Publication date |
---|---|
FI860208A0 (en) | 1986-01-16 |
EP0189228B1 (en) | 1988-12-28 |
NL8500114A (en) | 1986-08-18 |
DE3661562D1 (en) | 1989-02-02 |
FI860208A (en) | 1986-07-18 |
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