EP0038428B1 - Kopfbeschlag für Leitern und einschiebbare Bodentreppen - Google Patents
Kopfbeschlag für Leitern und einschiebbare Bodentreppen Download PDFInfo
- Publication number
- EP0038428B1 EP0038428B1 EP81102149A EP81102149A EP0038428B1 EP 0038428 B1 EP0038428 B1 EP 0038428B1 EP 81102149 A EP81102149 A EP 81102149A EP 81102149 A EP81102149 A EP 81102149A EP 0038428 B1 EP0038428 B1 EP 0038428B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ladder
- retractable
- stairs
- loft
- trap
- 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.)
- Expired
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
- E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
- E04F11/06—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
- E04F11/068—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic telescopic
Definitions
- the present invention relates to an articulated head fitting for retractable attic ladders or stairs, articulated on the one hand on the top of the hatch and, on the other hand, on a slide on which slides a ladder or a retractable attic staircase.
- the object of the present invention relates to an articulated head fitting for attic ladders and stairs, of a type conforming to GB-A-903608, composed of several sections which can be deployed by sliding one over the other, the upper section supporting the folded state of the other sections, all of the sections once folded being retractable through a hatch; fitting comprising two carrying arms located on either side of the upper section of the ladder or staircase, each arm being pivotally mounted around an axis located near the edge of the hatch, the arms being connected to the upper section of the ladder or staircase by means of sliding of the slide-slide type allowing said upper section to move in its plane in the sliding direction of the different sections.
- the desired objective is achieved while the pivoting of the arms relative to the upper edge of the hatch is effected by an articulation of the type constituted by a horizontal axis rotating in two fixed stirrups and integral with a joist constituting the border of the hatch, said articulation being situated at one end of the arms in any place of the joist, and in that the other end of the arms is articulated on two slides on which the lateral uprights of the section of the ladder move or staircase, by means of an axis connecting said slides.
- the hinged head fitting for a ladder or retractable attic staircase is composed of two carrying arms (1). These two carrying arms are articulated around an axis (3) threaded at its two ends and resting on two stirrups (2) secured to the joist of the hatch by means of lag screws (16).
- the free assembly in rotation of the two carrying arms (1) of the axis (3) and the two brackets (2) is obtained by means of two nuts (4) and two spring washers (5) screwed on the two ends threaded on said axis (3).
- This latter arrangement makes it possible to obtain friction on rotation, offering the possibility of maintaining the carrying arms (1) in the desired position during the handling of the ladder or of the retractable attic staircase.
- a stop (14) adjustable in height on the upper section of the ladder or of the retractable attic staircase limits the travel of said section during folding.
- a pawl (10) makes it possible to immobilize the upper section of the ladder or of the retractable attic staircase on the slide (7).
- This ratchet (10) free to rotate pivots under the effect of its own weight around an axis (11) and has a lug (12).
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8009064 | 1980-04-22 | ||
FR8009064A FR2480833A1 (fr) | 1980-04-22 | 1980-04-22 | Ferrure de tete articulee pour echelles et escaliers de grenier escamotables |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0038428A2 EP0038428A2 (de) | 1981-10-28 |
EP0038428A3 EP0038428A3 (en) | 1982-04-07 |
EP0038428B1 true EP0038428B1 (de) | 1984-08-08 |
Family
ID=9241238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81102149A Expired EP0038428B1 (de) | 1980-04-22 | 1981-03-21 | Kopfbeschlag für Leitern und einschiebbare Bodentreppen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0038428B1 (de) |
DE (1) | DE3165335D1 (de) |
FR (1) | FR2480833A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2537634B1 (fr) * | 1982-12-13 | 1986-10-17 | Rey Henri | Escalier escamotable |
FR2594874B1 (fr) * | 1986-02-21 | 1988-05-06 | Chatellerault Armes Cycles | Ferrure de tete articulee et compensee pour escalier de grenier escamotable |
GB9107912D0 (en) * | 1991-04-13 | 1991-05-29 | Knight Hugh P | Improved loft access arrangement |
CN112127661B (zh) * | 2020-08-17 | 2021-11-12 | 聊城绿天使科技发展有限公司 | 一种可移动的信息亭 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH259028A (de) * | 1947-06-18 | 1948-12-31 | Feldmann Ernst | Aufzugtreppenanlage. |
GB903608A (en) * | 1960-06-11 | 1962-08-15 | John Henry Lawson King | Improvements in or relating to extendable ladders |
FR1456828A (fr) * | 1965-09-13 | 1966-07-08 | Gubri Sa Ets L | Perfectionnements apportés aux échelles ou escaliers escamotables par une trappe, notamment par une trappe de grenier |
FR1481869A (fr) * | 1966-06-03 | 1967-05-19 | Perfectionnements aux escaliers escamotables |
-
1980
- 1980-04-22 FR FR8009064A patent/FR2480833A1/fr active Granted
-
1981
- 1981-03-21 EP EP81102149A patent/EP0038428B1/de not_active Expired
- 1981-03-21 DE DE8181102149T patent/DE3165335D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0038428A3 (en) | 1982-04-07 |
EP0038428A2 (de) | 1981-10-28 |
FR2480833A1 (fr) | 1981-10-23 |
FR2480833B1 (de) | 1983-01-07 |
DE3165335D1 (en) | 1984-09-13 |
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