DE44882C - Clamping device for elevator devices - Google Patents
Clamping device for elevator devicesInfo
- Publication number
- DE44882C DE44882C DENDAT44882D DE44882DA DE44882C DE 44882 C DE44882 C DE 44882C DE NDAT44882 D DENDAT44882 D DE NDAT44882D DE 44882D A DE44882D A DE 44882DA DE 44882 C DE44882 C DE 44882C
- Authority
- DE
- Germany
- Prior art keywords
- drawstring
- roller
- weight
- eccentric
- clamping device
- 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 - Lifetime
Links
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000001419 dependent Effects 0.000 description 1
- 230000000284 resting Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H3/00—Fastening, clamping, or guiding devices for the bands or cords of curtains or the like
- A47H3/02—Fastening, clamping, or guiding devices for bands or cords
- A47H3/12—Belt strap holders; Belt strap rollers; Belt strap tensioning devices
-
- 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
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
-
- 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
- E06B9/78—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles
- E06B2009/785—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor for direct manual operation, e.g. by tassels, by handles by belts, straps, bands, tapes, cords, tassels
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Emergency Lowering Means (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMTPATENT OFFICE
KLASSE 37: Hochbauwesen.CLASS 37: Building construction.
Die bisher bekannten Arretirvorrichtungen für Rollaufzüge, die durch ein Zugband in Bewegung versetzt wurden, wirken nicht schnell und sicher genug, so dafs die bis zum Arretirungsmoment erlangte Geschwindigkeit und lebendige Kraft der herabstürzenden Jalousie eine grofse Beanspruchung des Zugbandes der Jalousie und infolge dessen leichten Bruch herbeiführte.The previously known locking devices for roller lifts, which are in Movement have been moved, do not act quickly and safely enough, so that they do so up to the moment of arrest The speed and vital force of the falling blinds achieved a great strain on the drawstring of the Venetian blind and caused a slight break as a result.
Man hat den Eintritt der Arretirung schon von den verschiedensten Momenten abhängig gemacht, z. B. von der Richtung des Zugbandes in Patenten No. 6424 und 7018 oder von der Spannung desselben, wie bei den Wiebe'schen Aufzügen. Noch niemals aber hat man die natürliche Elasticität des Zugbandes zur Arretirung in der Weise benutzt, dafs man das Band geknickt über zwei hinter einander, auf entgegengesetzten Seiten angeordnete Rollen führt und zwischen beiden Knickstellen durch ein Excenter festklemmt.The occurrence of the arrest has already been dependent on the most varied of moments made, e.g. B. from the direction of the drawstring in Patents No. 6424 and 7018 or from the tension of the same, as in Wiebe's elevators. But you never have the natural elasticity of the drawstring used for locking in such a way that one kinks the band over two behind leads to each other, rollers arranged on opposite sides and between the two Kinks clamped by an eccentric.
Die Wirkung dieser Anordnung ist folgende:The effect of this arrangement is as follows:
Das Zugband ^, welches in der Pfeilrichtung Fig. ι und 3 durch das Gewicht der Jalousie bewegt wird, erfährt durch die Rollen r r1 zwei Knickungen; so lange nun beim Herablassen der Jalousie auf das untere Zugbandende u ein gewisser Widerstand ausgeübt, also das Zugband straffgehalten wird, legt sich das Zugband scharf an die beiden Rollen r rl an und wird zwischen "beiden straff und gerade gehalten.The tension band ^, which is moved in the arrow direction Fig. Ι and 3 by the weight of the blind, experiences two kinks through the rollers rr 1; so long now exerted during lowering of the blind on the lower Zugbandende u a certain resistance, is thus kept taut the tension belt, the tension band sets sharply at the two rollers rr l, and is taut between "two and kept straight.
Sowie aber das Zugbandende u fahren gelassen oder frei wird, hört diese straffe Spannung auf, ebenso die scharfe Krümmung des Zugbandes um die Rollen rr1, und das Zugband nimmt die punktirte Lage yy an, wobei es das Excenter e erfafst und sich zwischen Rolle r1 und Excenter e festklemmt.But as soon as the end of the drawstring u is allowed to move or is released, this tight tension ceases, as does the sharp curvature of the drawstring around the rolls rr 1 , and the drawstring assumes the dotted position yy , grasping the eccentric e and moving between roll r 1 and eccentric e clamped.
Das Zugband wird im Annehmen dieser punktirten Lage yy unterstützt durch ein auf dem Zugbande ruhendes Rollengewicht g, welches zwangläufig mit dem Excenter e verbunden ist und durch sein Eigengewicht das Zugband niederdrückt; das Gewicht preist dabei gleichzeitig das Excenter e gegen das Zugband, da die pendelnde Gewichtsrolle g durch Stift s mit dem Excenterarm verbunden ist, in dessen Schlitz t der Stift s gleitet.In assuming this dotted position yy , the drawstring is supported by a roller weight g resting on the drawstring, which is inevitably connected to the eccentric e and, by its own weight, presses the drawstring down; the weight at the same time praises the eccentric e against the tension band, since the oscillating weight roller g is connected by pin s to the eccentric arm, in whose slot t the pin s slides.
Es ist ohne Weiteres klar, dafs diese Gewichtsrolle die schnelle Wirkung der Arretirung und ihre Sicherheit bedeutend vermehrt, da diese Belastung die natürliche Durchbiegung des Zugbandes beim Aufhören des unteren Zuges bei u wirksam unterstützt und beim Loslassen sofort das Zugband in den Bereich des Excenterhebels e führt. Die herabfallende Jalousie kann deshalb gar keine grofse Geschwindigkeit annehmen und keine grofse lebendige Kraft entwickeln, die das Zugband übermäfsig beanspruchen würde.It is immediately clear that this weight roller increases the quick action of the locking and its safety significantly, since this load effectively supports the natural bending of the pulling strap when the lower pull is stopped at u and, when released, immediately guides the pulling strap into the area of the eccentric lever e . The falling blind can therefore not assume any great speed at all and develop no great living force which would put excessive strain on the drawstring.
Zur Erklärung der Zeichnung diene noch Folgendes:The following also serve to explain the drawing:
α ist die Achse für die Rolle r, ax für die Rolle r1; auf α1 sitzt der Rahmen 0, der die Gewichtsrolle g und den Stift s trägt. A ist der Gesammtrahmen, in dem die beiden Rollen r rl und der Excenterhebel e gelagert sind. α is the axis for role r, a x for role r 1 ; the frame 0, which carries the weight roller g and the pin s , sits on α 1. A is the overall frame in which the two rollers rr l and the eccentric lever e are mounted.
Das Excenter e kann auch, anstatt gegen die Rolle r1 festklemmend zu wirken, gegen die bewegliche Gewichtsrolle g sich klemmendThe eccentric e , instead of having a clamping effect against the roller r 1, can also clamp against the movable weight roller g
festpressen; die Wirkungsweise wird dadurch noch eine correctere.press down; the mode of action thereby becomes even more correct.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
DE44882C true DE44882C (en) |
Family
ID=320087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT44882D Expired - Lifetime DE44882C (en) | Clamping device for elevator devices |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE44882C (en) |
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0
- DE DENDAT44882D patent/DE44882C/en not_active Expired - Lifetime
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