EP1447114A1 - Vorrichtung zur Sicherung von Personen und Lasten - Google Patents
Vorrichtung zur Sicherung von Personen und Lasten Download PDFInfo
- Publication number
- EP1447114A1 EP1447114A1 EP04002745A EP04002745A EP1447114A1 EP 1447114 A1 EP1447114 A1 EP 1447114A1 EP 04002745 A EP04002745 A EP 04002745A EP 04002745 A EP04002745 A EP 04002745A EP 1447114 A1 EP1447114 A1 EP 1447114A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- tension member
- gear
- housing
- tie rod
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
- A62B35/0093—Fall arrest reel devices
Definitions
- the invention relates to a device for securing people and Loads in the event of a crash, consisting of e.g. in a housing against the Power of one or more return springs rotatably mounted drum for Inclusion of a tension member, the free end with the person to be secured or the Load is connectable, and a ratchet, by means of which the drum with the Housing is lockable.
- a safety device of this type is known from GB 2 279 636A. At a Crash of a person connected to the traction rope wound on a drum is blocked by a ratchet mechanism that interacts with the drum, also, as soon as the pulling force acting on the pulling rope is released, the Drum returned to the starting position by means of springs, the winding of the However, pulling ropes on the drum are associated with considerable difficulties:
- Winding rope is namely only a stationary in the housing held roller, which has a concavely curved surface, and by a The outlet opening is guided so that the traction cable automatically takes up the respective position got to.
- a controlled winding is not given, rather the pull rope uncontrollably wrapped around the drums. This in turn can Impairment of the safety function of the device cause the pull rope the drum sometimes jammed.
- Another disadvantage is that the Ratchet only engages at a certain speed of rotation of the drum, a security is therefore only given with a corresponding drop height. Slipping people and loads are therefore not to be secured.
- the object of the invention is therefore a device for securing people and To train loads of the aforementioned type in such a way that not only one Blocking of the pull rope in the event of a fall or if the secured rope slips Person or load is guaranteed, but above all that a controlled opening and closing Unwinding the tension member from or on the drum is ensured.
- a fault-free function of the device should therefore always be given, also should these can be used in a variety of ways.
- the construction effort by means of this is to be achieved, should be kept low, and should also be as proposed trained device to be easy to use.
- this is in a device for securing people and Loads of the type mentioned are achieved in that the drum Device for guiding the tension member is assigned, by means of which the Drum-discharging part of the tension member depending on the speed of rotation the drum is perpendicular to its longitudinal axis and the Adjustment movement of the tension member in the two end regions of the drum automatically is reversible.
- the device for guiding the tension member should be simple axially limited on a tie rod arranged parallel to the longitudinal axis of the drum adjustable track stone through which the tension member is passed, and one in this screwed threaded spindle, via gear sets or toothed belts and control lever is inevitably in drive connection with the drum and its Direction of rotation in the end positions of the tension member on the drum is reversible be, alternating to reverse the direction of rotation of the threaded spindle should be connectable with one gear each, which in different Rotation directions can be driven by the drum.
- control cams provided on the gears and the To interpret translations of the control levers such that the Tie rod each at least by the width of the drum or with the Co-operating gear sets or gear wheels is adjustable, so that the drive connection of the threaded spindle to the drum alternately is separable.
- the pawl should be formed by two sprockets, one of which Fixed sprocket, e.g. firmly connected to the housing, arranged and the other Sprocket is rotatably attached to the drum, and for actuating the Jack ratchets should be limited towards the laxative part of the drum Tension member be held in the housing.
- the ratchet mechanism can also be used a stationary, e.g. ring gear firmly connected to the housing and one or more pivotable on the drum against the force of springs held pawls are formed, the rotation of the drum with the Interact with the ring gear.
- the ratchet mechanism can thus easily even at a slow rotation speed of the drum, e.g. if a secured Person slips, triggered.
- the return springs acting on the drum can be one or more preferably arranged within the drum arranged spiral springs with their inner ends, on the one hand, on the drum-bearing, which is held in a rotationally fixed manner Shaft and on the other hand are supported with their outer end on the drum.
- a rope made of wire, plastic or textile fibers can serve as a tension member or a similarly deformable windable component is provided, the A deflection member can be assigned to the device for lateral guidance of the tension member, the stationary at a distance from the sliding block, e.g. by means of one with the housing connected bracket is held and preferably with a rotatably mounted Rollers equipped cross-shaped passage plate exists.
- the device designed according to the proposal only consists of a few simply designed components, making them inexpensive is to be produced. Furthermore, it is very versatile in use Given handling.
- the device is namely only above or next to one Arrange securing person or load to be able to be used. On Construction sites can therefore, for example, initially use a crane on a drum be hung in order to ensure reliable securing of the To enable people to carry out work, the device can also appropriate design e.g. can be used to advantage in mountaineering. With With the help of the device, little technical effort is consequently serious Avoid accidents reliably.
- the device shown in Figures 1 to 6 and designated 1 is used for Securing people and loads, especially in the event of a fall, and exists in essentially from a rotatable in a housing 4 against the force of Return springs 6 mounted drum 2 for receiving a tension member 3 in shape a rope, two ratchet devices 7 arranged on both sides of the drum 2 and a device 21 for guiding the tension member 3.
- the drum 2 is on one Shaft 8 rotatably mounted about its longitudinal axis A, which in the formed from plates Housing 4, which can be attached by means of tabs 5, held.
- the tension member 3 is thus in exact positions on the drum 2nd wound up or unwound from this.
- gear sets 31st and 32 For the positive connection of the threaded spindle 24 to the drum 3 are on the shaft 8 of fixed gears 29 and 30 on both sides and gear sets 31st and 32 provided with the on the tie rod 23 in its end regions arranged gears 25 and 26 and these in turn with on the threaded spindle 24 arranged gears 27 and 28 cooperate.
- the gear sets 31 and 32 are designed such that the gears 25 and 26 as soon as these are alternately engaged with the gear sets 31 and 32, in different directions of rotation are driven.
- the gear wheels 25 and 26 arranged on the tie rod 23 are axially closed move. This is done using control cams 39 and 40 and control levers 33 or 34 accomplished, which are hinged to the tie rod 23.
- control cams 39 and 40 are also gear wheels 35 and 8 arranged on the shaft 8, respectively. 36 provided, each with a switching cam 35 'or 36' in gears 37 or 38 engage, on which the control curves 39 and 40 are integrally formed on the end face.
- the gears 39 and 40 With each revolution of the drum 2, the gears 39 and 40 with the help of Switch cams 35 'and 36' each adjusted by one tooth width.
- the lengths of the Control curves 39 and 40 which are arranged offset by 180 ° to one another, are here each assigned to a position of the tension member 3 on the drum 2, so that as soon as the tension member 3 reaches an end position, the direction of rotation of the threaded spindle 24 is automatically reversed.
- tie rod 23 is operated using control lever 33 or 34 shifted such that, for example, starting from the one shown in FIG Operating position, the gear 25 out of engagement with the gear 27 and the gear 31 and the gear 26 brought into engagement with the gear 32 and the gear 28 become.
- the control curves 39 and 40 and the translations of the control levers 33 and 34 are designed in such a way that the Drive connection during an adjustment process, the tie rod 23 at least around the width of the wheel sets 31 and 32 are adjustable.
- toothed belt 47 is shown, furthermore the toothed wheels 37 and 38 with the help of pins 48, which are on the end face of the switching wheels 35 and 36 stand out, be gradually adjusted.
- plates 49 and 50 are provided, which as well as the Storage of the control levers 33 and 34 held or attached to the housing 4 are.
- the return spring 6, by means of which the tension member 3 and thus the person to be secured is constantly kept in tension, is connected in the embodiment shown in FIG. 2, in which the device 1 is suspended from a crane hook 20 by means of a bracket 19, by a plurality of ones connected in series Spiral springs 51, 51 ', 51 "... are formed.
- the inner end of the spiral spring 51 is supported on the fixed shaft 8 by means of a bolt 53, while the outer end of the spiral spring 51 is by means of a pin 54 with a washer 52, on which in turn the inner end of the subsequent spiral spring 51 'is held.
- the spiral springs 51', 51 are fastened to disks 52 ', 52" ... by means of bolts 53', 53 "...
- the pawl 7 consists of two nested gear rings 41 and 42, of which the gear ring 41 is fixed the housing 4 and the ring gear 42 are firmly connected to the drum 2. at an abrupt displacement of the drum 2 engages the ring gear 42, as shown in FIG. 7 is shown in the ring gear 41, so that the drum 2 is blocked.
- the ratchet 7 "consists of the two ring gears 41 and 42 and the pawls 43. With an abrupt displacement of the drum 2, e.g. due to a fall, the two sprockets 41 and 42, as in the Pawl lock according to Figure 7, engaged, at low speed of rotation Drum 2, however, the pawls 43 are pivoted out, so that at their Intervention in the ring gear 41 precludes further rotation of the drum 2 is.
- the device 1 can be used to guide the part 3 'of the drum 2 leading away Tension member 3 outside the device 21, a deflection member 57 can be assigned is held at a distance from the sliding block 22 by means of a bracket 56.
- the Deflection member 57 is present, as is also the case in FIG. 10 can be seen from a cross piece 58, in which four rollers 59 are each rectangular are rotatably offset from one another. This way there is increased friction of the tension member 3 avoided in the sliding block 22 and the tension member 3 can by 360 ° can be used around the device 1, so that a large area of application given is.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Transmission Devices (AREA)
Abstract
Description
- Figur 1
- die Sicherungsvorrichtung in einer perspektivischen Darstellung, befestigt an einer Wand oder dgl.,
- Figur 2
- die Vorrichtung nach Figur 1, teilweise in einem Axialschnitt, aufgehängt an einem Krankhaken,
- Figur 3
- die Vorrichtung nach Figur 1 in Vorderansicht,
- Figur 4
- eine Ausführungsvariante der Vorrichtung nach Figur 1 in einer Darstellung nach Figur 3,
- Figuren 5 und 6
- die Vorrichtung nach Figur 1 in einer stehenden Anordnung, jeweils in Seitenansicht und in unterschiedlichen Betriebsstellungen,
- Figuren 7, 8 und 9
- unterschiedliche Ausgestaltungen der bei der Vorrichtung nach Figur 1 verwendbaren Klinkengesperre und
- Figur 10
- das bei der Vorrichtung nach Figur 1 vorgesehene Umlenkglied in einer vergrößerten Darstellung.
Claims (15)
- Vorrichtung (1) zur Sicherung von Personen und Lasten bei einem Absturz, bestehend aus einer z.B. in einem Gehäuse (4) entgegen der Kraft einer oder mehrerer Rückstellfedern (6) verdrehbar gelagerten Trommel (2) zur Aufnahme eines Zuggliedes (3), dessen freies Ende mit der zu sichernden Person oder der Last verbindbar ist, und einem Klinkengesperre (7), mittels dem die Trommel (2) mit dem Gehäuse (4) verriegelbar ist,
dadurch gekennzeichnet, daß der Trommel (2) eine Einrichtung (21) zur Führung des Zuggliedes (3) zugeordnet ist, mittels der das von der Trommel (2) abführendeTeil (3') des Zuggliedes (3) in Abhängigkeit von der Drehgeschwindigkeit der Trommel (2) achssenkrecht zu deren Längsachse (A) verstellbar und die Verstellbewegung des Zuggliedes (3) in den beiden Endbereichen der Trommel (2) selbsttätig umsteuerbar ist. - Sicherungsvorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Einrichtung (21) zur Führung des Zuggliedes (3) aus einem auf einer parallel zur Längsachse (A) der Tommel (2) angeordneten Spurstange (23) axial begrenzt verstellbar gehaltenen Spurstein (22), durch den das Zugglied (3) hindurchgeführt ist, und einer in diesen eingeschraubten Gewindespindel (24), die über Zahnradsätze (31, 32) oder Zahnriemen (47) und Steuerhebel (33, 34) mit der Trommel (2) zwangläufig in Triebverbindung steht und deren Drehrichtung in den Endlagen des Zuggliedes (3) auf der Trommel (2) umkehrbar ist, gebildet ist. - Sicherungsvorrichtung nach Anspruch 2,
dadurch gekennzeichnet, daß zur Umkehrung der Drehrichtung der Gewindespindel (24) diese wechselweise mit jeweils einem Zahnrad (25 bzw. 26) kuppelbar ist, die in unterschiedlichen Drehrichtungen durch die Trommel (2) antreibbar sind. - Sicherungsvorrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß zur wechselweisen Koppelung der Gewindespindel (24) mit der Trommel (2) auf der Spurstange (23) in deren beiden Endbereichen jeweils ein Zahnrad (25, 26) angeordnet ist, die durch Axialverschiebung der Spurstange (23) mit den mit der Trommel(2) trieblich verbundenen Zahnsätzen (31 bzw. 32) und mit auf der Gewindespindel (24) angeordneten Zahnrädern (27 bzw. 28) verbindbar sind. - Sicherungsvorrichtung nach Anspruch 3 oder 4,
dadurch gekennzeichnet, daß an den beiden Enden der Spurstange (23) Steuerhebel (33, 34) angelenkt sind, die mit ihren freien Enden mit an mit der Trommel (2) trieblich verbundenen Zahnrädern (37, 38) vorgesehenen um 180° zueinander versetzt angeordneten Steuerkurven (39, 40) zusammenwirken, mittels denen die Spurstange (23) gesteuert axial verschiebbar ist. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 3 bis 5,
dadurch gekennzeichnet, daß die mit den Steuerkurven (39, 40) versehenen Zahnräder (37, 38) jeweils mittels eines mit der Trommel (2) trieblich verbundenen vorzugsweise koaxial zu dieser angeordneten Zwischengliedes (35, 36) schrittweise verstellbar sind, das über einen vorstehenden Zahn (35', 36'), einen abstehenden Stift (48), oder dgl. mit dem zugeordneten Zahnrad (39, 40) zusammenwirkt. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 2 bis 5,
dadurch gekennzeichnet, daß die an den Zahnrädern (37, 38) vorgesehenen Steuerkurven (39, 40) und die Übersetzungen der Steuerhebel (33, 34) derart ausgelegt sind, dass bei einem Verstellvorgang die Spurstange (23) jeweils mindestens um die Breite der mit der Trommel (2) zusammenwirkenden Zahnradsätzen (31, 32)bzw. den mit der Gewindespindel (24) zur wechselweisen Unterbrechung der Triebverbindungen verstellbar ist. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß das Klinkengesperre (7) durch zwei Zahnkränze (41, 42) gebildet ist, von denen ein Zahnkranz (41) ortsfest, z.B. mit dem Gehäuse (4) fest verbunden, angeordnet und der andere Zahnkranz (42) drehfest an der Trommel (2) angebracht ist und dass zur Betätigung des Klinkengesperres (7) die Trommel (2) begrenzt in Richtung des abführenden Teils (3') des Zuggliedes (3) verschiebbar in dem Gehäuse (4) gehalten ist. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 1 bis 7,
dadurch gekennzeichnet, daß das Klinkengesperre (7) durch einen ortsfest angeordneten, z.B. mit dem Gehäuse (4) fest verbundenen Zahnkranz (41) und einer oder mehreren an der Trommel (2) entgegen der Kraft von Federn (44) verschwenkbar gehaltenen Sperrklinken (43) gebildet ist, die bei Rotation der Trommel (2) mit dem Zahnkranz (41) zusammenwirken. - Sicherungsvorrichtung nach Anspruch 8 oder 9,
dadurch gekennzeichnet, daß die Klinkengesperre (7) beidseitig der Trommel (2) fluchtend zu deren Längsachse (A) angeordnet sind. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 8 bis 10,
dadurch gekennzeichnet, daß die Klinkengesperre (7) durch die beiden relativ zueinander verschiebbaren Zahnkränze (41, 42) sowie dem ortsfesten Zahnkranz (41) und an dem mit der Trommel (2) verbundenen begrenzt in Richtung des abführenden Teils (3') des Zuggliedes (3) verstellbaren Zahnkranz (42) angebrachten jeweils entgegen der Kraft einer Feder(44) verstellbaren Sperrklinken (43) gebildet sind. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 1 bis 11,
dadurch gekennzeichnet, daß die auf die Trommel (2) einwirkenden Rückstellfeder (6) durch eine oder mehrere vorzugsweise innerhalb der Trommel (2) angeordneten Spiralfedern (51', 51 ", 51'"...) gebildet sind, die mit ihren inneren Enden einerseits an der die Trommel (2) tragenden drehfest gehaltenen Welle(8) und andererseits mit ihrem äußeren Ende an der Trommel (2) abgestützt sind. - Sicherungsvorrichtung nach Anspruch 12,
dadurch gekennzeichnet, daß bei einer durch mehrere Spiralfedern (51, 51', 51"...) gebildeten Rückstellfeder (7) diese parallel zueinander angeordnet und in Reihe geschaltet sind, derart, dass die erste der Spiralfedern (51) mit ihrem inneren Ende an der die Trommel (2) tragenden Welle (8) und mit ihrem äußeren Ende an einer drehbar gelagerten Scheibe (52) abgestützt ist und dass die nachfolgenden Spiralfedern (51', 51 ", 51'"...) mit ihren inneren Enden jeweils an der Scheibe (52) und mit ihren äußeren Enden an einer auf der gegenüberliegenden Seite angeordneten weiteren Scheibe (52') und die letzte der in Reihe geschalteten Spiralfedern (51n) mit ihrem äußeren Ende an der Trommel (2) abgestützt sind. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 1 bis 13,
dadurch gekennzeichnet, daß als Zugglied (3) ein Seil aus Draht oder aus aus Kunststoff oder aus textilen Fasern, ein Gurt oder ein ähnlich verformbares, aufwickelbares Bauteil vorgesehen ist. - Sicherungsvorrichtung nach einem oder mehreren
der Ansprüche 1 bis 14,
dadurch gekennzeichnet, daß der Einrichtung (21) zur seitlichen Führung des Zuggliedes (3) ein Umlenkglied (57) zugeordnet ist, das ortsfest mit Abstand zu dem Kulissenstein (22), z.B. mittels eines mit dem Gehäuse (4) verbundenen Bügels (56) gehalten ist und vorzugsweise aus einer mit drehbar gelagerten Rollen bestückten kreuzartig ausgebildeten Durchgangsplatte besteht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10306370 | 2003-02-15 | ||
DE10306370A DE10306370A1 (de) | 2003-02-15 | 2003-02-15 | Vorrichtung zur Sicherung von Personen und Lasten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1447114A1 true EP1447114A1 (de) | 2004-08-18 |
EP1447114B1 EP1447114B1 (de) | 2006-03-08 |
Family
ID=32668072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04002745A Expired - Lifetime EP1447114B1 (de) | 2003-02-15 | 2004-02-07 | Vorrichtung zur Sicherung von Personen und Lasten |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1447114B1 (de) |
AT (1) | ATE319507T1 (de) |
DE (2) | DE10306370A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008019354A2 (en) | 2006-08-08 | 2008-02-14 | D B Industries, Inc. | Retractable horizontal lifeline assembly |
CN108715382A (zh) * | 2018-08-01 | 2018-10-30 | 中煤特殊凿井有限责任公司 | 一种管道回收辅助装置 |
CN113135474A (zh) * | 2021-04-19 | 2021-07-20 | 开封大学 | 一种计算机网络排线辅助装置及其应用 |
CN113772546A (zh) * | 2021-09-14 | 2021-12-10 | 安徽科技学院 | 一种圆盘形起重机提升装置 |
CN116835471A (zh) * | 2023-08-29 | 2023-10-03 | 河南科技学院 | 一种大起升高度永磁驱动起重机防乱绳装置 |
Citations (7)
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DE187345C (de) * | ||||
US1141995A (en) * | 1914-07-27 | 1915-06-08 | George F Upton | Fire-escape. |
US1189381A (en) * | 1914-06-17 | 1916-07-04 | William E Payne | Automatic fire-escape. |
GB569015A (en) * | 1943-05-14 | 1945-05-01 | Phillips & Powis Aircraft Ltd | Improvements in winch gear |
GB2279636A (en) | 1993-07-07 | 1995-01-11 | Barrow Hepburn Sala Ltd | Indicating use of fall-arrest apparatus |
US5722612A (en) * | 1994-01-18 | 1998-03-03 | Barrow Hepburn Sala Ltd. | Clutch mechanism for use in safety apparatus |
WO2000054842A1 (en) * | 1999-03-16 | 2000-09-21 | Cameron Macmillan Baker | Tethering apparatus and inertia locking reel |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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GB612750A (en) * | 1946-05-31 | 1948-11-17 | John Burgoyne Pillin | Improvements relating to reels for hose pipes, cables and the like |
GB670037A (en) * | 1949-05-06 | 1952-04-09 | Torsten Karlsson | Improved winding device |
DE1807961A1 (de) * | 1968-11-09 | 1970-06-11 | Demag Bagger & Kran Gmbh | Seiltrommel mit einer Umschaltvorrichtung |
DE3418378A1 (de) * | 1984-05-17 | 1986-02-13 | Britax-Kolb GmbH & Co, 8065 Erdweg | Gurtaufroller fuer fahrzeugsicherheitsgurte |
-
2003
- 2003-02-15 DE DE10306370A patent/DE10306370A1/de not_active Ceased
-
2004
- 2004-02-07 AT AT04002745T patent/ATE319507T1/de not_active IP Right Cessation
- 2004-02-07 EP EP04002745A patent/EP1447114B1/de not_active Expired - Lifetime
- 2004-02-07 DE DE502004000330T patent/DE502004000330D1/de not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE187345C (de) * | ||||
US1189381A (en) * | 1914-06-17 | 1916-07-04 | William E Payne | Automatic fire-escape. |
US1141995A (en) * | 1914-07-27 | 1915-06-08 | George F Upton | Fire-escape. |
GB569015A (en) * | 1943-05-14 | 1945-05-01 | Phillips & Powis Aircraft Ltd | Improvements in winch gear |
GB2279636A (en) | 1993-07-07 | 1995-01-11 | Barrow Hepburn Sala Ltd | Indicating use of fall-arrest apparatus |
US5722612A (en) * | 1994-01-18 | 1998-03-03 | Barrow Hepburn Sala Ltd. | Clutch mechanism for use in safety apparatus |
WO2000054842A1 (en) * | 1999-03-16 | 2000-09-21 | Cameron Macmillan Baker | Tethering apparatus and inertia locking reel |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008019354A2 (en) | 2006-08-08 | 2008-02-14 | D B Industries, Inc. | Retractable horizontal lifeline assembly |
WO2008019354A3 (en) * | 2006-08-08 | 2008-04-03 | Db Ind Inc | Retractable horizontal lifeline assembly |
AU2007281744B2 (en) * | 2006-08-08 | 2012-07-26 | D B Industries, Llc | Retractable horizontal lifeline assembly |
US8528694B2 (en) | 2006-08-08 | 2013-09-10 | D B Industries, Llc | Retractable horizontal lifeline assembly |
US8739929B2 (en) | 2006-08-08 | 2014-06-03 | D B Industries, Llc | Retractable horizontal lifeline assembly |
CN108715382A (zh) * | 2018-08-01 | 2018-10-30 | 中煤特殊凿井有限责任公司 | 一种管道回收辅助装置 |
CN113135474A (zh) * | 2021-04-19 | 2021-07-20 | 开封大学 | 一种计算机网络排线辅助装置及其应用 |
CN113772546A (zh) * | 2021-09-14 | 2021-12-10 | 安徽科技学院 | 一种圆盘形起重机提升装置 |
CN113772546B (zh) * | 2021-09-14 | 2022-12-20 | 安徽科技学院 | 一种圆盘形起重机提升装置 |
CN116835471A (zh) * | 2023-08-29 | 2023-10-03 | 河南科技学院 | 一种大起升高度永磁驱动起重机防乱绳装置 |
CN116835471B (zh) * | 2023-08-29 | 2023-12-05 | 河南科技学院 | 一种大起升高度永磁驱动起重机防乱绳装置 |
Also Published As
Publication number | Publication date |
---|---|
DE10306370A1 (de) | 2004-09-02 |
ATE319507T1 (de) | 2006-03-15 |
DE502004000330D1 (de) | 2006-05-04 |
EP1447114B1 (de) | 2006-03-08 |
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