WO2004005106A1 - Glass handling systems - Google Patents
Glass handling systems Download PDFInfo
- Publication number
- WO2004005106A1 WO2004005106A1 PCT/AU2003/000882 AU0300882W WO2004005106A1 WO 2004005106 A1 WO2004005106 A1 WO 2004005106A1 AU 0300882 W AU0300882 W AU 0300882W WO 2004005106 A1 WO2004005106 A1 WO 2004005106A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shaft
- grip
- sheet
- trolley
- vacuum
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/04—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor involving means for grappling or securing in place objects to be carried; Loading or unloading equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/10—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape
- B62B3/108—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by supports specially adapted to objects of definite shape the objects being plates, doors, panels, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
- B65G49/05—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
- B65G49/06—Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
- B65G49/062—Easels, stands or shelves, e.g. castor-shelves, supporting means on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2203/00—Grasping, holding, supporting the objects
- B62B2203/30—Grasping, holding, supporting the objects using magnets or suction cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
- B65G2249/04—Arrangements of vacuum systems or suction cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
- B65G2249/04—Arrangements of vacuum systems or suction cups
- B65G2249/045—Details of suction cups suction cups
Definitions
- the present invention relates to systems for handling sheets of glass or other sheets of relatively rigid and relatively smooth material such as metal, marble, or plasterboard.
- a grip device may be temporarily applied to the surface of the sheet to provide a hand grip or hand hold by which the sheet can be held.
- US patent 3,240,525 discloses a vacuum grip having a handle and a gripping pad which can be attached to the surface of the sheet by a small hand- operated vacuum pump whereby the grip can be securely attached to the surface of the sheet by a vacuum effect without damaging the surface of the sheet. Vacuum grips of the type shown in US 3,240,525 have been commercially available for many years and are in common use to facilitate manual transportation and manoeuvring of relatively large sheets of glass and the like in factories, in workshops, and by trades people such as glaziers and shop fitters.
- two or perhaps more, of the vacuum grips are applied to the surface of the sheet to enable the sheet to be manoeuvred and transported by two or more people, and when the sheet is in the required position the grips are removed from the sheet simply by releasing the vacuum.
- grips such as those just described are a significant aid to handling large sheets of glass and the like, nevertheless due to the weight of the glass sheet and sometimes the physical size of the sheet, strain injuries can often arise to personnel. A particular problem can also arise when manipulating a large sheet of glass for accurate placement into a frame such as may be incorporated in a shop front or similar.
- a device for handling glass or other sheet material said device being in the form of a wheeled trolley and having at least one vacuum grip for releasable attachment to the surface of the sheet to thereby support the sheet from the trolley, said trolley having at least one ground engaging wheel, and means enabling the height of the vacuum grip relative to the wheel to be adjusted.
- a device for handling glass or other sheet material said device being in the form of a wheeled trolley capable of manual manipulation and having a support shaft which extends upright in use of the trolley, two or more vacuum grips mounted on the shaft for movement into selected positions along the shaft, and means for supporting at least one of the grips in a selected position along the shaft.
- a device for handling glass or other sheet material said device being in the form of a wheeled trolley capable of manual manipulation and having at least one vacuum grip for releasable attachment to the surface of the sheet to thereby support the sheet from the trolley, the trolley having at least one ground-engaging wheel.
- the vacuum grip comprises a vacuum gripping pad associated with a vacuum pump which can be operated to apply a vacuum.
- the trolley comprises a main support shaft which extends upright in use of the trolley and the vacuum grip is mounted for movement into a selected position..along the length, of the shaft with means to secure the grip in a selected position.
- the shaft is threaded and the vacuum grip includes threaded structure for engagement with the thread of the shaft.
- the threaded structure is in the form of a split nut which can be released from engagement with the shaft thread to thereby enable the vacuum grip to be displaced along the shaft to a selected position at which the split nut is re-engaged.
- This embodiment may also include means for rotating the shaft whereby when the threaded structure is engaged with the shaft and the vacuum grip is coupled to the sheet, rotation of the shaft will raise or lower the sheet relative to the ground to thereby permit relatively fine adjustment in ⁇ the height of the sheet to - facilitate placement.
- the grip is secured in a selected position by a pin inserted through the body of the grip to engage in a selected one of a series of holes spaced lengthwise in the shaft.
- the grip is held in a selected position along the shaft by means, such as a winch cable or gas spring, which permits controlled lowering of the grip.
- the trolley may include a gas spring which supports the shaft from the wheel or wheels to permit controlled lowering of the sheet carried by the trolley.
- a system for handling relatively large sheets will involve the use of at least two trolleys as defined above.
- each trolley it is preferred for each trolley to have tandem mounted ground-engaging wheels at the lower end of the main supporting shaft, the wheels being mounted with a caster action and being spaced in a fore-aft direction to provide a stable support not liable to tip.
- the trolley may have wheels spaced in a direction lengthwise of the sheet so that use of a single trolley with smaller sheets will itself provide stable support.
- Figure 1 is a schematic view showing a sheet handling system involving the use of two wheeled trolleys in accordance with one embodiment of the invention
- Figure 2 shows schematically a detail "A" of the trolleys of Figure 1 to show a vacuum grip and its relationship with a main support shaft;
- Figure 3 is a fragmentary view showing an actuating handle and associated structure of a ratchet system for rotating the main support shaft;
- Figure 4 is an exploded view corresponding to Figure 3 ; and - - Figure 5 is a side view showing an alternative embodiment of the invention.
- Figure 1 of the drawings shows a glass handling system in accordance with one embodiment of the invention.
- the handling system comprises two wheeled trolleys 2 to which a sheet 4 of glass is attached so that the sheet can easily be transported and manually manoeuvred. Effectively therefore the sheet 4 can be wheeled along the ground without causing undue strain to the personnel concerned.
- Each of the trolleys 2 is identical and the construction of the trolley will now be described.
- the trolley 2 consists of a single support shaft 6 which is upright during use.
- the lower end of the shaft 6 carries a single wheel 8 which is preferably supported from the shaft with a caster action.
- the trolley 2 can have more than one wheel at the lower end of the support shaft 6, for example two wheels arranged side by side or in tandem.
- the support shaft 6 carries two vacuum grips 10 at upper and lower positions along its length to permit secure, but releasable, attachment to the sheet 4. It is to be noted that although the embodiment illustrated has the two vacuum grips 10, the invention is not restricted to the use of two grips; depending on particular requirements, the trolley may be designed with only a single vacuum grip or more than two vacuum grips.
- the basic construction and operation of the vacuum grip 10 including a vacuum pump 12 with a vacuum release facility is preferably as disclosed in US patent 3,240,525 to which reference may.be made particularly-for an understanding of preferred aspects of the design of a gripping pad 14 and associated structure.
- the vacuum grip 10 used in this embodiment of the invention differs from that shown in the US patent principally in the design of its main body by which it is attached to the support shaft 6 and that will now be described in detail.
- the main body 15 of the grip 10 and to which the vacuum gripping pad 14 and associated structure is attached is of block-like form having a vertical passage through which the shaft 6 extends.
- the shaft 6 is externally threaded and the body 15 houses a split nut (not shown) having two halves which are normally engaged with the thread of the shaft.
- the shaft 6 is threaded over substantially its entire length, although in these drawings which are only schematic drawings the thread is for clarity of illustration only indicated on part of the shaft.
- the body 15 carries a release system which operates under spring bias to maintain the two halves of the split nut in engagement with the thread of the shaft 6.
- the release system is manually actuable to move the two halves of the nut apart out of engagement with the thread, and in this disengaged position the vacuum grip 10 is able to be quickly displaced along the shaft into a selected position for use, whereon the vacuum grip 10 can be retained in that position by re-engagement of the two halves of the split nut with the thread.
- release of the half nuts is effected by depressing a button 16 incorporated in a side wall of the main body 15.
- the main body 15 also includes an outer handle 18 by which the vacuum grip 10 can be held for displacement along the shaft 6.
- the release button 16 is aligned with the axis of the handle 18 and is at one end thereof so that the handle 18 may be gripped with one hand with the thumb of that hand depressing the release button 16 to permit the movement of the vacuum grip 10 along the shaft 6.
- the system just describes a quick-action coarse adjustment of the position of the vacuum grip 10 along the shaft 6 to suit a particular application and, for many applications, this type of adjustment will be adequate so that the trolley can readily be adjusted to suit the size of glass, sheet being handled and also the height at which the glass sheet is held above the ground.
- a further, fine, adjustment system is provided for applications such as shop fitting when it is necessary for the grass sheet to be manoeuvred into substantially precise alignment with a frame for fitting into the frame.
- this fine adjustment is provided by rotating the shaft 6 while the vacuum grips 10 are attached to the sheet with their split nuts engaged with the thread of the shaft 6 whereby rotation of the shaft 6 in a selected direction will cause the vacuum grips 10 associated with the shaft 6 and hence the sheet carried thereby, to move upwardly or downwardly.
- two trolleys 2 are used to carry the sheet of glass
- the sheet of glass can be accurately- positioned at a height such that it can be "pushed" on the trolleys 2 into the support frame in exact alignment with the opening of the frame.
- Rotation of the shaft 6 to effect this fine adjustment can be effected in any suitable way, for example using a handle linked to the shaft via a suitable gear system.
- the shaft 6 is formed with a pinion gear 20 driven by reciprocating movement of a handle 22 via a reversible pawl 24 so that by appropriate setting of the pawl 24 the pinion gear 20 is driven by a ratchet action in a selected direction by operation of the handle 22, and thus the shaft 6 can be driven in a direction either to raise or lower the position of the vacuum grips 10, as required.
- a lever for setting the driving direction of the pawl 24 is shown at 26.
- the ratchet handle 42 projects substantially horizontally to facilitate easy access.
- the shaft 6 can be rotated via a bevel-gear system using a handle located at the front of the trolley (ie the side remote from the glass) with the handle being rotatable in either direction in order to raise and lower the vacuum grips 10.
- the vacuum grips 10 are slidable along the shaft 6 and each vacuum grip 10 is securable in a selected position along the shaft 6 by insertion of a pin through an aperture in the body 15 of the vacuum grip to engage in a selected one of a series of vertically spaced holes or other apertures formed in the upper and lower parts of the shaft 6.
- Figure 5 in which the holes in the shaft are shown at 30.
- the adjustment in this embodiment will thereby be in discrete steps along the shaft 6 and although it does not permit the fine degree of height adjustment enabled by the first embodiment, nevertheless for some applications this relatively coarse stepwise adjustment will be quite sufficient particularly in situations where the trolley is not used to accurately position the sheet carried by the trolley.
- the body 15 can be of simpler form than that shown in Figure 2 as it does not need to house internal mechanism. All that is necessary is that the body provides a sliding support for the vacuum grip 10 on the shaft 6.
- the body comprises upper and lower tubular portions or bands 15a which receive the shaft 6 and which are apertured to receive the pin for engagement in the selected hole 30.
- the body may be associated with any other suitable form of locking system to lock the vacuum grip against downwards movement from its selected position on the shaft.
- the shaft 6 is inclined rearwardly to the vertical and is attached to a rearwardly extending support arm 32 having a caster wheel at its lower end so that the shaft 6 is supported by two caster wheels arranged in tandem in a fore-aft direction, that is a direction transverse to the plane of the sheet.
- the rearwards inclination of the shaft 6 ensures that the centre of gravity of the trolley with the sheet attached thereto will lie between the wheels to provide a stable support whereby the trolley with the sheet attached thereto will not tend to tip in a fore-act direction.
- the shaft 6- may be of two-part telescopic construction to permit easy adjustment of the effective length of the shaft.
- the two parts of the shaft can be held in their selected extension by a pin extending between aligned holes 30 in the two parts of the shaft.
- the shaft 6 preferably carries a support foot 36 at its lower end and which is able to carry the weight of the sheet in the event of failure of the vacuum grips to properly hold the sheet.
- the support foot 36 is lockable in an adjustable position in the lower part of the shaft 6.
- the body of each of the grips 10 is mounted for sliding movement along the shaft.
- One of the two grips preferably the lower of the two grips, is attached to a cable of a winch carried by the trolley with the winch cable passing from the grip upwardly along the shaft over a pulley at the upper end of the shaft so that operation of the winch will serve to raise or lower that grip and the sheet carried thereby upwardly or downwardly along the shaft.
- the other vacuum grip by virtue of its vacuum attachment to the sheet will be moved simultaneously with the first vacuum grip.
- This arrangement can be used not only to accurately position the sheet for placement, such as placement of a large glass sheet into a frame, but also it permits lowering of the sheet onto the ground.
- one of the two vacuum grips slidably mounted on the shaft is carried by a gas spring or similar which is also slidably mounted on the shaft by a mounting sleeve which is able to be locked in a selected position, for example by engagement of a pin ⁇ nto. selected one of the series of holes 30 spaced along the shaft.
- the gas spring can be actuated to permit controlled lowering of the associated grip and the sheet carried thereby to the ground under the weight of the sheet.
- the gas spring can then be actuated to return the lower grip to a selected raised position under the force of the spring.
- the lower end of the shaft is connected to the wheel or wheels 8 via a gas spring or similar which can be actuated to permit controlled lowering of the shaft and sheet carried thereby to the ground under the weight of the sheet.
- the gas spring can-then be actuated to return the shaft to a selected raised position under the force - of the spring.
- a trolley particularly of free form described with reference to Figure 5 may be built for a specific usage, for example in a factory environment or similar, having sheets of predetermined size in which case it may not be necessary to incorporate a facility for adjusting the position of the vacuum grips along the shaft.
- the trolley 2 of the described embodiments is specifically designed for use with at least one other trolley to jointly carry a sheet in the manner illustrated in Figure 1 and trolleys of this form are suitable for use with a wide range of sizes of sheet.
- a trolley having applicability just to smaller sizes of sheet can be of similar construction to that just described but with the lower end of the shaft 6 coupled to a chassis or beam carrying two or more wheels spaced along the length direction of the sheet to provide a stable longitudinal support for the sheet when the trolley is positioned approximately midway along the length of the sheet.
- the chassis/beam also carries one or more further wheels lying rearwardly of the plane of the sheet (in the manner shown in Figure 5) to provide stable support laterally of the sheet.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Handcart (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003236595A AU2003236595A1 (en) | 2002-07-09 | 2003-07-09 | Glass handling systems |
US10/563,718 US20070063471A1 (en) | 2003-07-09 | 2003-07-09 | Glass handling systems |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002950051A AU2002950051A0 (en) | 2002-07-09 | 2002-07-09 | Glass handling system |
AU2002950051 | 2002-07-09 | ||
AU2002952802A AU2002952802A0 (en) | 2002-11-21 | 2002-11-21 | Glass handling systems |
AU2002952802 | 2002-11-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004005106A1 true WO2004005106A1 (en) | 2004-01-15 |
Family
ID=30116379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU2003/000882 WO2004005106A1 (en) | 2002-07-09 | 2003-07-09 | Glass handling systems |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2004005106A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005105541A1 (en) * | 2004-05-05 | 2005-11-10 | Quantum Workhealth Programmes Pty Ltd | Glass handling systems |
AT501909B1 (en) * | 2005-03-23 | 2006-12-15 | Herwig Duernberger | DEVICE FOR TRANSPORTING FLOOR GOODS |
EP2871111A2 (en) | 2013-11-07 | 2015-05-13 | Uplifter GmbH & Co.KG | Holding, fixing and/or handling device for flat workpieces such as glass panels |
CN106476870A (en) * | 2015-08-24 | 2017-03-08 | 鑫诺电梯有限公司 | A kind of staircase skirting board waggon |
CN109109948A (en) * | 2018-07-19 | 2019-01-01 | 芜湖籁余新能源科技有限公司 | A kind of glass transportation device |
DE102019104928A1 (en) * | 2019-02-27 | 2020-08-27 | Gerd Schulz | Assembly device |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2585655A1 (en) * | 1985-08-01 | 1987-02-06 | Pressabois Pressafer Cie Sa | Safety handling trolley for panels |
GB2360504A (en) * | 2000-02-18 | 2001-09-26 | Douglas Hart | Manually operated suction lifting tool |
US20010052708A1 (en) * | 1999-12-09 | 2001-12-20 | Kurt Schmalz | Vacuum grip system for gripping an object, and handling apparatus for handling an object using a vacuum grip system |
-
2003
- 2003-07-09 WO PCT/AU2003/000882 patent/WO2004005106A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2585655A1 (en) * | 1985-08-01 | 1987-02-06 | Pressabois Pressafer Cie Sa | Safety handling trolley for panels |
US20010052708A1 (en) * | 1999-12-09 | 2001-12-20 | Kurt Schmalz | Vacuum grip system for gripping an object, and handling apparatus for handling an object using a vacuum grip system |
GB2360504A (en) * | 2000-02-18 | 2001-09-26 | Douglas Hart | Manually operated suction lifting tool |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005105541A1 (en) * | 2004-05-05 | 2005-11-10 | Quantum Workhealth Programmes Pty Ltd | Glass handling systems |
EP1742824A1 (en) * | 2004-05-05 | 2007-01-17 | Quantum Workhealth Programmes Pty Ltd | Glass handling systems |
US7997845B2 (en) | 2004-05-05 | 2011-08-16 | Quantum Workhealth Programmes Pty, Ltd. | Glass handling systems |
EP1742824A4 (en) * | 2004-05-05 | 2012-09-19 | Quantum Workhealth Programmes Pty Ltd | Glass handling systems |
AT501909B1 (en) * | 2005-03-23 | 2006-12-15 | Herwig Duernberger | DEVICE FOR TRANSPORTING FLOOR GOODS |
AT502476B1 (en) * | 2005-03-23 | 2007-04-15 | Herwig Duernberger | Device for transporting flat goods has two legs joined to form L-shaped frame, wheel rotationally mounted on both sides of frame plane on axis approximately normal to plane near junction between legs |
EP2871111A2 (en) | 2013-11-07 | 2015-05-13 | Uplifter GmbH & Co.KG | Holding, fixing and/or handling device for flat workpieces such as glass panels |
CN106476870A (en) * | 2015-08-24 | 2017-03-08 | 鑫诺电梯有限公司 | A kind of staircase skirting board waggon |
CN109109948A (en) * | 2018-07-19 | 2019-01-01 | 芜湖籁余新能源科技有限公司 | A kind of glass transportation device |
DE102019104928A1 (en) * | 2019-02-27 | 2020-08-27 | Gerd Schulz | Assembly device |
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