US3687274A - Belt take-up apparatus - Google Patents
Belt take-up apparatus Download PDFInfo
- Publication number
- US3687274A US3687274A US111969A US3687274DA US3687274A US 3687274 A US3687274 A US 3687274A US 111969 A US111969 A US 111969A US 3687274D A US3687274D A US 3687274DA US 3687274 A US3687274 A US 3687274A
- Authority
- US
- United States
- Prior art keywords
- roller
- shaft
- rack unit
- frame
- rollers
- 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
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/04—Annealing glass products in a continuous way
- C03B25/06—Annealing glass products in a continuous way with horizontal displacement of the glass products
-
- 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
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18088—Rack and pinion type
- Y10T74/18096—Shifting rack
Definitions
- BELT TAKE-UP APPARATUS Inventors: Willard Clark, Familand; Charles Campbell, Muncie, both of lnd.
- This invention relates to a belt take-up apparatus particularly useful in connection with metallic mesh belts utilized in connection with heat treating apparatus.
- a typical heat-treating apparatus with which the present invention may be utilized is a lehr for heat treating newly manufactured glassware. In such a lehr, the belt will have a length of several hundred feet and a width of approximately 6 feet.
- the glassware is supported by the upper run of the belt during the annealing and cooling stages.
- the belt take-up apparatus of the present invention is coupled to the lower run of the belt.
- a separate drive means is provided in the lehr for driving the belt.
- the apparatus of the present invention is structurally interrelated in a manner whereby maximum adjustment of belt tension is attained with minimum movement of the rollers around which the lower run of the belt extends.
- the lower run of the belt extends around upper and lower spaced rollers.
- Each roller has a horizontally disposed rack unit coupled thereto.
- a pinion on a shaft is meshed with each of the rack units.
- the shaft is rotated by power cylinder means or a weight-pulley means, the upper and lower rollers move away from each other. Since the upper and lower rollers are moved away from each other, the slack taken up will be twice thatwhich could be taken up in the same amount of space by using a single roller.
- each of the rollers and rack units is mounted on rollers which ride in a track.
- the uack is preferably defined by spaced rails on opposite sides of a frame.
- the frame is structurally interrelated in a manner whereby the entire apparatus may be assembled and installed as a module or integrated unit in a lehr. In this manner, the frame provides versatility in that it may be installed in various places along the lehr.
- FIG. 1 is a side elevation view of the apparatus of the present invention.
- FIG. 2 is a sectional view taken along the line 2-2 in FIG. 1.
- FIG. 3 is a top plan view of the apparatus shown in FIG. 1.
- FIG. 4 is a sectional view taken along the line 44 in FIG. 1.
- FIG. 1 a belt take-up apparatus designated generally as 10.
- the apparatus 10 includes a frame adapted to be inserted in a heat treating apparatus of modular construction.
- the frame includes longitudinally extending side channels 12 and 14.
- One end of the side channels 12 and 14 is supported by a beam 16.
- the ends of the beam 16 are supported by vertical posts 18 and 20.
- the other end of the side channels 12 and 14 is supported by a beam 22 which in turn is supported by posts 24 and 26.
- the apparatus 10 is adapted to take up slack in an endless flexible metallic belt having an upper run 28 and a lower run 30.
- the apparatus 10 is effected to take up the slack in the lower run 30.
- the apparatus 10 is constructed so as to facilitate the belt upper run 28 passing between the side channels 12 and 14 without interfering with glassware supported thereon.
- the longitudinally extending side portions of the apparatus 10 are identical. Accordingly, only one side portion will be described in detail with corresponding primed numerals being provided on corresponding structure on the opposite side of the frame.
- Bracket 38 is supported by post 18.
- Bracket 40 is supported by post 24.
- the top guide rail 32 is spaced from the middle guide rail 34 so as to define a track having a gap 42.
- the middle guide rail 34 is spaced from the bottom guide rail 36 so as to define a track having a gap 44.
- the purpose of the gaps 42 and 44 will be made clear hereinafter.
- a plate 46 extends vertically across the guide rails 32-36 and is removably secured thereto by bolts or the like.
- An upper roller 40 is provided with a shaft terminating in a wheel 50.
- Wheel 50 is rotatably supported by the track within the gap 42.
- a similar wheel 52 is provided on the shaft on the other end of roller 48. Wheel 52 is rollingly supported in a gap corresponding to the gap 42 on the opposite side of the apparatus.
- the upper rack unit is connected to the upper roller 48.
- the upper rack unit includes upper racks 54 and 56 rotatably coupled to the shaft supporting roller 48 at opposite ends thereof.
- the racks 54 and 56 extend to the right in FIG. 1 from the roller 48.
- the stabilizer struts 58 and 59 extend across the racks 54 and 56.
- the end of the racks 54 and 56 remote from the roller 48 is provided with wheels 60 which are rollingly supported in the gap 42.
- the racks 54 and 56 are at an elevation below the shaft supporting roller 48.
- the racks 54 and 56 are rotatably coupled to the shaft supporting roller 48 by means of collars 62 and 64 which are bolted to the racks and extend around the shaft supporting roller 48.
- a lower roller 66 is supported below the elevation of the racks 54 and 56 and on the opposite side of the plate 46 from the upper roller 48. See FIG. 1.
- the shaft supporting roller 66 terminates in wheels 68 and 70.
- Wheel 68 is rollingly supported in the gap 44 to the right of the plate 46. See FIG. 1.
- Wheel 70 is similarly supported on the opposite side of the apparatus 10.
- the rack unit for roller 48 extends to the right in FIG. 1.
- the lower roller 66 is provided with a similar rack unit which extends to the left in FIG. 1.
- the lower rack unit includes racks 72 and 74 having one end rotatably coupled to the shaft supporting roller 66 by means of collars comparable to collar 62.
- the ends of the racks 72 and 74 are coupled together by stabilizer struts 76 and 78.
- the teeth on the racks S4 and 56 are on their lower surface.
- the teeth on racks 72 and 74 are on their upper surface.
- the end of the racks 72 and 74 remote from the lower roller 66 is rotatably supported by wheels 80 mounted in the gap 44, but to the left of the plate 46 in FIG. 1.
- a shaft 82 extends across the apparatus transversely thereof.
- the ends of the shaft 82 are rotatably supported in suitable bearings and journals mounted on the plate 46.
- a pinion 84 on shaft 82 is meshed with the teeth on the racks 54 and 72.
- a similar pinion on the other side of the apparatus 10 is in meshing engagement with the teeth on the racks 64 and 74.
- the shaft 82 is of sufficient length so as to extend beyond the plate 46.
- a pulley 86 is removably secured to the extension of shaft 82.
- a flexible member such as cable 88 extends around the pulley 86 and has one end connected thereto.
- the cable 86 extends from pulley 86, around idler pulley 90 and then upwardly around pulley 92.
- Pulley 92 is rotatably supported by a header 95 at the upper end of a post 94.
- the cable 88 extends downwardly to a support rod 96 terminating at its lower end in a plate.
- a plurality of removable weights 98 are mounted on the plates surrounding the rod 96.
- the weights are U-shaped in plan view as will be apparent from FIG. 3.
- the weights 98 constitute a means for selectively and variably rotating the shaft 82 to cause the rollers 48 and 66 to move toward and away from a vertical plane containing shaft 82. While the preferred embodiment is to use a mechanical biasing means such as weights 98, it would be possible to utilize a pressure cylinder to selectively rotate shaft 82.
- the posts 94 and 94 may be interconnected with a brace 97, if desired. The lower end of the posts 94 and 94' are bolted to a reinforcing plate welded to the side channels 12 and 14.
- the apparatus 10 is utilized as follows.
- the belt having upper run 28 and lower run is an open mesh metallic belt which may have a width of six feet and a length of several hundred feet.
- the lower run 30 of the belt is extended around the rollers 48 and 66 as shown in FIG. 1. With a belt of this size, the weights 98 and 98 will each total about 250 to 300 pounds. This will initially stretch the belt to take up any slack with the rollers 48 and 66 moving several inches away from each other. As the belt is heated, additional slack will automatically be taken up by the rollers 48 and 66 moving away from each other under the weight bias applied to shaft 82.
- the weight bias applied to shaft 82 rotates the pinions 84 thereon.
- Each of the pinions 84 is in meshing engagement with the teeth on the rack units, thereby causing the rack units to move toward and away from a vertical plane containing the shaft 82.
- the rollers 48 and 66 move away from each other, thereby taking up slack in the belt.
- Belt take-up apparatus comprising a frame, an upper roller, an upper rack unit connected to the end portions of said roller, said rack unit having teeth on its lower surface, means mounting said rack unit and roller on the frame for reciprocating movement in a horizontal direction, a lower roller below said upper roller, a lower rack unit connected to the end portions of said lower roller, said lower rack unit having teeth on its upper surface, means mounting said lower rack unit and said lower roller for reciprocating movement in a horizontal direction below the plane of said upper rack unit, a shaft supported by said frame between and parallel to said rollers, a pinion on said shaft meshed with each of said rack units, and means connected to said shaft for applying a variable rotary bias on said shaft to cause said rollers to move toward or away from a vertical plane containing said shaft for adjusting the tension of a belt adapted to extend around said rollers.
- said means connected to said shaft includes a pulley on said shaft, a flexible member having one end connected to said pulley, a second pulley at a higher elevation than said first-mentioned pulley, said flexible member extending around said second pulley, and adjustable weights connected to the other end of said flexible member.
- Apparatus in accordance with claim 1 including a pair of tracks disposed one above the other, the upper track receiving wheels on said upper roller and upper rack unit, the lower track receiving wheels on said lower roller and lower rack unit, and a plate extending across said tracks, said shaft being supported by said plate.
- Belt take-up apparatus comprising a frame, an upper roller, an upper rack unit rotatably connected to the end portions of said roller, said rack unit having teeth on its lower surface, track means on opposite sides of said frame for mounting said rack unit and roller for reciprocatory movement in a horizontal direction, a lower roller having an axis parallel to said upper roller, said lower roller being below a portion of said upper rack, the lower rack unit rotatably connected to the end portions of said lower roller, said lower rack unit having teeth on its upper surface, said lower rack unit being below the axis of said upper roller, track means on opposite side of said frame and mounting said lower roller and lower track unit for reciprocating movement in a horizontal direction, a shaft supported by said frame between the axes of said rollers and parallel to the axes of said rollers, a pair of pinions on said shaft, each pinion being meshed with teeth on each of said rack units, and means connected to each end of said shaft for applying a variable rotary bias on said shaft to cause said rollers to move toward and away from a vertical
- each of said'rack units includes a pair of parallel racks interconnected at their ends by stabilizing struts.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11196971A | 1971-02-02 | 1971-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3687274A true US3687274A (en) | 1972-08-29 |
Family
ID=22341418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US111969A Expired - Lifetime US3687274A (en) | 1971-02-02 | 1971-02-02 | Belt take-up apparatus |
Country Status (2)
Country | Link |
---|---|
US (1) | US3687274A (en) |
BE (1) | BE786096A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189047A (en) * | 1977-10-12 | 1980-02-19 | Alto Corporation | Endless conveyor |
US5534114A (en) * | 1992-03-06 | 1996-07-09 | Philip Morris Incorporated | Method and apparatus for applying a material to a web |
US5632372A (en) * | 1995-12-21 | 1997-05-27 | Riverwood International Corporation | Conveyor tensioning assembly |
US5997691A (en) * | 1996-07-09 | 1999-12-07 | Philip Morris Incorporated | Method and apparatus for applying a material to a web |
US6394261B1 (en) | 2000-08-03 | 2002-05-28 | Tarpaulin.Com, Inc. | Variable counterweighted take-up assembly for endless conveyor and endless conveyor system having such variable counterweighted take-up assembly and method of controlling same |
US6523677B1 (en) | 2000-11-15 | 2003-02-25 | Tarpaulin.Com, Inc. | Low tension dual helical conveyor system |
US20090277466A1 (en) * | 2007-12-31 | 2009-11-12 | Philip Morris Usa Inc. | Method and apparatus for making slit-banded wrapper using moving orifices |
US20110108042A1 (en) * | 2009-11-10 | 2011-05-12 | Philip Morris Usa Inc. | Registered banded cigarette paper, cigarettes, and method of manufacture |
CN111703808A (en) * | 2020-05-28 | 2020-09-25 | 付安英 | Automatic conveying device for preventing inflammable matters from being accumulated |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1992046A (en) * | 1933-03-02 | 1935-02-19 | Wesley P Shomaker | Adjustable support for endless conveyers |
US2431217A (en) * | 1945-10-25 | 1947-11-18 | Gen Aniline & Film Corp | Film holder |
-
1971
- 1971-02-02 US US111969A patent/US3687274A/en not_active Expired - Lifetime
-
1972
- 1972-07-10 BE BE786096A patent/BE786096A/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1992046A (en) * | 1933-03-02 | 1935-02-19 | Wesley P Shomaker | Adjustable support for endless conveyers |
US2431217A (en) * | 1945-10-25 | 1947-11-18 | Gen Aniline & Film Corp | Film holder |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4189047A (en) * | 1977-10-12 | 1980-02-19 | Alto Corporation | Endless conveyor |
US5534114A (en) * | 1992-03-06 | 1996-07-09 | Philip Morris Incorporated | Method and apparatus for applying a material to a web |
US5632372A (en) * | 1995-12-21 | 1997-05-27 | Riverwood International Corporation | Conveyor tensioning assembly |
WO1997023395A1 (en) * | 1995-12-21 | 1997-07-03 | Riverwood International Corporation | Conveyor tensioning assembly |
AU700674B2 (en) * | 1995-12-21 | 1999-01-14 | Riverwood International Corporation | Conveyor tensioning assembly |
US5997691A (en) * | 1996-07-09 | 1999-12-07 | Philip Morris Incorporated | Method and apparatus for applying a material to a web |
US6394261B1 (en) | 2000-08-03 | 2002-05-28 | Tarpaulin.Com, Inc. | Variable counterweighted take-up assembly for endless conveyor and endless conveyor system having such variable counterweighted take-up assembly and method of controlling same |
US6523677B1 (en) | 2000-11-15 | 2003-02-25 | Tarpaulin.Com, Inc. | Low tension dual helical conveyor system |
US20090277466A1 (en) * | 2007-12-31 | 2009-11-12 | Philip Morris Usa Inc. | Method and apparatus for making slit-banded wrapper using moving orifices |
US8337664B2 (en) | 2007-12-31 | 2012-12-25 | Philip Morris Usa Inc. | Method and apparatus for making slit-banded wrapper using moving orifices |
US9670618B2 (en) | 2007-12-31 | 2017-06-06 | Philip Morris Usa Inc. | Method and apparatus for making slit-banded wrapper using moving orifices |
US20110108042A1 (en) * | 2009-11-10 | 2011-05-12 | Philip Morris Usa Inc. | Registered banded cigarette paper, cigarettes, and method of manufacture |
CN111703808A (en) * | 2020-05-28 | 2020-09-25 | 付安英 | Automatic conveying device for preventing inflammable matters from being accumulated |
Also Published As
Publication number | Publication date |
---|---|
BE786096A (en) | 1972-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: CITICORP INDUSTRIAL CREDIT, INC., BOND COURT BUILD Free format text: SECURITY INTEREST;ASSIGNOR:MAUL TECHNOLOGY CORPORATION;REEL/FRAME:003960/0788 Effective date: 19811218 |
|
AS | Assignment |
Owner name: CITICORP INDUSTRIAL CREDIT, INC., BOND COURT BUILD Free format text: SECURITY INTEREST;ASSIGNOR:LGM CORPORATION, A CORP OF IN.;REEL/FRAME:004514/0436 Effective date: 19860212 Owner name: LGM CORPORATION, 9000 PRECISION DRIVE, INDIANAPOLI Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:IGW SYSTEMS INC.;REEL/FRAME:004541/0512 Effective date: 19811218 |
|
AS | Assignment |
Owner name: MAUL TECHNOLOGY CO., A COMPANY OF DELAWARE Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:L G M CORPORATION, A CORP OF IND.;REEL/FRAME:004518/0001 Effective date: 19860221 |
|
AS | Assignment |
Owner name: CITICORP INDUSTRIAL CREDIT, INC., BOND COURT BUILD Free format text: SECURITY INTEREST;ASSIGNOR:MAUL TECHNOLOGY, INC., A CORP OF DE.;REEL/FRAME:004518/0169 Effective date: 19860221 |
|
AS | Assignment |
Owner name: MAUL TECHNOLOGY CO., Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:CITICORP NORTH AMERICA, INC.;REEL/FRAME:004919/0237 Effective date: 19880624 |