US3157272A - Clip unit for holding removable and replaceable idler rollers in a mounting stand - Google Patents
Clip unit for holding removable and replaceable idler rollers in a mounting stand Download PDFInfo
- Publication number
- US3157272A US3157272A US106900A US10690061A US3157272A US 3157272 A US3157272 A US 3157272A US 106900 A US106900 A US 106900A US 10690061 A US10690061 A US 10690061A US 3157272 A US3157272 A US 3157272A
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- US
- United States
- Prior art keywords
- shaft
- clip
- roller
- bracket
- notch
- 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
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Classifications
-
- 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
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/02—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements
- B65G21/06—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements constructed to facilitate rapid assembly or dismantling
-
- 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
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/34—Combined diverse multipart fasteners
- Y10T24/3484—Hook
- Y10T24/3485—Hook and hook
Definitions
- This invention relates to a clip unit for holding removable and replaceable idler rollers in a mounting stand.
- conveyers which include idler rollers that are mounted on supporting stands incorporated in suitable conveyer systems. It is desirable in systems of this type to have the idler rollers mounted in such a manner that they can be removed and replaced easily as the occasion demands by the use of simple tools and with a minimum of labor and effort. Therefore, there is a need for a simple and inexpensive structure which will ordinarily effectively hold the idler roller in position on the stand for proper operation but which will permit ready removal when it is desired to remove and replace the roller because of wear or other'factors.
- the present invention provides a very simple and inexpensive clip and cooperating roller supporting stand unit which will eifectively retain the roller in position for normal operation but which will provide for removal and replacement thereof in a simple and expeditious manner.
- FIGURE 1 is a side elevational view of a roller supporting stand in which this invention is embodied.
- FIGURE 2 is a plan view, partly broken away, of the stand of FIGURE 1.
- FIGURE 3 is a view partly in elevation and partly in section of a roller and an associated stand support illustrating this invention.
- FIGURE 4 is an end view of the structure illustrated in FIGURE 3.
- FIGURE 5 is a detail of the structure of FIGURE 4 taken at right angles thereto.
- FIGURE 6 is a plan view of the clip of this invention.
- this invention is shown incorporated in an idler-supporting conveyer stand it of a suitable type although it is to be understood that this stand is shown for illustrative purposes only and that this invention is not limited to the specific form of stand shown.
- the stand 10 is shown as supporting a central horizontally disposed roller 11 and the outer inwardly inclined rollers 12. Each of these rollers is an idler roller.
- the stand It comprises a horizontal base 13 which may be attached to a suitable support (not shown) by means of the fasteners 14 of any suitable type at the opposed outer ends thereof.
- the central roller 11 is shown as being supported by two identical upstanding cradle brackets 15 whereas each of the outer rollers 12 is shown as being supported by the upstanding inner cradle bracket 15a and the upstanding outer bracket 15b.
- the brackets 15b and 15a lean inwardly to support the roller 12 with its axis at an angle from the horizontal as indicated in FIGURE 1.
- Each of the outer brackets 15b is provided with an open ing 16 into which the outer extended end 17 of the shaft of the roller 12 is slipped.
- the cradle brackets 15 and l5a'are are substantially identical with the exception that the brackets 15a is angled inwardly slightly, as indicated in FIGURES 1 and 2. Therefore, the cradle bracket 15 will be the only one described in detail and this bracket is illustrated best in FIGURES 3, 4 and 5.
- Each of the cradle brackets 15 is formed of a flat upstanding plate portion which has an upwardly opening notch 29 for receiving and cradling the extended end 21 of the shaft or axle of the roller 11.
- the notch 20 preferably has straight upstanding sides 22 and a curved inner or bottom end 23.
- the roller shaft extension 21 is preferably of angular form so that when it is slipped into a cradling notch 20 it will not rotate therein, due to the fact that the straight sides 22 will embrace adjacent flat sides of the shaft extension 21.
- the shaft is preferably hexagonal so that when it is positioned in the cradling notch 29, the vertex of the angle at the rib between the two upper sides thereof points upwardly as indicated at 24.
- the shaft extension 21 maybe provided with a groove 21;: to cooperate with the bracket to prevent axial move' ment of the shaft extension in the notch 20.
- a simple spring clip 25 is provided for holding each of the shaft extensions 21 in its cradling bracket 15, a simple spring clip 25 is provided and this spring clip 25 is indicated in FIGURE 6. It is preferably made of spring steel formed into the configuration shown in FIGURE 6, all portions of which lie in a single fiat plane.
- This clip configuration provides a clip with an intermediate spring portion comprising main spring arms 26 which are angularly disposed with the outwardly directed angle 27 formed therebetween.
- a sharply bent inward leg 2% is provided on each arm 2-5 and each leg 28 has a terminal retaining shoulder 22 formed therein.
- the spring clip 25 is of substantially U-forrn in a fiat plane with an outward bend or angle at the midpoint of the closed part of the U and with terminal retaining shoulders 29 at the outer ends of the U.
- a pair of openings or apertures 39 is provided for receiving the legs 2t; of the U-shaped clip 25. These openings or apertures 39 are spaced laterally outwardly of the corresponding straight sides 22 of the notch fill and slightly below the upper end of the notch or upper edge of the bracket 15. After the shaft extension 21 is positioned in the notch, as indicated in FIGURES 3, 4 and 5, the legs 28 of the clip 25 are inserted inwardly through the openings or apertures 3d.
- the openings or apertures 3t) are sufficiently large to permit passage of the terminal retaining shoulders 29 of the spring clip, it being necessary to spring the legs 28 inwardly toward each-other, by yieldably deforming the intermediate portion of the spring clip 25, to permit insertion of the legs 23 in the openings or aperture 39.
- the legs 28 of the clip 25 will spring outwardly so that the terminal retaining shoulders 29 will engage the opposite side of the bracket 15 at its inner surface to retain the clip 25 in position as shown in FIGURE 3.
- the shaft extension can he slipped easily into the cradling notch 24) adapted to receive it. As pointed out above, these notches it) may be provided at one or both ends of the roller.
- the spring clip 25 can then be inserted quickly and with ease and without special tools into the receiving and retaining openings 30. Thereafter, the spring s aman will merely increase the holding effect of the clip.
- spring clip 25 can be removed easily by pulling it out of the opening or apertures 30 with a screwdriver, pliers, or
- FIGURE 3 An antifriction bearing arran ement for this purpose is shown in FIGURE 3.
- This bearing arrangement is shown as comprising a roller bearing 31 of any suitable type but the details of this bearing will not be described since they are not important to this invention.
- Any suitable bearing structure may be provided for rotatably mounting the roller on its associated shaft.
- this invention provides a simple clip and associated cradling bracket structure for removably retaining the shaft of an idler roller in position. Many advantages of this unit have been discussed above and others will be apparent.
- a bracket for supporting the roller, said bracket having a notch in which the shaft is received, the roller being disposed at one side of the bracket, and the shaft extending from the roller through the notch to the opposite side of the bracket to provide an exposed end of the shaft at the opposite side of the bracket, an aperture in the bracket at each side of the notch, a spring clip for retaining the shaft in the bracket notch, said spring clip being a planar element that is symmetrically formed in a single plane about a line which is in alignment with the shaft axis when the spring clip is engaged with the shaft, said planar spring clip including an intermediate spring portion extending across the exposed end of the shaft and in engagement therewith to retain the shaft in the bracket notch, said intermediate spring portion of the spring clip having oppositely directed main spring arms extending to opposite sides of the shaft from a junction of said arms at the line of symmetry of the spring clip, each main spring arm including a leg extending through the apertures from said opposite side of the
Description
NOV. 17, J. BAY CLIP UNIT FOR HOLDING REMOVABLE AND REPLACEABLE IDLE-R ROLLERS IN A MOUNTING STAND Filed May 1, 1961 INVENTOR;
g JAMES HTT Y United States Patent 3,157,272 CLEP UNIT FOR HQLDlNG REMGVABLE AND REPLACEABLE EDLER RGLLERS ILN A IVIOUNT- ENG STAND a James Bay, Springfield, Glue, assignor, by mesne assignments, to .l'etfrey Gallon Manufacturing Company, a corporation of @hio Filed May 1, 1961, Ser. No. 196,990 1 Claim. (Cl. 198-192) This invention relates to a clip unit for holding removable and replaceable idler rollers in a mounting stand.
More specifically, it relates to conveyers which include idler rollers that are mounted on supporting stands incorporated in suitable conveyer systems. It is desirable in systems of this type to have the idler rollers mounted in such a manner that they can be removed and replaced easily as the occasion demands by the use of simple tools and with a minimum of labor and effort. Therefore, there is a need for a simple and inexpensive structure which will ordinarily effectively hold the idler roller in position on the stand for proper operation but which will permit ready removal when it is desired to remove and replace the roller because of wear or other'factors.
The present invention provides a very simple and inexpensive clip and cooperating roller supporting stand unit which will eifectively retain the roller in position for normal operation but which will provide for removal and replacement thereof in a simple and expeditious manner.
Various other objects will be apparent from the drawing and the following description.
The accompanying drawing shows a preferred embodiment of this invention and in this drawing:
FIGURE 1 is a side elevational view of a roller supporting stand in which this invention is embodied.
FIGURE 2 is a plan view, partly broken away, of the stand of FIGURE 1.
FIGURE 3 is a view partly in elevation and partly in section of a roller and an associated stand support illustrating this invention.
FIGURE 4 is an end view of the structure illustrated in FIGURE 3.
\ FIGURE 5 is a detail of the structure of FIGURE 4 taken at right angles thereto.
FIGURE 6 is a plan view of the clip of this invention.
With reference to the drawing, this invention is shown incorporated in an idler-supporting conveyer stand it of a suitable type although it is to be understood that this stand is shown for illustrative purposes only and that this invention is not limited to the specific form of stand shown. The stand 10 is shown as supporting a central horizontally disposed roller 11 and the outer inwardly inclined rollers 12. Each of these rollers is an idler roller.
The stand It comprises a horizontal base 13 which may be attached to a suitable support (not shown) by means of the fasteners 14 of any suitable type at the opposed outer ends thereof. The central roller 11 is shown as being suported by two identical upstanding cradle brackets 15 whereas each of the outer rollers 12 is shown as being supported by the upstanding inner cradle bracket 15a and the upstanding outer bracket 15b. The brackets 15b and 15a lean inwardly to support the roller 12 with its axis at an angle from the horizontal as indicated in FIGURE 1. Each of the outer brackets 15b is provided with an open ing 16 into which the outer extended end 17 of the shaft of the roller 12 is slipped. The cradle brackets 15 and l5a'are are substantially identical with the exception that the brackets 15a is angled inwardly slightly, as indicated in FIGURES 1 and 2. Therefore, the cradle bracket 15 will be the only one described in detail and this bracket is illustrated best in FIGURES 3, 4 and 5.
Each of the cradle brackets 15 is formed of a flat upstanding plate portion which has an upwardly opening notch 29 for receiving and cradling the extended end 21 of the shaft or axle of the roller 11. The notch 20 preferably has straight upstanding sides 22 and a curved inner or bottom end 23. The roller shaft extension 21 is preferably of angular form so that when it is slipped into a cradling notch 20 it will not rotate therein, due to the fact that the straight sides 22 will embrace adjacent flat sides of the shaft extension 21. The shaft is preferably hexagonal so that when it is positioned in the cradling notch 29, the vertex of the angle at the rib between the two upper sides thereof points upwardly as indicated at 24. The shaft extension 21 maybe provided with a groove 21;: to cooperate with the bracket to prevent axial move' ment of the shaft extension in the notch 20.
For holding each of the shaft extensions 21 in its cradling bracket 15, a simple spring clip 25 is provided and this spring clip 25 is indicated in FIGURE 6. It is preferably made of spring steel formed into the configuration shown in FIGURE 6, all portions of which lie in a single fiat plane. This clip configuration provides a clip with an intermediate spring portion comprising main spring arms 26 which are angularly disposed with the outwardly directed angle 27 formed therebetween. At the outer end of each arm 2t; a sharply bent inward leg 2% is provided on each arm 2-5 and each leg 28 has a terminal retaining shoulder 22 formed therein. Thus, the spring clip 25 is of substantially U-forrn in a fiat plane with an outward bend or angle at the midpoint of the closed part of the U and with terminal retaining shoulders 29 at the outer ends of the U.
In association with the cradling notch 29 of the bracket 15 a pair of openings or apertures 39 is provided for receiving the legs 2t; of the U-shaped clip 25. These openings or apertures 39 are spaced laterally outwardly of the corresponding straight sides 22 of the notch fill and slightly below the upper end of the notch or upper edge of the bracket 15. After the shaft extension 21 is positioned in the notch, as indicated in FIGURES 3, 4 and 5, the legs 28 of the clip 25 are inserted inwardly through the openings or apertures 3d. The openings or apertures 3t) are sufficiently large to permit passage of the terminal retaining shoulders 29 of the spring clip, it being necessary to spring the legs 28 inwardly toward each-other, by yieldably deforming the intermediate portion of the spring clip 25, to permit insertion of the legs 23 in the openings or aperture 39. As soon as the terminal retaining shoulders 2% pass completely through the openings, the legs 28 of the clip 25 will spring outwardly so that the terminal retaining shoulders 29 will engage the opposite side of the bracket 15 at its inner surface to retain the clip 25 in position as shown in FIGURE 3. [It will be noted from FIGURE 5 that with the shaft extension 21 resting on the curved bottom edge 23 of the notch 29, the uppermost portion of each opening 3% is at a level slightly lower than the vertex of the rib 24- of the shaft. This will cause the arms 26 of the clip 25 to extend downwardly and inwardly at an angle relative to the axis of the shaft extension 21 through the openings 30 when the angle 27 of the clip engages the shaft rib 24. Thus, any tendency of the shaft extension 21 to rise in the notch 29 will cause the legs 28 of the clip to move farther into the openings rather than to withdraw the leg 28 from the openings.
It will be apparent that with this structure, the shaft extension can he slipped easily into the cradling notch 24) adapted to receive it. As pointed out above, these notches it) may be provided at one or both ends of the roller. The spring clip 25 can then be inserted quickly and with ease and without special tools into the receiving and retaining openings 30. Thereafter, the spring s aman will merely increase the holding effect of the clip. The
other simple tool.
Although the particular bearing structure for mounting the roller 11 on the shaft, which has the extension 21, is not important, an antifriction bearing arran ement for this purpose is shown in FIGURE 3. This bearing arrangement is shown as comprising a roller bearing 31 of any suitable type but the details of this bearing will not be described since they are not important to this invention. Any suitable bearing structure may be provided for rotatably mounting the roller on its associated shaft.
It will be apparent that this invention provides a simple clip and associated cradling bracket structure for removably retaining the shaft of an idler roller in position. Many advantages of this unit have been discussed above and others will be apparent.
Having thus described this invention, what is claimed is:
In combination with a roller having a shaft extending from an end of the roller, a bracket for supporting the roller, said bracket having a notch in which the shaft is received, the roller being disposed at one side of the bracket, and the shaft extending from the roller through the notch to the opposite side of the bracket to provide an exposed end of the shaft at the opposite side of the bracket, an aperture in the bracket at each side of the notch, a spring clip for retaining the shaft in the bracket notch, said spring clip being a planar element that is symmetrically formed in a single plane about a line which is in alignment with the shaft axis when the spring clip is engaged with the shaft, said planar spring clip including an intermediate spring portion extending across the exposed end of the shaft and in engagement therewith to retain the shaft in the bracket notch, said intermediate spring portion of the spring clip having oppositely directed main spring arms extending to opposite sides of the shaft from a junction of said arms at the line of symmetry of the spring clip, each main spring arm including a leg extending through the apertures from said opposite side of the bracket to said one side thereof facing the roller, each leg having a terminal shoulder directed outwardly from the line of symmetry of the spring clip, each said terminal shoulder engaging said one side of the bracket facing the roller, and said intermediate spring portion of the spring clip being yieldably deformed by insertion of said legs into said apertures, said intermediate spring portion of the sprin clip engaging the shaft at the junction of the main spring arms with the terminal shoulders being sprung into engagement with the bracket as aforesaid, said apertures being disposed substantially in alignment with the top of the exposed end of the shaft, and the spring clip laying in a plane which is slightly inclined with respect to the axis of the shaft and any tendency of the shaft to ride up in the notch causing the spring clip to be further inclined with respect to the axis of the shaft whereby the spring clip exerts a greater resistance tending to hold the shaft in the notch.
References Cited in the file of this patent UNITED STATES PATENTS 951,584 Ward Mar. 8, 1910 2,t543,432 Kindig July 15, 1958 2,927,681 Moon Mar. 8, 1960 3,002,792 Sekulski Oct. 3, 1961 FOREIGN PATENTS 549,791 Italy Oct. 17, 1956 861,669 Germany Jan. 5, 1953
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US106900A US3157272A (en) | 1961-05-01 | 1961-05-01 | Clip unit for holding removable and replaceable idler rollers in a mounting stand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US106900A US3157272A (en) | 1961-05-01 | 1961-05-01 | Clip unit for holding removable and replaceable idler rollers in a mounting stand |
Publications (1)
Publication Number | Publication Date |
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US3157272A true US3157272A (en) | 1964-11-17 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US106900A Expired - Lifetime US3157272A (en) | 1961-05-01 | 1961-05-01 | Clip unit for holding removable and replaceable idler rollers in a mounting stand |
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US (1) | US3157272A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136768A (en) * | 1977-09-22 | 1979-01-30 | Allis-Chalmers Canada, Limited | Shaft retainer arrangement |
US4643300A (en) * | 1985-04-10 | 1987-02-17 | Continental Conveyor & Equipment Co. | Idler roll assembly |
US4972939A (en) * | 1988-04-28 | 1990-11-27 | Rexnord Corporation | End seal for idler roller |
US5188214A (en) * | 1988-04-28 | 1993-02-23 | Rexnord Corporation | End seal for idler roller |
US5242047A (en) * | 1992-01-10 | 1993-09-07 | United Parcel Of America Inc. | Easy maintenance high speed endless belt conveyor |
US6244428B1 (en) * | 2000-01-25 | 2001-06-12 | Ronald Atkins | Conveyor belt maintenance specialty tools |
US20150151917A1 (en) * | 2012-06-29 | 2015-06-04 | Clyde Campbell | System, Method And Apparatus For Facilitating The Repair Of A Conveyor Belt Roller Assembly |
US11945655B1 (en) * | 2023-11-06 | 2024-04-02 | Steel Craft Mfg. Inc. | System, apparatus, and method for removing and replacing conveyor system components |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US951584A (en) * | 1909-10-29 | 1910-03-08 | John E Ward | Retaining-spring for gaskets. |
DE861669C (en) * | 1943-12-25 | 1953-01-05 | Bischoff Werke K G Vorm Pfings | Idler roller station for belt conveyor |
US2843432A (en) * | 1954-08-26 | 1958-07-15 | Jeffrey Mfg Co | Idler roll shaft support and interlock means |
US2927681A (en) * | 1957-08-05 | 1960-03-08 | Jeffrey Mfg Co | Conveyor idler stand |
US3002792A (en) * | 1958-11-20 | 1961-10-03 | Mathews Conveyer Co | Roller conveyer structure |
-
1961
- 1961-05-01 US US106900A patent/US3157272A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US951584A (en) * | 1909-10-29 | 1910-03-08 | John E Ward | Retaining-spring for gaskets. |
DE861669C (en) * | 1943-12-25 | 1953-01-05 | Bischoff Werke K G Vorm Pfings | Idler roller station for belt conveyor |
US2843432A (en) * | 1954-08-26 | 1958-07-15 | Jeffrey Mfg Co | Idler roll shaft support and interlock means |
US2927681A (en) * | 1957-08-05 | 1960-03-08 | Jeffrey Mfg Co | Conveyor idler stand |
US3002792A (en) * | 1958-11-20 | 1961-10-03 | Mathews Conveyer Co | Roller conveyer structure |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4136768A (en) * | 1977-09-22 | 1979-01-30 | Allis-Chalmers Canada, Limited | Shaft retainer arrangement |
US4643300A (en) * | 1985-04-10 | 1987-02-17 | Continental Conveyor & Equipment Co. | Idler roll assembly |
US4972939A (en) * | 1988-04-28 | 1990-11-27 | Rexnord Corporation | End seal for idler roller |
US5188214A (en) * | 1988-04-28 | 1993-02-23 | Rexnord Corporation | End seal for idler roller |
US5242047A (en) * | 1992-01-10 | 1993-09-07 | United Parcel Of America Inc. | Easy maintenance high speed endless belt conveyor |
US6244428B1 (en) * | 2000-01-25 | 2001-06-12 | Ronald Atkins | Conveyor belt maintenance specialty tools |
US20150151917A1 (en) * | 2012-06-29 | 2015-06-04 | Clyde Campbell | System, Method And Apparatus For Facilitating The Repair Of A Conveyor Belt Roller Assembly |
US11945655B1 (en) * | 2023-11-06 | 2024-04-02 | Steel Craft Mfg. Inc. | System, apparatus, and method for removing and replacing conveyor system components |
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