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| OF THE DRAWINGS FIG. 1 illustrates a bulkhead door 10 for mounting in a casing 22 of a large ... |
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| Hinged door assembly |
| OF PREFERRED EMBODIMENT By way of further explanation of the invention, an exemplary embodiment of ... |
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Bolted annular locking collar for a shaft
| Details |
Inventors: Bianco, Romolo P.;
Assignee:
Primary Examiner: Shedd; Wayne L.
Assistant Examiner:
Attorney, Agent or Firm: Cullen, Sloman, Cantor, Grauer, Scott & Rutherford
The expandable annular locking device is particularly applicable for use on mill roll necks, shaft and the like. The annular locking device is adapted to be disposed in an annular groove of a mill roll meck or shaft for retaining one or more sleeve-like members, anti-friction bearings, seals, spacers or the like together as a unit against a fixed abutment of the shaft for maintaining the member or plurality of members in proper working or spaced relationship on the shaft. The annular locking device comprises a pair of arcuate members, each having a pair of flat surfaces. Each arcuate member portends an arc less than 180.degree. and their one ends are pivotally interconnected by an arcuate link whose opposite ends are nested within opposed slots of said members and pivoted thereto. When the arcuate members and links are disposed about a shaft within an annular recess and a preselected spacer sleeve is snugly interposed between the annular locking device and the sleeve-like elements, bearings or the like, and the locking devices are tightly secured to the shaft, the sleeve-like elements are retained against the abutment so as to locate and maintain the various elements on the shaft in the required working relationship. |
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DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT Referring to the drawings, the expandable locking device is designated by the numeral 10 and is shown in FIG.
4 mounted on a mill roll neck or shaft 12, fragmentarily shown.
The mill roll neck or shaft, hereafter referred to as shaft, is elongated and of generally cylindrical configuration and has a longitudinally extending axis, not shown, which is coincidental to the center axis of the locking device.
The shaft is of varying diameter, FIG.
4, and has a first cylindrical portion 14 providing a first abutment 16 and a second cylindrical portion 18 having a diameter smaller than the first cylindrical portion.
An annular groove 20 is provided in the second cylindrical portion 18, the ends of the groove 20 being defined by oppositely facing second and third abutments 22 and 24.
The abutments 16, 22 and 24 are axially aligned, parallel and spaced apart.
The cylindrical portion 18 is divided by groove 20 into portions 18' and 18".
The elongated shaft 12 is provided with conventional anti-friction type bearings, cone-type bearings, spacers, seals, etc.
For purposes of illustration, only a single bearing, spacer or seal is shown and is referred to herein as the sleeve-like member 26.
Any number of sleeve-like members may be mounted on shaft 12, as is now utilized in the prior art and such sleeve-like members may include various anti-friction bearings, spacers, seals, etc.
, which are axially spaced on the shaft in abutting relationship and clamped together as a unit against the first abutment 16 by locking device 10.
The sleeve-like member 26 has a keyway 28 for receiving the elongated key 30 secured to the cylindrical portion 18' for aligning member 26 on the shaft and preventing rotation of same relative to the shaft.
The sleeve-like member has a pair of flat and parallel faces 32, 34.
Face 32 engages the first abutment 16 when the locking device 10 is in secured position, FIG.
4.
The sleeve-like member is mounted on the second cylindrical portion 18 of the shaft at the side of the groove closest to the first abutment 16
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