US3580648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll and antifriction bearing assembly
Assignee: Black Clawson Co
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Filing: 1969-04-07
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Granted: 1971-05-25
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Expires: 1989-04-07
Abstract
Abstract Each journal of a roll is supported by an antifriction roller bearing including an outer race and two inner races spaced axially by a ring of predetermined thickness. The inner races and the spacer ring are pressed axially against a shoulder on the journal by a plurality of jackscrews extending axially through a locknut for minimizing radial runout of the roll.
Inventors
- 👤 Stanley C Zink
- 👤 Joseph J Slane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:07
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/34; F16C19/38; F16C19/383; F16C19/385; F16C19/386; F16C13/00; F16C13/02; F16C35/00; F16C35/04; F16C35/06; F16C35/063
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
185 words
An assembly comprising a roll including opposite end journals each having a radially extending shoulder, an antifriction support bearing mounted on each said journal, each said bearing including a pair of inner races positioned in axially spaced relation on said journal with one of said inner races engaging the corresponding said shoulder of said journal, annular outer race means surrounding said inner races of each said bearing, a plurality of rollers spaced circumferentially between said outer race means and each said inner race, an annular spacer located axially between said inner races of each said bearing and having a predetermined uniform thickness, a nut member mounted on each said journal, and a plurality of circumferentially spaced jackscrews mounted on each said nut member and extending axially into engagement with the adjacent said inner race for applying a uniform and circumferentially distributed axial force against said inner races of each said bearing to clamp said inner races and said spacer against the corresponding said shoulder and thereby to minimize radial runout of each said journal relative to said outer race means of the corresponding said bearing.
Claim 2
Dependent Claim
185 words
An assembly comprising a roll including opposite end journals each having a radially extending shoulder, an antifriction support bearing mounted on each said journal, each said bearing including a pair of inner races positioned in axially spaced relation on said journal with one of said inner races engaging the corresponding said shoulder of said journal, annular outer race means surrounding said inner races of each said bearing, a plurality of rollers spaced circumferentially between said outer race means and each said inner race, an annular spacer located axially between said inner races of each said bearing and having a predetermined uniform thickness, a nut member mounted on each said journal, and a plurality of circumferentially spaced jackscrews mounted on each said nut member and extending axially into engagement with the adjacent said inner race for applying a uniform and circumferentially distributed axial force against said inner races of each said bearing to clamp said inner races and said spacer against the corresponding said shoulder and thereby to minimize radial runout of each said journal relative to said outer race means of the corresponding said bearing.
Claim 3
Dependent Claim
22 words
An assembly as defined in claim 1 wherein each said jackscrew includes a swivel footpad for engaging the adjacent said inner race.
Claim 4
Dependent Claim
171 words
An assembly comprising a roll including opposite end journals each having a radially extending shoulder, an antifriction support bearing mounted on each said journal, each said bearing including a pair of inner races having generally inwardly converging tapered outer surfaces and positioned axially on said journal with one of said inner races confined by the corresponding said shoulder of said journal, annular outer race means surrounding said inner races of each said bearing and having correspondingly tApered and converging inner surfaces, a plurality of rollers spaced circumferentially between each set of said inner and outer surfaces, a nut member threadably mounted on each said journal, a plurality of circumferentially spaced jackscrews mounted on each said nut member and extending axially into pressure engagement with the adjacent said inner race, and means for adjusting each said jackscrew for applying a uniform and circumferentially distributed axial force against the adjacent said inner race for effectively eliminating radial runout of each said journal relative to said outer race means of the corresponding said bearing.
Claim 5
Dependent Claim
171 words
An assembly comprising a roll including opposite end journals each having a radially extending shoulder, an antifriction support bearing mounted on each said journal, each said bearing including a pair of inner races having generally inwardly converging tapered outer surfaces and positioned axially on said journal with one of said inner races confined by the corresponding said shoulder of said journal, annular outer race means surrounding said inner races of each said bearing and having correspondingly tApered and converging inner surfaces, a plurality of rollers spaced circumferentially between each set of said inner and outer surfaces, a nut member threadably mounted on each said journal, a plurality of circumferentially spaced jackscrews mounted on each said nut member and extending axially into pressure engagement with the adjacent said inner race, and means for adjusting each said jackscrew for applying a uniform and circumferentially distributed axial force against the adjacent said inner race for effectively eliminating radial runout of each said journal relative to said outer race means of the corresponding said bearing.
Claim 6
Dependent Claim
53 words
An assembly as defined in claim 3 including a housing supporting said outer race means, cap member mounted on each end of said housing, seal means mounted on each said cap member for engaging the journal, and means forming passages within said cap members for circulating a fluid lubricant axially between said rollers.
Claim 7
Dependent Claim
22 words
An assembly as defined in claim 3 wherein each said jackscrew includes a swivel footpad for engaging the adjacent said inner race.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |