US3750250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printer{40 s roller and method of making same
Assignee: Samuel Bingham Co
•
Filing: 1972-08-31
•
Granted: 1973-08-07
•
Expires: 1992-08-31
Abstract
Abstract Lightweight printer''s roller having sleeve of either rubber extruded onto long aluminium tube or elastomer, such as urethane, cast onto tube, cut to desired length, broached at ends to form keyways for receiving keys on journals injection molded of suitable plastic, with journals secured in tube by press fit or with adhesive, and thereafter trued, and outer surface of roller finished by grinding and end trimming.
Inventors
- 👤 J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:37
CPC Classifications
B; B41; B41L; B41L35/00; B29; B29D; B29D99/00; B29D99/0032; B29D99/0035; B41F; B41F13/00; B41F13/08; B41N; B41N7/00; F; F16; F16C; F16C13/00; B29L; B29L2031/00; B29L2031/32; B29L2031/324; B41N2207/00; B41N2207/02; B41N2207/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
32 words
A printer''s roller, comprising a relatively thin metal tube, an outer elastomer sleeve surrounding and secured to said tube, and plastic journals extending into the ends of said tube and secured thereto.
Claim 2
Dependent Claim
32 words
A printer''s roller, comprising a relatively thin metal tube, an outer elastomer sleeve surrounding and secured to said tube, and plastic journals extending into the ends of said tube and secured thereto.
Claim 3
Dependent Claim
37 words
A printer''s roller according to claim 1, wherein said journals have axially extending key means formed on the inner portions of their outer surfaces, and said tube is provided with interior keyway means receiving said key means.
Claim 4
Dependent Claim
12 words
A printer''s roller according to claim 1, wherein said tube is aluminum.
Claim 5
Dependent Claim
36 words
A printer''s roller according to claim 1, wherein the outer surface of said tube is coated with a suitable adhesive and said sleeve is rubber extruded onto said tube and cured and bonded thereto by vulcanizing.
Claim 6
Dependent Claim
17 words
A printer''s roller according to claim 1, wherein said sleeve is of urethane cast onto said tube.
Claim 7
Dependent Claim
19 words
A printer''s roller according to claim 1, wherein said journals are injection molded and press fitted into said tube.
Claim 8
Independent Claim
61 words
The method of making a printer''s roller, comprising adhering and outer elastomer sleeve to a long and relatively thin metal tube, cutting a desired length off of said tube so covered, mounting plastic journals in the ends of said covered tube, truing the extending portions of said journals and finishing the resulting roller by grinding the outer surface of said sleeve.
Claim 9
Independent Claim
61 words
The method of making a printer''s roller, comprising adhering and outer elastomer sleeve to a long and relatively thin metal tube, cutting a desired length off of said tube so covered, mounting plastic journals in the ends of said covered tube, truing the extending portions of said journals and finishing the resulting roller by grinding the outer surface of said sleeve.
Claim 10
Dependent Claim
53 words
The method of making a printer''s roller according to claim 7, including first coating the exterior of said tube with a suitable adhesive, and wherein said sleeve is of rubber and said adhering thereof to said tube comprises extruding the rubber onto said tube and curing and bonding the same thereto by vulcanizing.
Claim 11
Dependent Claim
34 words
The method of making a printer''s roller according to claim 7, wherein said mounting of said journals comprises interiorly finishing the ends of said covered tube to receive the inner ends of said journals.
Claim 12
Dependent Claim
45 words
The method of making a printer''s roller according to claim 9, wherein the inner ends of said journals include axially extending key means on their outer surfaces, and said interior finishing of said covered tube comprises broaching of keyway means for receiving said key means.
References Cited (Backward Citations)
US3184355A
Cited
US3187409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |