US3773273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction adjustable chart roll or paper guide apparatus
Assignee: Esterline Corp
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Filing: 1970-12-28
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Granted: 1973-11-20
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Expires: 1990-12-28
Abstract
Abstract Two parallel rollers with strip chart rolled thereon and extending therebetween, employ fixed guide discs at one side of the chart, and adjustable guide discs at the other side of the chart. Radially projecting buttons in the adjustable discs engage the rollers, being urged inwardly by ''''O'''' rings encircling the adjustable discs.
Inventors
- 👤 A Gosnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/24; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/602; Y10T403/604; Y10T403/70; Y10T403/7062; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
Guide apparatus comprising: a guide member having a circular central aperture for reception on an elongated core; a circular groove in the perimeter of said member and surrounding said aperture; a transverse aperture extending between said central aperture and said groove; a button received in said transverse aperture; a garter type resilient ring in said groove and urging a portion of said button into projection into said central aperture, said transverse aperture including a recess projecting radially inward from the bottom of said groove and terminating in a shoulder spaced outward from the inner wall of said central aperture, and said button including a head received in said recess for limiting extension of said button into said central aperture.
Claim 2
Dependent Claim
119 words
Guide apparatus comprising: a guide member having a circular central aperture for reception on an elongated core; a circular groove in the perimeter of said member and surrounding said aperture; a transverse aperture extending between said central aperture and said groove; a button received in said transverse aperture; a garter type resilient ring in said groove and urging a portion of said button into projection into said central aperture, said transverse aperture including a recess projecting radially inward from the bottom of said groove and terminating in a shoulder spaced outward from the inner wall of said central aperture, and said button including a head received in said recess for limiting extension of said button into said central aperture.
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) | 1976-11-19 | 1977-05-21 | 1977-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-19 | 1981-05-21 | 1981-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-19 | 1985-05-21 | 1985-11-20 | $7700.00 | Window Closed / Lapsed |