US3189928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for vacuum cleaning a record tape
Assignee: Honeywell Inc
•
Filing: 1962-02-26
•
Granted: 1965-06-22
•
Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Robert A Pendleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:22
CPC Classifications
G; G11; G11B; G11B23/00; G11B23/50; G11B23/502
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
APPARATUS FOR CLEANING A MAGNETIC TAPE AS IT IS CARRIED BY A TAPE TRANSPORT COMPRISING A CLEANING HEAD POSITIONED IMMEDIATELY ADJACENT TO THE OXIDE SIDE OF THE TAPE BUT SPACED THEREFROM, SAID CLEANING HEAD COMPRISING A HOLLOW CYLINDRICAL MEMBER HAVING A PAIR OF ADJACENT PARALLEL SLOTS CUT IN THE SURFACE THEREOF AND COMMUNICATING WITH THE INTERIOR THEREOF, EACH SLOT HAVING THE OPEN SURFACE POSITIONED AT RIGHT ANGLES TO THE PATH OF TRAVEL OF THE TAPE AND THE CUT POSITIONED TO PERPENDICULAR TO THE SURFACE OF THE TAPE AND WITH THE LAND AREA BETWEEN THE SLOTS FORMING A MECHANICAL BUFFER POSITIONED CLOSEST TO SAID TAPE TO PREVENT THE TAPE FROM COVERING SAID SLOTS, SAID CYLINDRICAL MEMBER HAVING THE SURFACE IMMEDIATELY ADJACENT EACH OF SAID SLOTS ON THE SIDE OPPOSITE SAID LAND AREA CUT AWAY TO FORM A FLAT SURFACE PARALLEL TO THE TAPE SURFACE, AND A VACUUM SOURCE COUPLED TO SAID MEMBER TO CAUSE A CLEANING FLOW OF AIR TO PASS OVER THE TAPE AND THROUGH SAID SLOTS.
Claim 2
Dependent Claim
167 words
APPARATUS FOR CLEANING A MAGNETIC TAPE AS IT IS CARRIED BY A TAPE TRANSPORT COMPRISING A CLEANING HEAD POSITIONED IMMEDIATELY ADJACENT TO THE OXIDE SIDE OF THE TAPE BUT SPACED THEREFROM, SAID CLEANING HEAD COMPRISING A HOLLOW CYLINDRICAL MEMBER HAVING A PAIR OF ADJACENT PARALLEL SLOTS CUT IN THE SURFACE THEREOF AND COMMUNICATING WITH THE INTERIOR THEREOF, EACH SLOT HAVING THE OPEN SURFACE POSITIONED AT RIGHT ANGLES TO THE PATH OF TRAVEL OF THE TAPE AND THE CUT POSITIONED TO PERPENDICULAR TO THE SURFACE OF THE TAPE AND WITH THE LAND AREA BETWEEN THE SLOTS FORMING A MECHANICAL BUFFER POSITIONED CLOSEST TO SAID TAPE TO PREVENT THE TAPE FROM COVERING SAID SLOTS, SAID CYLINDRICAL MEMBER HAVING THE SURFACE IMMEDIATELY ADJACENT EACH OF SAID SLOTS ON THE SIDE OPPOSITE SAID LAND AREA CUT AWAY TO FORM A FLAT SURFACE PARALLEL TO THE TAPE SURFACE, AND A VACUUM SOURCE COUPLED TO SAID MEMBER TO CAUSE A CLEANING FLOW OF AIR TO PASS OVER THE TAPE AND THROUGH SAID SLOTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |