Patent US3673957A successfully refreshed from Google Patents.
US3673957A
Expired / Lapsed
US
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High speed printer including changeable code means
Assignee: SCM-P&S Inc
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Filing: 1969-02-17
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Granted: 1972-07-04
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Expires: 1989-02-17
Abstract
Abstract There is disclosed a printer having a moving print symbol carrier with a plurality of print symbols, print hammer means selectively cooperable with the print symbols, a memory in the form of a code wheel, a reader for reading the memory, and a comparator for controlling initiation of operation of the print hammer means in response to a received signal when the print symbol carrier is in the proper position as determinted by the reader, the code wheel having one set of code elements corresponding to each print symbol, two sets of code elements being interchangeable.
Inventors
- 👤 John Guzak Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:17
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/22; B41J1/32
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
A printer including a carrier having a plurality of print symbols thereon; a code wheel having a plurality of code sets permanently defined thereon, at least one set corresponding to a print symbol on said carrier and including at least one code hole in said wheel; and code alteration means detachably mounted on said wheel in juxtaposition to said one code set for covering said hole to alter the relation between said one code set and the print symbol corresponding thereto on said carrier, said code alteration means comprising resilient spring clip means having a deflectable retaining means, said code wheel including means for receiving said retaining means for detachably locking said clip means in position on said wheel.
Claim 2
Dependent Claim
119 words
A printer including a carrier having a plurality of print symbols thereon; a code wheel having a plurality of code sets permanently defined thereon, at least one set corresponding to a print symbol on said carrier and including at least one code hole in said wheel; and code alteration means detachably mounted on said wheel in juxtaposition to said one code set for covering said hole to alter the relation between said one code set and the print symbol corresponding thereto on said carrier, said code alteration means comprising resilient spring clip means having a deflectable retaining means, said code wheel including means for receiving said retaining means for detachably locking said clip means in position on said wheel.
Claim 3
Dependent Claim
33 words
The printer of claim 1 wherein said code wheel includes a surface having a recess defined therein adjacent said one code hole for receiving at least a portion of said spring clip means.
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) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |