CA1136571A - Escapement mechanism and backspace mechanism for a moving paper carriage typewriter having dual pitch capability - Google Patents
Escapement mechanism and backspace mechanism for a moving paper carriage typewriter having dual pitch capabilityInfo
- Publication number
- CA1136571A CA1136571A CA000352802A CA352802A CA1136571A CA 1136571 A CA1136571 A CA 1136571A CA 000352802 A CA000352802 A CA 000352802A CA 352802 A CA352802 A CA 352802A CA 1136571 A CA1136571 A CA 1136571A
- Authority
- CA
- Canada
- Prior art keywords
- escapement
- backspace
- ratchet
- pawl
- ratchets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 9
- 239000011295 pitch Substances 0.000 claims abstract description 43
- 230000000694 effects Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims 2
- 238000009877 rendering Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- YSGQGNQWBLYHPE-CFUSNLFHSA-N (7r,8r,9s,10r,13s,14s,17s)-17-hydroxy-7,13-dimethyl-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-one Chemical compound C1C[C@]2(C)[C@@H](O)CC[C@H]2[C@@H]2[C@H](C)CC3=CC(=O)CC[C@@H]3[C@H]21 YSGQGNQWBLYHPE-CFUSNLFHSA-N 0.000 description 1
- 101100029872 Dictyostelium discoideum pitC gene Proteins 0.000 description 1
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical compound Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/60—Auxiliary feed or adjustment devices
- B41J19/62—Auxiliary feed or adjustment devices for back spacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/34—Escapement-feed character-spacing mechanisms
- B41J19/42—Escapements having two pawls or like detents
- B41J19/44—Escapements having two pawls or like detents coacting with two toothed members, e.g. racks or wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/34—Escapement-feed character-spacing mechanisms
- B41J19/58—Differential or variable-spacing arrangements
Landscapes
- Character Spaces And Line Spaces In Printers (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US054,059 | 1979-07-02 | ||
| US06/054,059 US4285605A (en) | 1979-07-02 | 1979-07-02 | Escapement mechanism and backspace mechanism for a moving paper carriage typewriter having dual pitch capability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136571A true CA1136571A (en) | 1982-11-30 |
Family
ID=21988511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000352802A Expired CA1136571A (en) | 1979-07-02 | 1980-05-27 | Escapement mechanism and backspace mechanism for a moving paper carriage typewriter having dual pitch capability |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1205035A (en) * | 1981-09-24 | 1986-05-27 | Michihisa Kumamoto | Printing apparatus having a memory for storing printed character information |
| JP2010500011A (ja) | 2006-08-08 | 2010-01-07 | ガンサー ハートマン | ５’リン酸オリゴヌクレオチドの構造および使用 |
| US9738680B2 (en) | 2008-05-21 | 2017-08-22 | Rheinische Friedrich-Wilhelms-Universität Bonn | 5′ triphosphate oligonucleotide with blunt end and uses thereof |
| EP2508530A1 (en) | 2011-03-28 | 2012-10-10 | Rheinische Friedrich-Wilhelms-Universität Bonn | Purification of triphosphorylated oligonucleotides using capture tags |
| EP2712870A1 (en) | 2012-09-27 | 2014-04-02 | Rheinische Friedrich-Wilhelms-Universität Bonn | Novel RIG-I ligands and methods for producing them |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US844289A (en) * | 1906-04-10 | 1907-02-12 | Franz Schueler | Variable-feed mechanism for type-writers. |
| US2268867A (en) * | 1940-06-19 | 1942-01-06 | L C Smith & Corona Typewriters | Typewriting machine |
| NL134493C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1963-09-25 | |||
| US3482671A (en) * | 1968-01-03 | 1969-12-09 | Scm Corp | Back space mechanism for typewriters and like machines |
| DE2052017C3 (de) * | 1970-10-23 | 1974-08-22 | Olympia Werke Ag, 2940 Wilhelmshaven | Tabelliereinrichtung für Schreib- oder ähnliche Büromaschinen |
| US3893561A (en) * | 1973-11-23 | 1975-07-08 | Ibm | Half backspace for dual pitch typewriter |
| DE2611912C3 (de) * | 1976-03-20 | 1981-01-29 | Olympia Werke Ag, 2940 Wilhelmshaven | Schrittschaltwerk für Schreib- oder ähnliche Büromaschinen |
-
1979
- 1979-07-02 US US06/054,059 patent/US4285605A/en not_active Expired - Lifetime
-
1980
- 1980-03-18 JP JP3350480A patent/JPS5610476A/ja active Granted
- 1980-05-27 CA CA000352802A patent/CA1136571A/en not_active Expired
- 1980-05-29 DE DE8080102991T patent/DE3062951D1/de not_active Expired
- 1980-05-29 EP EP80102991A patent/EP0021099B1/en not_active Expired
- 1980-06-23 IT IT22956/80A patent/IT1149984B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT8022956A0 (it) | 1980-06-23 |
| JPS6160790B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-12-22 |
| DE3062951D1 (en) | 1983-06-09 |
| JPS5610476A (en) | 1981-02-02 |
| IT1149984B (it) | 1986-12-10 |
| US4285605A (en) | 1981-08-25 |
| EP0021099B1 (en) | 1983-05-04 |
| EP0021099A1 (en) | 1981-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |