GB1340840A - Printer - Google Patents
PrinterInfo
- Publication number
- GB1340840A GB1340840A GB5548672A GB5548672A GB1340840A GB 1340840 A GB1340840 A GB 1340840A GB 5548672 A GB5548672 A GB 5548672A GB 5548672 A GB5548672 A GB 5548672A GB 1340840 A GB1340840 A GB 1340840A
- Authority
- GB
- United Kingdom
- Prior art keywords
- coil
- block
- dec
- hammers
- slidably mounted
- 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
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
- B41J9/00—Hammer-impression mechanisms
- B41J9/26—Means for operating hammers to effect impression
- B41J9/38—Electromagnetic means
-
- 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
- B41J9/00—Hammer-impression mechanisms
- B41J9/02—Hammers; Arrangements thereof
- B41J9/10—Hammers; Arrangements thereof of more than one hammer, e.g. one for each character position
- B41J9/12—Hammers; Arrangements thereof of more than one hammer, e.g. one for each character position each operating in more than one character position
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Impact Printers (AREA)
- Printers Characterized By Their Purpose (AREA)
Abstract
1340840 Selective printing INTERNATIONAL BUSINESS MACHINES CORP 1 Dec 1972 [23 Dec 1971] 55486/72 Heading B6F Hammer impression.-A plurality of slidably mounted hammers 53, each with a head 55 capable of printing in more than one character position, are operated on by an equal plurality of spring loaded actuators (99, Fig. 3) slidably mounted in a plurality of bores 91 in a one piece magnetic block 61. The block 61 forms part of an electromagnet comprising a coil (27, Fig. 3), and core members (39, 41 and 45). The coil is continuously energized to attract the armature portions 51 of the plurality of hammers, into contact with a plurality of polepieces 63 formed on the upper edge the block 61. Each polepiece 63 is provided with a selectively energizable backing coil 29 which cancels the magnetic attraction created by the main coil (27). By rotating a plurality of set screws 97, the forward flight time of each hammer may be adjusted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21150471A | 1971-12-23 | 1971-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1340840A true GB1340840A (en) | 1973-12-19 |
Family
ID=22787192
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5548672A Expired GB1340840A (en) | 1971-12-23 | 1972-12-01 | Printer |
Country Status (5)
Country | Link |
---|---|
US (1) | US3734013A (en) |
JP (1) | JPS539132B2 (en) |
DE (1) | DE2261121A1 (en) |
FR (1) | FR2164940B1 (en) |
GB (1) | GB1340840A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53116919A (en) * | 1977-03-23 | 1978-10-12 | Suwa Seikosha Kk | Typewriter |
JPS6038956Y2 (en) * | 1979-09-19 | 1985-11-21 | 鉄夫 福原 | Simple bathroom shower device |
-
1971
- 1971-12-23 US US00211504A patent/US3734013A/en not_active Expired - Lifetime
-
1972
- 1972-12-01 GB GB5548672A patent/GB1340840A/en not_active Expired
- 1972-12-05 JP JP12127472A patent/JPS539132B2/ja not_active Expired
- 1972-12-14 DE DE2261121A patent/DE2261121A1/en active Pending
- 1972-12-21 FR FR7247107A patent/FR2164940B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3734013A (en) | 1973-05-22 |
FR2164940B1 (en) | 1974-01-11 |
JPS4874113A (en) | 1973-10-05 |
DE2261121A1 (en) | 1973-07-05 |
JPS539132B2 (en) | 1978-04-04 |
FR2164940A1 (en) | 1973-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |