CA1225875A - Mecanisme de frappe a longue bobine de detente - Google Patents

Mecanisme de frappe a longue bobine de detente

Info

Publication number: CA1225875A
Authority: CA; Canada
Prior art keywords: post; permanent magnet; hammer; plate; coil
Prior art date: 1983-12-07
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

Application number

CA000464581A

Other languages

English (en)

Inventor

Edward D. Bringhurst

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Mannesmann Tally Corp

Original Assignee

Mannesmann Tally Corp

Priority date (The priority date 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 date listed.)

1983-12-07

Filing date

1984-10-03

Publication date

1987-08-25

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24231771&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1225875(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1984-10-03 Application filed by Mannesmann Tally Corp filed Critical Mannesmann Tally Corp

1987-08-25 Application granted granted Critical

1987-08-25 Publication of CA1225875A publication Critical patent/CA1225875A/fr

Status Expired legal-status Critical Current

Links

230000007246 mechanism Effects 0.000 title claims abstract description 45
230000004907 flux Effects 0.000 claims abstract description 81
230000005291 magnetic effect Effects 0.000 claims abstract description 40
230000006872 improvement Effects 0.000 claims description 3
239000011159 matrix material Substances 0.000 description 13
230000003247 decreasing effect Effects 0.000 description 5
230000008901 benefit Effects 0.000 description 4
230000007423 decrease Effects 0.000 description 4
241000251131 Sphyrna Species 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000001816 cooling Methods 0.000 description 2
230000005294 ferromagnetic effect Effects 0.000 description 2
239000003302 ferromagnetic material Substances 0.000 description 2
230000020169 heat generation Effects 0.000 description 2
230000009471 action Effects 0.000 description 1
230000006378 damage Effects 0.000 description 1
101150020161 flu-2 gene Proteins 0.000 description 1
230000003116 impacting effect Effects 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
230000010287 polarization Effects 0.000 description 1
230000002028 premature Effects 0.000 description 1
238000003466 welding Methods 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
- B41J9/00—Hammer-impression mechanisms
- B41J9/26—Means for operating hammers to effect impression
- B41J9/36—Means for operating hammers to effect impression in which mechanical power is applied under electromagnetic control

Landscapes

Impact Printers (AREA)

CA000464581A 1983-12-07 1984-10-03 Mecanisme de frappe a longue bobine de detente Expired CA1225875A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US55897583A	1983-12-07	1983-12-07
US558,975		1983-12-07

Publications (1)

Publication Number	Publication Date
CA1225875A true CA1225875A (fr)	1987-08-25

Family

ID=24231771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000464581A Expired CA1225875A (fr)	1983-12-07	1984-10-03	Mecanisme de frappe a longue bobine de detente

Country Status (4)

Country	Link
EP (1)	EP0144833B1 (fr)
JP (1)	JPS60143972A (fr)
CA (1)	CA1225875A (fr)
DE (1)	DE3485703D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3843838A1 (de) *	1988-12-24	1990-06-28	Arnold & Richter Kg	Schallgedaempftes wechselobjektiv

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2469288B1 (fr) *	1979-11-16	1986-10-10	Impression Enregistre Resultat	Tete d'impression matricielle pour imprimante par points
US4351235A (en) *	1980-09-11	1982-09-28	Mannesmann Tally Corporation	Dot printing mechanism for dot matrix line printers

1984
- 1984-10-03 CA CA000464581A patent/CA1225875A/fr not_active Expired
- 1984-11-15 DE DE8484113805T patent/DE3485703D1/de not_active Expired - Lifetime
- 1984-11-15 EP EP19840113805 patent/EP0144833B1/fr not_active Expired - Lifetime
- 1984-12-07 JP JP25771584A patent/JPS60143972A/ja active Pending

Also Published As

Publication number	Publication date
DE3485703D1 (de)	1992-06-11
JPS60143972A (ja)	1985-07-30
EP0144833A3 (en)	1988-01-20
EP0144833B1 (fr)	1992-05-06
EP0144833A2 (fr)	1985-06-19

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Legal Events

Date	Code	Title	Description
2004-10-03	MKEX	Expiry