SE7908402L - Tangentmekanism med sneppverkan - Google Patents

Tangentmekanism med sneppverkan

Info

Publication number: SE7908402L
Authority: SE; Sweden
Prior art keywords: keylever; resilient member; free end; depression; key mechanism
Prior art date: 1978-10-11

Application number

SE7908402A

Other languages

Unknown language ( )

English (en)

Swedish (sv)

Inventor

S J Longrod

Original Assignee

Scm 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.)

1978-10-11

Filing date

1979-10-10

Publication date

1980-04-12

1979-10-10 Application filed by Scm Corp filed Critical Scm Corp

1980-04-12 Publication of SE7908402L publication Critical patent/SE7908402L/

Links

230000000452 restraining effect Effects 0.000 abstract 2
238000009825 accumulation Methods 0.000 abstract 1
230000008878 coupling Effects 0.000 abstract 1
238000010168 coupling process Methods 0.000 abstract 1
238000005859 coupling reaction Methods 0.000 abstract 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
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/26—Regulating touch, key dip or stroke, or the like
- 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
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/14—Construction of key levers
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18856—Oscillating to oscillating
- Y10T74/18864—Snap action
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18856—Oscillating to oscillating
- Y10T74/18864—Snap action
- Y10T74/18872—Plate spring

Landscapes

Input From Keyboards Or The Like (AREA)
Push-Button Switches (AREA)
Electrophonic Musical Instruments (AREA)
Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

SE7908402A 1978-10-11 1979-10-10 Tangentmekanism med sneppverkan SE7908402L (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/950,482 US4269521A (en)	1978-10-11	1978-10-11	Key mechanism having a snap action

Publications (1)

Publication Number	Publication Date
SE7908402L true SE7908402L (sv)	1980-04-12

Family

ID=25490490

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7908402A SE7908402L (sv)	1978-10-11	1979-10-10	Tangentmekanism med sneppverkan

Country Status (10)

Country	Link
US (1)	US4269521A (it)
JP (1)	JPS5556317A (it)
BR (1)	BR7906606A (it)
CA (1)	CA1130747A (it)
DE (1)	DE2941309A1 (it)
FR (1)	FR2438545A1 (it)
GB (1)	GB2033303B (it)
IT (1)	IT1125477B (it)
NL (1)	NL7907554A (it)
SE (1)	SE7908402L (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4343557A (en) *	1981-01-15	1982-08-10	Scm Corporation	Spacebar touch control apparatus
US4407596A (en) *	1981-05-29	1983-10-04	Scm Corporation	Case shift and lock input mechanism including a shift control switch
US4513271A (en) *	1982-07-16	1985-04-23	Minnesota Mining And Manufacturing Company	Momentary contact magnetic switch
US4818828A (en) *	1988-06-17	1989-04-04	Smith Corona Corporation	Electronic keyboard
US4855548A (en) *	1988-06-17	1989-08-08	Smith Corona Corporation	Keybutton guide assembly for a keyboard
DE19620880A1 (de) *	1996-05-23	1997-11-27	Brandestini Marco	Verfahren und Vorrichtung zur Erzeugung von elektrischer Energie für den Betrieb elektrischer Kleingeräte
US20050054431A1 (en) *	1997-07-03	2005-03-10	Walker Jay S.	Method and apparatus for providing instructions to gaming devices
US9177733B2 (en)	2012-08-06	2015-11-03	Synaptics Incorporated	Touchsurface assemblies with linkages
US9324515B2 (en)	2012-08-06	2016-04-26	Synaptics Incorporated	Touchsurface assembly utilizing magnetically enabled hinge

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US403288A (en) *		1889-05-14		Mechanical movement
US393496A (en) *		1888-11-27		Sponge and slate-pencil holder
US450324A (en) *		1891-04-14		George w
US2518480A (en) *	1946-06-01	1950-08-15	Barber Colman Co	Snap switch
FR963862A (it) *	1947-04-04	1950-07-24
US2646478A (en) *	1949-06-24	1953-07-21	Gen Electric	Switch closing mechanism
NL83239C (it) *	1950-09-16
DE1447353B2 (de) *	1964-04-21	1970-06-11	Grundig, Max, 85IO Fürth	Verstellbare Tastenhebelfederung für Schreib-, Rechen- oder ähnliche Maschinen
GB1028059A (en) *	1964-11-06	1966-05-04	Creed & Co Ltd	A signal generating arrangement for an electric typewriter and similar apparatus
US3612240A (en) *	1970-01-30	1971-10-12	Litton Business Systems Inc	Key-responsive switching mechanism
CH518803A (fr) *	1970-12-15	1972-02-15	Paillard Sa	Dispositif de frappe d'une machine à écrire
US3725908A (en) *	1971-06-21	1973-04-03	Control Data Corp	Impact transducer keyboard apparatus
JPS528B2 (it) *	1972-01-11	1977-01-05
GB1472851A (en) *	1973-04-09	1977-05-11	Alphameric Keyboards Ltd	Keyboards
US4055734A (en) *	1973-12-26	1977-10-25	Thomas John Hayden	Keyboard switch assembly with hinged pushbuttons and cantilevered terminal members
JPS50149415A (it) *	1974-05-20	1975-11-29
US3915277A (en) *	1974-08-28	1975-10-28	Scm Corp	Typing machine key action
US4188137A (en) *	1977-12-12	1980-02-12	Scm Corporation	Low silhouette keyboard

1978
- 1978-10-11 US US05/950,482 patent/US4269521A/en not_active Expired - Lifetime
1979
- 1979-10-10 IT IT26375/79A patent/IT1125477B/it active
- 1979-10-10 CA CA337,287A patent/CA1130747A/en not_active Expired
- 1979-10-10 SE SE7908402A patent/SE7908402L/ not_active Application Discontinuation
- 1979-10-10 GB GB7935175A patent/GB2033303B/en not_active Expired
- 1979-10-11 BR BR7906606A patent/BR7906606A/pt unknown
- 1979-10-11 FR FR7925345A patent/FR2438545A1/fr not_active Withdrawn
- 1979-10-11 DE DE19792941309 patent/DE2941309A1/de not_active Ceased
- 1979-10-11 NL NL7907554A patent/NL7907554A/nl not_active Application Discontinuation
- 1979-10-11 JP JP13129179A patent/JPS5556317A/ja active Pending

Also Published As

Publication number	Publication date
DE2941309A1 (de)	1980-04-17
NL7907554A (nl)	1980-04-15
BR7906606A (pt)	1980-06-17
IT7926375A0 (it)	1979-10-10
GB2033303B (en)	1982-10-27
CA1130747A (en)	1982-08-31
FR2438545A1 (fr)	1980-05-09
IT1125477B (it)	1986-05-14
JPS5556317A (en)	1980-04-25
GB2033303A (en)	1980-05-21
US4269521A (en)	1981-05-26

Legal Events

Date

Code

Title

Description

1995-02-28

NAV

Patent application has lapsed

Ref document number: 7908402-6

Format of ref document f/p: F

Publication	Publication Date	Title
TW367515B (en)	1999-08-21	Key switch
SE7908402L (sv)	1980-04-12	Tangentmekanism med sneppverkan
ES422675A1 (es)	1976-04-16	Un dispositivo actuador de disparo magnetico en o para un disyuntor.
ES348719A1 (es)	1969-03-16	Un dispositivo accionador de martillo impresor.
US3157264A (en)	1964-11-17	Typewriter employing slides to removably and magnetically hold individual type elements
GB1196018A (en)	1970-06-24	Keyboard.
US2672765A (en)	1954-03-23	Lever key
GB1018502A (en)	1966-01-26	Improvements relating to roller latches
ES329518A1 (es)	1967-05-16	Dispositivo de escribir.
US3842737A (en)	1974-10-22	Printer
JPS5383735A (en)	1978-07-24	Release member operating mechanism for electromagnetic release device
ES8102010A1 (es)	1980-12-16	Un mecanismo retractil para un elemento de escritura
SE7714296L (sv)	1978-06-21	Anordning vid tangentbord
FR1177736A (fr)	1959-04-29	Dispositif destiné à régler la force de frappe des caractères sur des machines à écrire, des machines comptables et des machines similaires à entraînement automatique
US2807345A (en)	1957-09-24	Mechanism for actuating a type bar drive
GB900146A (en)	1962-07-04	Improvements in or relating to latching devices
GB832775A (en)	1960-04-13	An electromagnetic switching device
GB848015A (en)	1960-09-14	Improvements in type bar actuating mechanism for typewriters
FR2399116A1 (fr)	1979-02-23	Interrupteur limiteur de courant
GB917126A (en)	1963-01-30	Improvements in or relating to latching mechanisms
GB784361A (en)	1957-10-09	Improvements in thermostat casing structures
GB726902A (en)	1955-03-23	Improvements in or relating to snap action electric switches
ATE24946T1 (de)	1987-01-15	Tuerfeststeller.
SU695849A1 (ru)	1979-11-05	Механизм печатающей головки
GB935474A (en)	1963-08-28	Improvements in or relating to key controlled switching devices