CA1125912A - Torsion door spring for a videocassette - Google Patents

Torsion door spring for a videocassette

Info

Publication number
CA1125912A
CA1125912A CA319,974A CA319974A CA1125912A CA 1125912 A CA1125912 A CA 1125912A CA 319974 A CA319974 A CA 319974A CA 1125912 A CA1125912 A CA 1125912A
Authority
CA
Canada
Prior art keywords
door
housing
tape
reels
end portion
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
Application number
CA319,974A
Other languages
English (en)
French (fr)
Inventor
Clyde V. Peterson
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of CA1125912A publication Critical patent/CA1125912A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/041—Details
    • G11B23/045—Covers

Landscapes

  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Casings For Electric Apparatus (AREA)
CA319,974A 1978-02-06 1979-01-19 Torsion door spring for a videocassette Expired CA1125912A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US875,523 1978-02-06
US05/875,523 US4130221A (en) 1978-02-06 1978-02-06 Torsion spring door for a videocassette

Publications (1)

Publication Number Publication Date
CA1125912A true CA1125912A (en) 1982-06-15

Family

ID=25365955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA319,974A Expired CA1125912A (en) 1978-02-06 1979-01-19 Torsion door spring for a videocassette

Country Status (9)

Country Link
US (1) US4130221A (OSRAM)
JP (1) JPS54114226A (OSRAM)
AT (1) AT359303B (OSRAM)
AU (1) AU530668B2 (OSRAM)
CA (1) CA1125912A (OSRAM)
CH (1) CH641910A5 (OSRAM)
DE (2) DE7903050U1 (OSRAM)
FR (1) FR2416527A1 (OSRAM)
GB (1) GB2015475B (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045084B1 (en) * 1980-07-28 1986-03-12 Hitachi Maxell Ltd. Magnetic recording tape cartridge
US4418851A (en) * 1981-11-27 1983-12-06 Tafco Equipment Company Vehicle spare tire carrier
AT376515B (de) * 1981-12-01 1984-11-26 Staar Sa Miniatur-videobandkassette
US4520970A (en) * 1983-10-03 1985-06-04 Kennedy Company Cartridge tape drive having vacuum auto-threading
US4670809A (en) * 1985-06-19 1987-06-02 Minnesota Mining And Manufacturing Company Door hinge for a videocassette
US4920440A (en) * 1988-12-22 1990-04-24 Ampex Corporation Composite lid assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB930046A (en) * 1961-03-28 1963-07-03 Cecil James Watkins Improvements in or relating to door closing devices
US3187925A (en) * 1962-10-31 1965-06-08 Model Builders Inc Self-closing container
GB1307821A (en) * 1969-03-14 1973-02-21 Rca Corp Web cartridge
US3697014A (en) * 1970-11-27 1972-10-10 Alan B Lowry Tape handling mechanism for computer
JPS5134272Y2 (OSRAM) * 1971-04-22 1976-08-24
GB1450744A (en) * 1973-02-01 1976-09-29 Sony Corp Magnetic tape cassettes
JPS5529511B2 (OSRAM) * 1974-12-03 1980-08-04
US4083472A (en) * 1975-12-04 1978-04-11 Minnesota Mining And Manufacturing Company Tape cartridge with hinged housing sections

Also Published As

Publication number Publication date
AT359303B (de) 1980-11-10
DE2904214A1 (de) 1979-09-06
ATA82679A (de) 1980-03-15
JPS54114226A (en) 1979-09-06
JPS622382B2 (OSRAM) 1987-01-19
DE2904214C2 (OSRAM) 1988-03-17
FR2416527A1 (fr) 1979-08-31
FR2416527B1 (OSRAM) 1983-05-27
GB2015475B (en) 1982-06-30
DE7903050U1 (de) 1979-09-13
US4130221A (en) 1978-12-19
CH641910A5 (de) 1984-03-15
GB2015475A (en) 1979-09-12
AU530668B2 (en) 1983-07-28
AU4391379A (en) 1979-08-16

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Legal Events

Date Code Title Description
MKEX Expiry