CA1300259C - Flat spring structure for magnetic tape cassettes, in particular video cassettes - Google Patents

Flat spring structure for magnetic tape cassettes, in particular video cassettes

Info

Publication number
CA1300259C
CA1300259C CA000555069A CA555069A CA1300259C CA 1300259 C CA1300259 C CA 1300259C CA 000555069 A CA000555069 A CA 000555069A CA 555069 A CA555069 A CA 555069A CA 1300259 C CA1300259 C CA 1300259C
Authority
CA
Canada
Prior art keywords
cover
lamina
flat spring
zone
spring structure
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 - Fee Related
Application number
CA000555069A
Other languages
English (en)
French (fr)
Inventor
Abramo Bordignon
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.)
KOLLER GROUP Inc (THE)
Original Assignee
ATB SpA
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
Priority claimed from IT2421986U external-priority patent/IT210553Z2/it
Priority claimed from IT2421886U external-priority patent/IT210573Z2/it
Application filed by ATB SpA filed Critical ATB SpA
Application granted granted Critical
Publication of CA1300259C publication Critical patent/CA1300259C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
    • G11B23/08707—Details
    • G11B23/08728—Reels or cores; positioning of the reels in the cassette

Landscapes

  • Springs (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
CA000555069A 1986-12-23 1987-12-22 Flat spring structure for magnetic tape cassettes, in particular video cassettes Expired - Fee Related CA1300259C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IT2421986U IT210553Z2 (it) 1986-12-23 1986-12-23 Struttura di molla a lamina per cassetta di nastro magnetico, in particolare videocassette.
IT2421886U IT210573Z2 (it) 1986-12-23 1986-12-23 Struttura di molla a lamina per cassette di nastro magnetico, in particolare videocassette.
IT24219B/86 1986-12-23
IT24218B/86 1986-12-23

Publications (1)

Publication Number Publication Date
CA1300259C true CA1300259C (en) 1992-05-05

Family

ID=26328484

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000555069A Expired - Fee Related CA1300259C (en) 1986-12-23 1987-12-22 Flat spring structure for magnetic tape cassettes, in particular video cassettes

Country Status (14)

Country Link
US (1) US4899243A (instruction)
EP (1) EP0272556B1 (instruction)
JP (1) JP2565520B2 (instruction)
CN (1) CN1010135B (instruction)
BR (1) BR8706918A (instruction)
CA (1) CA1300259C (instruction)
DE (1) DE3782017T2 (instruction)
ES (1) ES2035024T3 (instruction)
GR (1) GR3006179T3 (instruction)
HK (1) HK217396A (instruction)
MX (1) MX172177B (instruction)
PT (1) PT86404B (instruction)
SU (1) SU1655307A3 (instruction)
YU (1) YU235887A (instruction)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4773615A (en) * 1987-03-25 1988-09-27 Carroll William M Magnetic tape cassettes
US5263659A (en) * 1987-03-25 1993-11-23 The Koller Group, Inc. Reel spring for magnetic tape cassettes
DE8903934U1 (de) * 1989-03-31 1989-08-24 Basf Ag, 6700 Ludwigshafen Andruckfeder für Bandkassetten und Bandkassetten damit
US5121276A (en) * 1989-04-26 1992-06-09 Minnesota Mining And Manufacturing Company Insertable tape cartridge for videocassette having a reel restraining member
CA2012911A1 (en) * 1989-04-26 1990-10-26 James E. Skavnak Insertable tape cartridge for videocassette
NL190428C (nl) * 1989-08-30 1994-02-16 Gold Star Co Bladveer voor het steunen van de toevoer- en opneemspoelen van een videobandcassette.
KR910007876Y1 (ko) * 1989-09-16 1991-10-07 주식회사 에스 케이 씨 비디오 테이프 카세트의 릴지지용 스프링
US5110228A (en) * 1989-12-20 1992-05-05 Mitsubishi Kasei Corporation Cassette with a loosening prevention mechanism
US5005780A (en) * 1990-01-02 1991-04-09 Koller Manufacturing Corporation Reel spring for magnetic tape cassettes
JP2626129B2 (ja) * 1990-02-21 1997-07-02 松下電器産業株式会社 テープカセット
FR2660100A1 (fr) * 1990-03-16 1991-09-27 Seung Kyong Electronics Co Ltd Ressort support pour cassette de bande video.
US5332172A (en) * 1990-08-06 1994-07-26 Minnesota Mining And Manufacturing Company Tapered reel pressure spring
KR920005944Y1 (ko) * 1990-09-18 1992-08-27 유한전자 주식회사 비디오 테이프의 릴스프링 구조
JP2564572Y2 (ja) * 1991-08-23 1998-03-09 富士写真フイルム株式会社 磁気テープカセット
KR940006340B1 (ko) * 1992-01-10 1994-07-18 한국과학기술원 액정 선편광기
JP2576846Y2 (ja) * 1992-06-04 1998-07-16 ティーディーケイ株式会社 テープカセット
US5484117A (en) * 1994-03-31 1996-01-16 Minnesota Mining And Manufacturing Company Reel spring for a thin-walled videocassette
JPH10503873A (ja) * 1994-08-09 1998-04-07 ジェイソン・インコーポレーテッド 被覆磁気テープカセットスプリング
US6910656B2 (en) 2003-02-20 2005-06-28 Eastman Kodak Company Ink ribbon cartridge with leaf spring and method of assembling the same
KR101088198B1 (ko) * 2008-02-06 2011-11-30 파나소닉 주식회사 플라즈마 디스플레이 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE203302C (instruction) *
US4368860A (en) * 1979-12-06 1983-01-18 Hitachi Maxell, Ltd. Magnetic recording tape cassette
JPS6215906Y2 (instruction) * 1980-07-28 1987-04-22
EP0060497B1 (en) * 1981-03-11 1985-10-02 Hitachi Maxell Ltd. Magnetic recording tape cartridge
JPS5945787U (ja) * 1982-09-17 1984-03-27 ソニー株式会社 テ−プカセツト
JPS5950083U (ja) * 1982-09-22 1984-04-03 松下電器産業株式会社 テ−プカセツト
DE8335295U1 (de) * 1983-12-09 1984-05-03 Basf Ag, 6700 Ludwigshafen Andruckfeder fuer bandkassetten
DE8335294U1 (de) * 1983-12-09 1984-03-22 Basf Ag, 6700 Ludwigshafen Andruckfeder für Bandkassetten und Bandkassetten damit
DE8418178U1 (de) * 1984-06-15 1985-01-03 Basf Ag, 6700 Ludwigshafen Bandkassette, insbesondere video-magnetbandkassette mit mindestens einer andruckfeder
DE8418179U1 (de) * 1984-06-15 1985-01-31 Basf Ag, 6700 Ludwigshafen Bandkassette mit andruckfeder
JPS6145781U (ja) * 1984-08-29 1986-03-26 日本発条株式会社 Ｖｔｒカセツトのリ−ル押え用ばね板
US4662579A (en) * 1985-08-16 1987-05-05 Shape Inc. Coined reel leaf spring for a video tape cassette
US4770367A (en) * 1987-03-25 1988-09-13 Carroll William M Magnetic tape cassettes

Also Published As

Publication number Publication date
MX172177B (es) 1993-12-07
HK217396A (en) 1996-12-27
CN87101218A (zh) 1988-07-06
US4899243A (en) 1990-02-06
PT86404A (pt) 1989-01-17
SU1655307A3 (ru) 1991-06-07
JPH0287382A (ja) 1990-03-28
GR3006179T3 (instruction) 1993-06-21
DE3782017T2 (de) 1993-02-18
ES2035024T3 (es) 1993-04-16
EP0272556A2 (en) 1988-06-29
US4899243B1 (instruction) 1992-10-13
CN1010135B (zh) 1990-10-24
PT86404B (pt) 1993-08-31
EP0272556A3 (en) 1989-08-23
BR8706918A (pt) 1988-07-26
YU235887A (en) 1989-10-31
JP2565520B2 (ja) 1996-12-18
EP0272556B1 (en) 1992-09-30
DE3782017D1 (en) 1992-11-05

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Legal Events

Date Code Title Description
MKLA Lapsed