CA1300259C - Flat spring structure for magnetic tape cassettes, in particular video cassettes - Google Patents
Flat spring structure for magnetic tape cassettes, in particular video cassettesInfo
- 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
Links
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 230000010355 oscillation Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 241000518994 Conta Species 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT24219B/86 | 1986-12-23 | ||
| 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. |
| 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)
Families Citing this family (20)
| 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 |
| GB2235180B (en) * | 1989-08-30 | 1993-09-22 | Gold Star Co | Reel supporting leaf spring of a video tape cassette |
| 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 |
| JP4697334B2 (ja) * | 2008-02-06 | 2011-06-08 | パナソニック株式会社 | プラズマディスプレイ装置 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE203302C (US07498051-20090303-C00003.png) * | ||||
| JPS5671865A (en) * | 1979-11-16 | 1981-06-15 | Nishi Nippon Bane Seisakusho:Kk | Reel supporting plate spring for video cassette |
| EP0030367A1 (en) * | 1979-12-06 | 1981-06-17 | Hitachi Maxell Ltd. | Magnetic recording tape cassette |
| JPS6215906Y2 (US07498051-20090303-C00003.png) * | 1980-07-28 | 1987-04-22 | ||
| EP0060497B1 (en) * | 1981-03-11 | 1985-10-02 | Hitachi Maxell Ltd. | Magnetic recording tape cartridge |
| JPS58118069A (ja) * | 1981-12-29 | 1983-07-13 | Iwata Denko Kk | カセツト用リ−ルスプリングの製造方法 |
| 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 |
| DE8335294U1 (de) * | 1983-12-09 | 1984-03-22 | Basf Ag, 6700 Ludwigshafen | Andruckfeder für Bandkassetten und Bandkassetten damit |
| DE8335295U1 (de) * | 1983-12-09 | 1984-05-03 | Basf Ag, 6700 Ludwigshafen | Andruckfeder fuer bandkassetten |
| JPH0750547B2 (ja) * | 1984-02-10 | 1995-05-31 | 松下電器産業株式会社 | テープカセツト |
| DE8418179U1 (de) * | 1984-06-15 | 1985-01-31 | Basf Ag, 6700 Ludwigshafen | Bandkassette mit andruckfeder |
| DE8418178U1 (de) * | 1984-06-15 | 1985-01-03 | Basf Ag, 6700 Ludwigshafen | Bandkassette, insbesondere video-magnetbandkassette mit mindestens einer 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 |
-
1987
- 1987-12-08 US US07/130,254 patent/US4899243A/en not_active Expired - Lifetime
- 1987-12-11 EP EP87118392A patent/EP0272556B1/en not_active Expired - Lifetime
- 1987-12-11 ES ES198787118392T patent/ES2035024T3/es not_active Expired - Lifetime
- 1987-12-11 DE DE8787118392T patent/DE3782017T2/de not_active Expired - Fee Related
- 1987-12-18 PT PT86404A patent/PT86404B/pt not_active IP Right Cessation
- 1987-12-18 BR BR8706918A patent/BR8706918A/pt unknown
- 1987-12-22 SU SU874203935A patent/SU1655307A3/ru active
- 1987-12-22 CA CA000555069A patent/CA1300259C/en not_active Expired - Fee Related
- 1987-12-22 YU YU02358/87A patent/YU235887A/xx unknown
- 1987-12-23 CN CN87101218.9A patent/CN1010135B/zh not_active Expired
- 1987-12-23 JP JP62324198A patent/JP2565520B2/ja not_active Expired - Lifetime
- 1987-12-23 MX MX009921A patent/MX172177B/es unknown
-
1992
- 1992-11-05 GR GR920402500T patent/GR3006179T3/el unknown
-
1996
- 1996-12-19 HK HK217396A patent/HK217396A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0272556A2 (en) | 1988-06-29 |
| PT86404B (pt) | 1993-08-31 |
| YU235887A (en) | 1989-10-31 |
| SU1655307A3 (ru) | 1991-06-07 |
| DE3782017D1 (en) | 1992-11-05 |
| MX172177B (es) | 1993-12-07 |
| JPH0287382A (ja) | 1990-03-28 |
| BR8706918A (pt) | 1988-07-26 |
| CN1010135B (zh) | 1990-10-24 |
| DE3782017T2 (de) | 1993-02-18 |
| HK217396A (en) | 1996-12-27 |
| EP0272556A3 (en) | 1989-08-23 |
| EP0272556B1 (en) | 1992-09-30 |
| US4899243A (en) | 1990-02-06 |
| US4899243B1 (US07498051-20090303-C00003.png) | 1992-10-13 |
| JP2565520B2 (ja) | 1996-12-18 |
| ES2035024T3 (es) | 1993-04-16 |
| PT86404A (pt) | 1989-01-17 |
| CN87101218A (zh) | 1988-07-06 |
| GR3006179T3 (US07498051-20090303-C00003.png) | 1993-06-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |