CN1204415A - Lightweight video cassette cartridge - Google Patents
Lightweight video cassette cartridge Download PDFInfo
- Publication number
- CN1204415A CN1204415A CN 96198892 CN96198892A CN1204415A CN 1204415 A CN1204415 A CN 1204415A CN 96198892 CN96198892 CN 96198892 CN 96198892 A CN96198892 A CN 96198892A CN 1204415 A CN1204415 A CN 1204415A
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- CN
- China
- Prior art keywords
- video cassette
- image
- reel
- panel
- cassette cartridge
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- 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.)
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Abstract
A video cassette cartridge includes a cartridge shell and an outer structural frame that is secured to the front face of the cartridge shell for significantly increasing the rigidity of the cartridge shell without adding excessive weight to the video cassette cartridge.
Description
Invention field
The present invention relates to a kind of by lightweight, can repeat to recycle that material forms is cheap and for the video cassette cartridge of limited use.More particularly, the present invention relates to a kind of lightweight video cassette cartridge, it includes one and can improve the rigidity of lightweight video cassette cartridge greatly and do not increase the external structure framework of too much weight.
Background of invention
The increasing sharply and be diffused as the image-tape advertisement and information has been created a new market of cassette image-tape player and video recorder.This new market has been created one to be suitable for posting cheap and the huge demand for the video cassette cartridge of limited use of lightweight.These cassette image-tapes also are suitable for non-commercially recording as public service announcement and sending family and friend's personal information etc. to.
The video cassette cartridge for limited use of lightweight is a prior art.Yet many traditional lightweight video cassette cartridge designs are very poor and structural rigidity is not enough.For example, the video cassette cartridge of prior art generally includes the cassette shell that a top panel that is closed by pair of matched and bottom panel form.These two panels are connected by a plurality of support columns or cramp bar usually.A pair of image-tape reel is contained between these two panels and is used to the image-tape of reeling.
This prior art constructions since support column must be at interval one enough apart from so that for the image-tape reel provides the space, so enough structural rigidities can not be provided.This just makes the fragile rapid wear of finished product video cassette cartridge.The structure of this fragile rapid wear can not be worked owing to generally damage in handling process, thereby has hindered advertiser and consumer to make full use of traditional lightweight video cassette cartridge.For example, because lightweight video cassette cartridge posts often, they will be subjected to moving thicker handling process.Because the design of traditional lightweight video cassette cartridge is very poor, the result is often fracture or the dislocation in carrying and mailing process of its support column.
The applicant has developed some improved lightweight video cassette cartridges, and these improved lightweight video cassette cartridges provide bigger propelling for the video cassette cartridge technology.For example draw the United States Patent (USP) 5,398,881 of making the contrast file and disclosed a kind of lightweight video cassette cartridge with structure that improved structural rigidity is provided at this.The present invention then discloses another kind of improved lightweight video cassette cartridge, and this improved lightweight video cassette cartridge has novel structure, has further improved the rigidity of video cassette cartridge.
Brief summary of the invention and purpose
In view of the above-mentioned shortcoming of prior art video cassette cartridge, the object of the present invention is to provide a kind of to making and post the video cassette cartridge of all comparatively cheap improved lightweight for limited use.
Another object of the present invention is to provide the video cassette cartridge of a kind of lightweight for limited use, the video cassette cartridge of the limited use of this lightweight has enough rigidity to bear thicker carrying of action and mailing.
A further object of the present invention is to provide the video cassette cartridge of the limited use of a kind of lightweight, and the video cassette cartridge of the limited use of this lightweight comprises that one is improved the rigidity of video cassette cartridge greatly and do not make the image-tape box increase the external structure framework of too much weight.
According to these purposes with by to the following description of preferred embodiment of the present invention and conspicuous other purpose the invention provides a kind of improved lightweight video cassette cartridge.This preferable lightweight video cassette cartridge consists essentially of a case type shell with relative front and back and relative two sides, the a pair of image-tape reel that is installed in rotation in this case type shell, and one be fixed in the external structure framework of this case type shell with the structural rigidity that improves this image-tape box greatly.
More particularly, described external structure framework comprises that one has the elongated front panel and a pair of elongated side panel from the horizontal expansion of described front panel end margin at axial opposed end edge.Described external structure framework is fixed between the cassette shell and is fixed on this shell, the part front surface of the topped formula shell of the front panel of external structure framework, the part side of the then topped cassette shell of its side panel.In preferred versions, the front panel of external structure framework and side panel are integrally formed and are formed by synthetic resin material injection molding.
Make a kind of lightweight video cassette cartridge as described herein and can have many advantages.For example, by an external structure framework that is fixed in the cassette shell is provided, improved the overall stiffness of this lightweight video cassette cartridge greatly.When being fixed in the cassette shell, the monoblock type underframe that the external structure framework provides this outer casing component of supporting to use.The monoblock type underframe has improved the rigidity of this lightweight video cassette cartridge greatly and has not increased too much weight.This just provides a kind of and has been suitable for limited use applied field and merges and can bear the lightweight video cassette cartridge of thicker carrying and mailing.
The accompanying drawing simple declaration
Followingly specifically describe preferred embodiment of the present invention with reference to accompanying drawing, wherein:
Fig. 1 is the three-dimensional exploded view according to a lightweight video cassette cartridge of one first embodiment manufacturing of the present invention; And
Fig. 2 is the three-dimensional exploded view according to a lightweight video cassette cartridge of one second embodiment manufacturing of the present invention.
Preferred embodiment specifically describes
With reference to accompanying drawing Fig. 1 particularly, a lightweight video cassette cartridge 10 of making according to one first embodiment of the present invention shown in it.This image-tape box 10 is designed to and can uses with a traditional cartridge VTR (VCR), it consists essentially of a top panel 12, one bottom panel 14, be used to support the supporting member 16 that top panel 12 and bottom panel 14 make it to be spaced apart from each other, the a pair of image-tape reel 18 that rotatably is fixed on the video-tape that is used between top panel 12 and the bottom panel 14 to reel, and one be fixed in the external structure framework 20 of cassette shell with the structural rigidity that improves lightweight video cassette cartridge 10 greatly.
More particularly, top panel 12, one bottom panels 14, and supporting member 16 formation one have a front, the cassette shell of a back and two relative side.Top panel 12 and bottom panel 14 are generally rectangle, preferably cut out with mould from an opening and closing resin sheet of material.Bottom panel 14 comprises a pair of opening 22 that is used to accept the VCR drive shaft.This opening 22 is aimed at image-tape reel 18, so that the VCR drive shaft can engage and rotate image-tape reel 18.The front of bottom panel 14 comprises that also one is used for the fluting portion 24 as the passage of VCR driven unit.
The part all around that forms opening 22 on bottom panel 14 inside surfaces has certain texture structure.As described below, these veined parts match with texture part on the image-tape reel 18, with provide one at image-tape box 10 the time spent is not forbidden the friction braking system that image-tape reel 18 rotates.
Supporting member 16 is used for supporting and make them to be spaced apart from each other to top panel 12 and bottom panel 14.In assembling during lightweight video cassette cartridge 10, fulcrum arrangement 16, top panel 12 and bottom panel 14 have formed a cassette shell with the internal cavities that is used to accept image-tape reel 18 and the image-tape on the reel.
As shown in Figure 1, the supporting member 16 of first embodiment of the invention comprises a plurality of support columns that are contained between cassette enclosure cavity inner top surface plate 12 and the bottom panel 14.These support columns are preferably formed by the synthetic resin material and can be solid or hollow.These support columns are horizontal expansion and best and top panel 12 or bottom panel 14 bondings or integrally formed between top panel 12 and bottom panel 14.Will be at first be fixed on above the support column with traditional cementing agent then with the panel of support column bonding.
Fig. 2 shows one second embodiment of the present invention, and wherein supporting member 16 is replaced by a solid construction spare 116 that is contained in the cassette enclosure cavity.The spaced relationship that this solid construction spare 116 keeps between top panel 12 and the bottom panel 14, and make lightweight video cassette cartridge 10 increase a considerable amount of additional rigidity.
The cornstarch that solid construction spare 116 is preferably handled by monoblock light material such as styrofoam, cardboard, synthetic resin, expansion or foam, carbon fiber or glass fibre are made.Keep its size simultaneously for reducing weight, solid construction spare 116 also can be formed by cellular or corrugated interlayer.
The thickness of solid member 116 is more than or equal to the height of image-tape reel 18.In preferable form, the volume of solid construction spare 116 nearly equates with the volume of cassette enclosure cavity.Therefore, solid construction spare 116 is full of the whole volume of cassette enclosure cavity basically.
As shown in Figure 2, solid construction spare 116 comprises that a pair of design of a pair of formation is used to accept the circular open 26 of the reel wellhole of image-tape reel 18.Solid construction spare 116 also comprises the outer can load and unload the passage 28 of image-tapes from image-tape reel 18 of circular reel wellhole of a pair of connection and cassette shell 10.
Top panel 12 and bottom panel 14 the most handy traditional bindings such as adhesive or adhesive tape are fixed in solid construction spare 116.Perhaps, cassette shell 10 can comprise the pin that is formed on top panel 12 and the bottom panel 14, and these pins pass that solid construction spare 116 is connected to each other together so that top panel 12 and bottom panel 14 interlockings.
The whole surf zone of 116 pairs of top panels 12 of solid construction spare and bottom panel 14 supports.Therefore, the lightweight video cassette cartridge 10 that assembles has quite high rigidity.This makes video cassette cartridge 10 can bear thicker carrying of action and mailing.And because solid construction spare 116 is to be made of light material, the lightweight video cassette cartridge 10 that assembles is lighter than the lightweight video cassette cartridge of prior art greatly.
Image-tape reel 18 is rotatably installed in the circular reel wellhole to twine image-tape.Each reel includes around a upper flange 30 and the lower flange 32 of drum (drum) 34 of central authorities.In preferred versions, flange 30,32 and central drum 34 are integrally formed in a thermoforming molding process.
The lower flange 32 of image-tape reel 18 has the texture part that engages with the texture part of bottom panel 14.These texture parts provide a friction braking system, and need not a common brake system of the common the sort of complexity that arrives in the lightweight video cassette cartridge of prior art.
In preferred versions, front panel 36 and side panel 38 are to form by synthetic resin material injection molding is whole.Injection molding can make external structure framework 20 form in accurate tolerance, thereby it is cooperated with the front and the side fastening ground of cassette shell.
As shown in the figure, front panel 36 comprises a V-shape portion that extends internally 40.The profile phase of the front of the profile of this front panel 36 and solid member 116 with and comprise that pair of openings 42, this opening are aimed at the passage 28 in the solid member 116 image-tape can be packed in the cassette shell and withdraw from.
The right side of this front panel 36 comprises the wall portion 44 of one one-tenth inside angle, and it act as and image-tape is imported and derive corresponding circular reel wellhole, and provides extra supporting for the top panel 12 and the bottom panel 14 of cassette shell.Similarly, the left side of this front panel 36 comprises a guidepost 46, and it act as and image-tape is imported and derive corresponding circular reel wellhole, and provides extra supporting for the top panel 12 and the bottom panel 14 of cassette shell.Angled wall portion 44 and guidepost 46 the most handy friction resistant band covers are multiple so that image-tape more easily slips into and skid off image-tape box 10.The roller action of using in angled wall portion 44 and guidepost 46 and the prior art image-tape box is identical, but since they integrally form, so can save manufacturing time and cost.
Lightweight video cassette cartridge 10 comprises that also a back structural framing spare 48 that is fixed on the end of side panel 38 thinks that lightweight video cassette cartridge 10 increases extra rigidity.Back structural framing spare 48 is preferably also by synthetic resin material injection molding.
Lightweight video cassette cartridge 10 also comprises the reel spring 50 on a pair of inside surface that is fixed on top panel 12, this reel spring be designed to when image-tape reel 18 be subjected to one come by the transmission of VCR main shaft the power that makes progress the time, can on image-tape reel 18, apply a downward power.This reel spring 50 makes image-tape reel 18 keep aiming in image-tape box 10.Each reel spring 50 comprises the coil component spring portion 54 that a rigid disc 52 that is formed by plastics or other similar material and is formed by lightweight sponge material or scum rubber.The thickness of this coil component spring portion 54 is preferably the 1/8-1/4 inch.
Coil component spring portion 54 an end face to be bonded in the inner side of top panel 12 relative with circular reel wellhole.The other end then bonds with rigid disc 52.Therefore, rigid disc 52 contacts with image-tape reel 18, and when image-tape box 10 used, coil component spring portion 54 applied downward biasing force to image-tape reel 18.
When the VCR drive shaft upwards pushed away image-tape reel 18, coil component spring portion 54 slightly was compressed.Compressed spring portion 54 provides an opposite relatively power and keeps reel to aim on image-tape reel 18.
Lightweight video cassette cartridge 10 also can comprise a dismountable dust cap (not shown), and this dustproof slip lid is on the front surface of cassette shell, so that the time spent does not protect the image-tape that exposes not stain or damage at the image-tape box.
Though abovely with reference to preferred embodiment shown in the accompanying drawing the present invention is described, what should be noted that is, under the situation of the invention scope that does not break away from claims defined, can also adopt all equivalents and can carry out all replacements or substitute.
Below preferred embodiment of the present invention is described, content wherein new and that need to be protected by patent is included in the following claim.
Claims (17)
1. lightweight video cassette cartridge that uses in one player/video recorder comprises:
One top panel;
One bottom panel; And
Being used to support described top panel and bottom panel is spaced apart from each other them to have the cassette shell of relative front-back and two relative side and form the fulcrum arrangement of an internal cavities between described top panel and bottom panel to form one;
A pair of being installed in rotation in the described internal cavities to twine the image-tape reel of image-tape;
One is fixed on the part of described cassette shell front and described side and between described top panel and bottom panel and extends to improve the external structure framework of described cassette shell rigidity.
2. lightweight video cassette cartridge as claimed in claim 1 is characterized in that, described external structure framework comprises the elongated side panel of an elongated front panel and a pair of opposite end horizontal expansion from described front panel.
3. lightweight video cassette cartridge as claimed in claim 2 is characterized in that, comprises a pair of opening that makes image-tape can send into and send described cassette shell in described external structure framework front panel.
4. lightweight video cassette cartridge as claimed in claim 1, it is characterized in that, described fulcrum arrangement is included in a plurality of support columns in the described internal cavities, this support column in horizontal expansion between described top panel and the bottom panel to keep the spaced apart relation between described top panel and the bottom panel.
5. lightweight video cassette cartridge as claimed in claim 1, it is characterized in that, described fulcrum arrangement comprise one in described internal cavities to keep the solid construction spare of the spaced-apart relationship between described top panel and the bottom panel, the volume of described solid construction spare equals the volume of described internal cavities nearly, and includes and form a pair of wall that is used to accept the circular reel wellhole of described image-tape reel.
6. lightweight video cassette cartridge as claimed in claim 5 is characterized in that, described solid construction spare is to be formed by styrofoam.
7. lightweight video cassette cartridge as claimed in claim 5 is characterized in that, described solid construction spare is to be formed by cardboard.
8. lightweight video cassette cartridge as claimed in claim 5 is characterized in that, described solid construction spare is to be formed by the synthetic resin material.
9. lightweight video cassette cartridge as claimed in claim 5, it is characterized in that, also comprise be used for described lightweight video cassette cartridge not the time spent forbid the rotation inhibiting apparatus that described image-tape reel rotates in described circular reel wellhole, described rotation inhibiting apparatus is integrally formed on described circular reel well and described image-tape reel.
10. lightweight video cassette cartridge as claimed in claim 9 is characterized in that, described rotation inhibiting apparatus by one on described circular reel wellhole and described image-tape reel Unitarily molded texture structure surface institute formed.
11. lightweight video cassette cartridge as claimed in claim 5, it is characterized in that described solid construction spare comprises that a pair of and described circular reel wellhole is connected and aims at so that the passage that image-tape could be sent into and send described cassette shell and load and unload from described image-tape reel with the described opening of described outside framework spare front panel.
12. lightweight video cassette cartridge as claimed in claim 5, it is characterized in that, described bottom panel comprises the opening that a pair of and described circular reel wellhole is aimed at, and the diameter of described opening is less than the diameter of described circular reel wellhole, so that described image-tape reel is remained in the described circular reel wellhole.
13. a lightweight video cassette cartridge that uses in one player/video recorder comprises:
One has the cassette shell of relative front-back and relative two sides, and described cassette shell comprises:
One top panel;
One bottom panel; And
Be used to support described top panel and bottom panel they be spaced apart from each other forming the fulcrum arrangement of an internal cavities betwixt, described fulcrum arrangement comprise a plurality of in described internal cavities and in described top panel and bottom panel horizontal expansion to keep the support column of the spaced-apart relationship between described top panel and the bottom panel;
A pair of being installed in rotation in the described internal cavities to twine the image-tape reel of image-tape;
One is fixed in described cassette shell to improve the external structure framework of described cassette shell rigidity, and described external structure framework comprises that one has axially relative elongated front panel end edge, that be fixed in described cassette Wai Chu front and a pair of from a part of elongated sides panel horizontal expansion of described front panel end edge, that be fixed in described cassette shell side.
14. lightweight video cassette cartridge as claimed in claim 13, it is characterized in that, also comprise a pair of being contained on the described top panel keeping described image-tape reel to aim at and the reel spring of position, the reel junction surface and that each of described reel spring includes a rigidity be used for the reel junction surface of described rigidity towards described image-tape reel one of the compressible bias voltage portion that setovers.
15. lightweight video cassette cartridge as claimed in claim 14 is characterized in that, described offset part is to be formed by foam rubber material.
16. lightweight video cassette cartridge as claimed in claim 15 is characterized in that, described offset part is to be formed by sponge material.
17. lightweight video cassette cartridge as claimed in claim 15 is characterized in that, described offset part is to be formed by elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96198892 CN1204415A (en) | 1995-11-06 | 1996-09-17 | Lightweight video cassette cartridge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/554,080 | 1995-11-06 | ||
| CN 96198892 CN1204415A (en) | 1995-11-06 | 1996-09-17 | Lightweight video cassette cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1204415A true CN1204415A (en) | 1999-01-06 |
Family
ID=5129198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96198892 Pending CN1204415A (en) | 1995-11-06 | 1996-09-17 | Lightweight video cassette cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1204415A (en) |
-
1996
- 1996-09-17 CN CN 96198892 patent/CN1204415A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |