JPS58143474A - Adapter for tape cassette - Google Patents

Abstract

PURPOSE:To use a small-sized cassette for a previous large-sized cassette VTR in safety by providing a recessed part in the external surface of an adapter inwardly, and embedding a manual operation member therein and loading a tape manually through an opening part. CONSTITUTION:In the external surface 8 of the adapter 1, the recessed part 89 for embedding a knob 12 more inside than the external circumferential part 8 is provided, and the knob 12 with a loading reset button 13 is stored therein. When the knob 12 is slid after the small-sized cassette 2 is set in the adapter 1, a sliding lever where the knob 12 is fixed is slid to perform tape loading in the adapter and a sliding lever is held there. For unloading, the button 13 is pressed to release the sliding lever from being held and the lever returns to its original state.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides an adapter device for tape power running, such as an existing large cassette VYIL (video tape recorder), which enables the use of a new small III cassette. Concerning an adapter device for tape/tight ceramics.

Conventional strength Nanatsushi style massager! 1, there are various methods, and the size of the cassette F is also various, so you can use different types of cassettes of various sizes! 1 was not compatible.

For example, a helical cassette type machine! In case of R, it is necessary to insert a tape pull-out bin inside the tape loop in the cassette F, pull the tape out (into the cassette), and wrap the tape around the cylinder approximately 180 degrees for local tape loading.

Therefore, as an adapter device that allows the new small-sized cassette to be used with existing large-sized cassette VTRs, (1) the adapter must pull out the tape from the handmade cassette and create the same tape loop as the large-sized cassette; No.

(2) At this time, the tape must be fed out from the reel, and when the adapter is completely inserted, the reel must be able to rotate freely.

-1γda1#Uchida-F It is obvious that it is unfinished, and the existing ma! When I inserted it into L! Ma! 1 will stop working, so it is necessary to take measures to prevent this unfortunate situation from occurring.

-) If you remove a small cassette from the adapter after it has been loaded into the adapter, the tape will get caught in the adapter's bin, causing fatal damage to the tape, so take precautions to prevent this from happening. You need to make sure you get it.

(Phrase: When the load in the adapter is completed, a latch is applied,
We have to make sure that we can maintain that state.

(・) At the time of unloading, the reel that is now free to rotate must now be driven to wind up the tape that is about to sag. If winding is not done reliably, the tape may jam in the adapter and cause wrinkles in the cassette. Since it becomes impossible to take it out from the adaptor, it is necessary to take measures to prevent such a situation from occurring.

There are many conditions such as

The present invention satisfies the above-mentioned conditions as much as possible and improves the existing aspirations. It is an object of the present invention to provide an adapter device that is safer, less likely to cause accidents, and is easier to handle, so that small cassettes can be used even with small cassettes. The tape cassette adapter device is characterized by a tape cassette adapter device having means for manually performing the steps.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows the internal structure of an embodiment of the present invention.

In the figure, 7 is the adapter board when the top cover (not shown) is removed, 2 is the small cassette, 3 is the tape, 11 is the slide lever, 21 and 47 are the leading arms, 52 is the clutch lever, 61 is a cassette holding lever, and 71 is a hold tab.

FIG. 2 shows the state in which the small cap (2) and the adapter (1) are held.

Next, the operation of the above configuration will be explained.

The slide lever 11 has an elongated hole 16, and bosses 14 and 15 set on the adapter board 7 are installed in the elongated hole 16.
It fits in and can be slid. A slide knob 12 is identified on the slide lever II. After setting the small cassette 2 on the adapter 1 as shown in Fig. 2, sliding this slide knob 12 in one direction will charge the coil spring 17 hooked on the boss 18 mounted on the slide lever 11. Slide. The other end of the coil spring 17 is hung on a boss 15 erected on the adapter board 7. At this time, a rack 20 is cut into the side surface of the slide lever 11, and the loading gear 22 is moved in the b direction (b) around a shaft 23 planted on the base plate. loading gear 22
When the leading lever 21 is
61 and is rotated in the ε direction together with the rotation of the gear. A bottle 24 is installed on the lever 21, and a lever 25 is installed on the lever 21.
, into the bin 26, and these rotate together with the loading lever 21. The loading bin 2 is loaded with a small cassette inside the tape 3, and the tape 3 is pulled out by this operation. At the same time, the slide lever 11 moves the gear 40 in four directions, the gear 41 meshed with this in the - direction, and the gear 43 integrated with the gear 41 in the f direction.
direction, the rack 45 meshed with this is rotated in the direction g, and the loading lever 47 integrated with the loading gear 46 meshed with the rack 4s is rotated in the direction. The loading lever 47 has a bin 49. similar to the loading lever 21 on the right side. Since the lever 50 and loading bin 51 are integrally formed and the loading bin 51 is located inside the tape 3, the tape 3
The drawer is completed on the left and right, and the tape of B is lowered (2 points * t
ii>, and half of the tape loop for the large sumo wrestler v'rit is completed.

Next, the mechanism for inhibiting removal of the small-spray cassette will be explained. The cassette holding lever 61 rotates around a shaft 62 mounted on the adapter board 1, and the lever 61 is rotated by a spring 64! energized in the direction.

The other end 65 of the lever 61 is interlocked with the side of the loading lever 21, and when the loading operation is started, it rotates in the i direction, and the other end 66 enters the hole 6 of the small cassette 2 and p- Once the loading starts, you will not be able to take out the small force cera) 2.

Next, the tape feeding and winding mechanism will be explained.

By sliding the slide lever 11 in one direction, the loading gear 22 rotates in the b direction, and the clutch gear 31
The gear 32 rotates in the j direction, the gear 34 rotates in the t direction, the gear 36 rotates in the moving direction, and the reel hub gear 5 provided on the small cassette 2 is rotated in the n direction. tape·
Send out tape 3 to create a loop. The clutch gear 31 is supported for free rotation on a boss 33 mounted on a clutch lever 52, and the clutch lever 52 is supported on a boss 33 mounted on a clutch lever 52.
It is biased in the opposite direction by a spring s4 wound around a shaft 53 set up above. Since the lever 2s rotates the clutch lever 62 in the direction when loading is completed, the reel, hub, and gear 5 become free when loading is completed, and the large cassette master! It moves according to the reel drive unit 35 of 1 and is not affected by the loading gear at all.

To unload, return the slide lever 11 to its original position to release the V-ding arm 2! rotates in the opposite direction, the lever 52 is energized by the spring 54, and the gear 31 engages again, driving the reel huff gear S in the opposite direction to wind the tape 3. Further, a spring box s6 is fixed to the clutch lever s2, and the boss 55 is pushed by a spring built into the spring box s6. The boss 55 protrudes to the outside of the adapter 1, and is a prohibition mechanism that prevents the adapter 1 from being inserted into the large swing cassette V-tape unless loading and unloading of the adapter is completed.

Next, the holding mechanism of the slide lever 1ri will be explained.

A claw 1g is attached to the slide lever 11, and a hold claw 71 is attached to the adapter base 7 at the place where the hold is completed.
A spring 75 biases the shaft 740 in the ν direction around a shaft 740 erected on the shaft 740 . A release bottle 12 is installed in the hold jaw 71 and is stopped by a stop x-ya installed on the adapter board 7. Slide lever 1
When the leading operation is completed at 1, the claw 19 engages with the hold claw 71 and the hold is completed.

Next, the unloading mechanism will be explained.

A release button 13 is attached to the slide knob 12 fixed on the slide lever 11, and a release pin 72 is located at a position opposite to the button 13 in the held state. When the button 13 is pressed, the bottle 72 is pushed against the spring 75, releasing the claw 19 from the claw 71, and the spring 17 charged during loading returns the slide lever 11 to its original position. Loading levers 21 and 4 are activated by the reverse operation at the time of loading 11.
Ma has a small cassette of Chi 13. Store it inside the clutch.
The lever 52 engages the gear 31 again to take up the chip 13 into the small cassette 2, and the lever 1 is pulled out from the hole 6 so that it can be ejected from the adapter 1 with a small force.

Fig. 3 shows the external appearance of the adapter device, and Fig. 4g shows a part of its cross section. In the figure, 1 is the adapter, Yukimazu small cassette, $ is the outer surface of the adapter, ■1 is the opening for inserting the finger to hang on the knob 12 during manual operation,
8- is the knob 1 on the outer periphery of adapter 1. ) 1
1 is a part to be buried and stored, and 13 is a p-ding release button.

1st. FIGS. B and 4 show an embodiment of the present invention in which the tape in the adapter is removed by sliding the slide lever 11.
Although an example has been shown in which the manual operation is performed, other embodiments using manual operation will be described with reference to FIGS. 5 and 6.

In Fig. 5, l is an adapter, 2 is a small power lever), 81 is a one-way clutch lever, 83 is a finger hook, 82 is a pinion gear, 84 is a shaft installed on the outer wall of adapter 1, and 85 is a Opening for finger insertion, 89 is lever 81
This is a recess for storing.

First, insert your finger into the opening 85, place the pad of your finger on the finger hook 83, rotate it in the q direction around the shaft 84, and use the pinion gear cut at the other end of the lever 81 to lock the adapter in the same manner as described above. Complete internal p-ding. The one-way clutch lever 81 is composed of a one-way clutch (not shown) and a return spring, similar to the film winding lever of a camera, and when the lever 81 is turned in the opening direction, a loading operation is performed, and the return spring causes the lever 81 to move forward. returns to the original position in the completed state.・When unloading, press button 88 to cancel. This button II8 may be independent as shown in FIG. 5, or may be incorporated into the lever 81.

Section sg shows another manual operation example. 1 is adapter S2 is small lid cassette, 86 is gear, 87 is 5'wt, s
s is the opening, 1I9it recess, ss is the release button @ From the opening SS, hold the knob t @ 7 and rotate it in the r direction to release the gear $
A similar adapter is inserted into the stomach by teeth cut into the scapula.

Unloading is similarly performed with release butane 88.

In this method as well, the release button may be incorporated into the gear 86 or may be independent.

The opening 8s and the recess 9 in the above embodiments may be covered with 7 taps that open and close during operation).

As detailed above, according to the adapter device of the present invention,
Although it has the same external shape as the existing book Il Rikiryuto, it has a tape and
You can manually operate the loading reliably and safely without any misoperation, using the existing Ohori cassette machine! First, it allows a small horsepower set of sections to be used in a very easy-to-handle manner, which is extremely useful in this type of system.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the internal structure of an embodiment of the present invention, Fig. 2 is a schematic diagram showing the positional relationship between the small force seven F and the adapter, and Fig. 3 is an embodiment of the invention described above. FIG. 4 is a sectional view of a part thereof, and FIGS. 5 and 6 are external views of two other examples of the present invention. 1 is an adapter, 2 is a small cassette, 3 is a tape, 7 is an adapter board, 12; 81 g 117 is an operating member for manual tape loading, 21 to 2 f. 31-36 and 41-51 are components of the tape loading mechanism, 85 is an opening for manual operation of the adapter 11, and SS is a circular portion for embedding and storing the operating member.

Claims (2)

[Claims] (1) A tape/cassette adapter device, characterized in that it is equipped with a means for manually performing tape/p-ding in a dubter. (2) The tape cassette according to claim (1), wherein a recess for embedding and storing a manual operation member for tape loading and an opening for manual operation are provided inside the outer surface of the adapter. adapter device.