JPS6074146A - Cassette holder - Google Patents

Abstract

PURPOSE:To simplify constitution, and also to improve assembling property by providig a control which abuts on a bearing, controls a gap in the thrust direction, and also has provided a function for pressing and holding firmly a cassette case on the same parts. CONSTITUTION:Control plates 11, 11' are constituted so as to be utilized for pressing a cassette and a cassette receiving plate 7 and controlling a thrust gap of bearings 8, 8'. When the cassette is inserted into the direction as indicated with an arrow A, pressing pieces 14, 14' operate in the direction against the energizing force of tension springs 15, 15', and thereafter, when the cassette is set to a prescribed position, it is always pressed lightly by said pressing pieces. Subsequently, when a cassette holder 6 is pushed manually in the direction as indicated with an arrow B, a Y link mechanism part 16 operates, the cassette holder 6 part is made to descend in the horizontal state, and when it is further pushed continuously and manually in the direction as indicated with the arrow B, a fixing pawl 17 is engaged to a lock pin and positioned at the prescribed position of a video tape recorder body part.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a cassette holder for supporting a cassette case (hereinafter referred to as cassette) of a video tape recorder.

Conventional Structure and Problems In the conventional cassette holder (4), as shown in FIG. ].Also, it is possible to heat-weld the bearing by using, for example, thermoplastic resin.In such a structure, parts are constructed inside the cassette holder, and because of the thin plate structure, it is difficult to screw in. Because the depth was not sufficient, there were problems with the tightening torque.Also, when fixing the bearing, since the connecting shaft and link piece were already engaged with the bearing in an integrated state, the cassette holder There was a problem that the fixing work was difficult.

OBJECTS OF THE INVENTION The present invention eliminates the above-mentioned drawbacks of the prior art and also simplifies the configuration.

Structure of the Invention The present invention provides a method for attaching the bearings that are engaged with the coupling 1 and the ridges that have been fixed to the link pieces in advance on both sides of the cassette holder.
The cassette and the cassette holder are connected to the cassette holder by a regulating plate which pivots on a pressing piece with the function of pushing the plate, and at the same time, a part of the regulating plate is used for O'J 2 and 1 side 8 juice V Kakoi I Slab), -Ma-Yumaka tu4 Yuzushi-
7. The step simplifies the configuration and improves ease of assembly.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 4.

In the figure, reference numeral 6 denotes a cassette holder which can be slightly moved up and down;
, 11' are regulating plates that are in contact with the bearing 88' and are engaged with swingable arms 12, 12' and pins 13, 13';
, 14' are pivotably supported, and one end is connected to the regulating plate 11.
．． 11', and the other end is engaged with a portion of the arms 12, 12', and the cassette (not shown) and the gutter receiver are connected to the plate 7 via the aforementioned suppressing pieces 14, 14'. A tension spring 16.15', which always acts in the pressing direction, is engaged. Moreover, on both sides of the aforementioned cassette holder 6, an X-link mechanism section 16 including the link pieces 9, 9'
16'.

The difference between the cassette/) holder constructed as above and that shown in Fig. 1 is that the regulating plates 11 and 11' are used to suppress the plate 7 of the cassette and the cassette holder and to regulate the thrust clearance between the bearings 8° and 8'. This is a point 1° different from the Shi/Co configuration.

The operation will be explained below. When a cassette (not shown) is inserted in the direction of arrow A, the pressing piece 14. ．． 14' moves in a direction against the old force of the tension springs 15, 15', and then when the cassette is moved upward two degrees to a predetermined position, it is always lightly pressed by the pressing piece.

Next, when the cassette holder 6 is manually pushed in the direction of arrow B, the Y IJ link mechanisms 16 and 16' are activated to lower the cassette holder 6 in a horizontal state, and when the cassette holder 6 is continued to be pushed manually in the direction of arrow B, the video tape recorder is activated. (hereinafter referred to as VTR) at a predetermined position of the main body (not shown), a fixing claw 17 provided on the cassette holder 6 locks the VTR.
It is positioned by engaging with a lock pin (not shown) provided on the R main body.

Next, the return operation of the cassette holder 6 will be explained.
(not shown), the locking pin (not shown) is moved mechanically or electrically, thereby fixing the fixing claw 17 provided on the cassette holter 6.
lift restrictions on And X link mechanism parts 16, 16
The cassette halter 6 is raised by a restoring force such as a tension spring (not shown) provided on at least one side of the cassette halter 6,
Return to original position.

As described above, since the present invention uses the X-link mechanism to vertically raise and lower the cassette, if there is a large gap in the assembly of each component, especially if the thrust gap between the XIJ link mechanisms is large, the Due to contact between the mechanism and the cassette holder, the lifting and lowering operations will not proceed smoothly.

Effects of the Invention 2. By providing a regulating plate, the thrust clearance of the bearing can be arbitrarily set within a certain range, thereby making it possible to omit the work of fastening the X IJ link mechanism. , , 411 The practical effect of standing up is like a dog.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of the main parts of a conventional cassette holder, Fig. 2 is an exploded perspective view of a cassette holder in an embodiment of the present invention, Fig. 3 is a partially cutaway plan view of the main parts, and Fig. FIG. 4 is an enlarged exploded perspective view of the main parts. 8.8'...Bearing, 11.11'・Regulation plate,
9.9'...Link piece, """'cassette holder =, 10...Connection shaft, 16, 16' ・X IJ
link mechanism. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2 O Figure 3 Figure 4

Claims (1)

[Claims] A pair of bearings configured on the sides of the cassette holder, a connecting shaft that fits into the bearings and has both ends fixed to the link pieces, and abuts against the bearings to regulate the gap in the thrust direction and also suppresses and secures the cassette case. The cassette holder has a regulating plate provided in the same part with a function of controlling the cassette holder, and a cassette holder plate that is engaged with the cassette holder.