JPS58125259A - Ejection mechanism of cassette tape recorder - Google Patents

Abstract

PURPOSE:To make a device small in size, and to reduce cost, by driving an ejection lever in interlocking with a rocking operation of a slide operating lever. CONSTITUTION:On a slide operating lever 21 having 2 or more stop positions containing a position for stopping a tape recorder, the first guide groove 21a and the second guide groove 21b, having a recessed part are provided. Also, in the first guide groove 21a, and the second guide groove 21b, a positioning guide pin 23 and a rotating supporting shaft guide pin 24 are provided, respectively, and on one end of the slide operating lever 21, a projecting part is provided. Also, at a position opposed to this projecting part, an ejection lever 27 is provided, so that the ejection lever 27 is driven in interlocking with a rocking operation of the slide operating lever 21.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an eject mechanism for opening and closing a cassette when loading and unloading a cassette of a cassette tape recorder.

FIG. 1 is a plan view of the operating section of a conventional cassette tape recorder.
The rewind lever 3, playback lever 4, and stop lever 5 are shown. When the eject I bar 2 is pushed in, the tip pushes one end of the lever 6 which is rotatably attached to the top of the case, and the other end of the lever 6 is also slidably attached. By pulling the lever T, the engagement with the claw 8 attached to the lid is released, and the lid is opened. In this manner, the tape recorder 1 requires the eject lever 2 and the levers 6 and 7 that engage with the eject lever 2 as means for ejecting the force nut. [7] However, as the tape 1/coder becomes smaller, it is desirable to simplify the eject mechanism as much as possible in order to secure space, reduce the number of parts, and reduce costs.

Based on the above points, the present invention combines the recording, stopping, and playback levers into one slidable slide operation lever that is stopped by two guide pins, and the slide operation lever is stopped. When the lid is in this position, pushing the slide operation lever acts as an eject lever and opens and closes the lid. The present invention will be described in detail below with reference to the drawings.

FIGS. 2 and 3 show an embodiment of the present invention. Figure 2 shows
It is a top view of a tape recorder. The slide operation lever 21 for performing recording, stopping, and playback operations is attached to a fixed plate 32.
It is guided by two guide pins 23 and 24 attached to it and can be slid freely, and one end is fixed and one side of the tip of the other end is formed into a wave shape so that it can be stopped in three stages. Positioning lever 2 that acts as a spring
6 presses against a positioning pin 25 attached to the slide operating lever 21 to determine each position in the order of playback, stop, and recording. In addition, the slide operation lever 2
1, one end of this lever moves the recording/playback head fixing member 30 to which the recording/playback head is fixed around the fixed shaft and the erasing head fixing member 31 to which the erasing head is fixed. The recording/reproducing head fixing member 30 and the erasing head fixing member 31 have grooves with different angles in which the bottles are sandwiched, and this is linked to the operation of the slide operating lever 21. The pin 21e pushes the slope 30b of the groove 30g, and the recording
The reproduction head fixing member 30 and the erasing head fixing part 31 are linked to perform recording, reproduction, etc. fi, eject lever 27 i1 is rotatably attached to the inside of the upper part of the case by a pin 27a, and the lever 28 is slidably attached to the inside of the upper part of the case, and is normally pulled in one direction by a spring 40. The locking member 29 is the lid 33
The lever 28 is attached to the lever 28 as shown in FIG.
The tip of the locking member 29 engages with the locking member 29 to prevent the lid from opening. 22 is a slide lever for performing fast forwarding and rewinding operations. Here, when the slide operating lever 21 is at the stop position, the groove 21a sandwiching one of the two guide bins 23, 24 has the slide operating lever 21 also in the direction perpendicular to the sliding direction. There is a groove 218' to allow the lever 21 to move, so that it can be pushed in at this position to obtain a stroke. When the operation button 21d of this slide operation lever 21 is pushed in, the slide operation lever 21 moves by the stroke amount using the other bin 24 as a fulcrum.
The projection of this lever pushes one end of the eject lever 27, and the other end pulls the lever 2B to release the engagement with the locking member 29, and the lid is opened.

Figures 4(,) and (b) show the slide operation leno z of the present invention.
- FIG. 7 is a plan view and a side view showing another embodiment of the invention. Fixed point 4
In the rotary lever 42, the lever 42 is made up of a lever 42 that is rotatable around the center of rotation, an operation button 44 attached to the tip of the lever, and a fixed plate 43. There is a recess 48 that can be pushed in, and when the lever 42 stops at this position, the operating button 44 is pushed in by the spring 45 or the like, and the projection 44 of the operating button 44 is pushed in.
．． 8 pushes one end of an eject lever 27 shown in FIG. 2, and the lid is opened via a lever 28 and a locking member 29.

With the above configuration, there is no need to newly install an ejector 1/bar, etc., which is useful for downsizing and saving Δ1.
Recording, playback, and eject operations can be performed with one touch using a single lever, which is convenient, and is also effective in reducing the number of parts and reducing costs, making it highly effective.

[Brief explanation of drawings]

FIG. 1 is a plan view of a tape recorder operating section showing a conventional example;
2 and 3 show a first embodiment of the present invention, FIG. 2 is a plan view of the tape recorder operating section, FIG. 3 is a side view, and FIG.
The figure shows another embodiment of the slide operation lever of the present invention,
FIG. 4(a) is a plan view, and FIG. 4(b) is a side view. DESCRIPTION OF SYMBOLS 1... Tape recorder, 2... Eject lever, 21... Slide operation lever, 21a... Slide lever guide groove, 21b... Slide lever guide groove, 23... Positioning guide pin, 24... ...Rotation shaft guide bin, 26... Cantilever spring, 27 Eject lever, 32 Fixed plate, 42. 1 collar 6 Fig. 3 Fig. 4 (a) (b)

Claims (1)

[Claims] In a slide operating lever having two or more stop positions including a position where a tape recorder is stopped, the slide operating lever is provided with a first guide groove and a second guide groove each having a recessed portion, and the slide operating lever is provided with a first guide groove and a second guide groove having a recessed portion. a positioning guide pin is disposed in the second guide groove, a rotation spindle guide pin is disposed in the second guide groove, and a protrusion is provided at one end of the slide operation lever,
An eject mechanism for a cassette tape recorder, characterized in that an eject lever is provided at a position facing the protrusion, and the eject lever is driven in conjunction with the swinging action of the slide operation lever.