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1. 发明专利

JPH0548372B2 失效
公开(公告)号：JPH0548372B2
公开(公告)日：1993-07-21
申请号：JP2340886
申请日：1986-02-05
申请人： FUJITSU TEN LTD
发明人： NAGATA JOJI , KOMINAMI KEIJIRO , TANAKA HIDEAKI , FUJE RYUICHI
IPC分类号： F16H3/34 , G11B15/675

2. 发明专利

JPS62183051A LOADING DEVICE FOR RECORDING MEDIUM 失效
公开(公告)号：JPS62183051A
公开(公告)日：1987-08-11
申请号：JP2340786
申请日：1986-02-05
申请人： FUJITSU TEN LTD
发明人： NAGATA JOJI , KOMINAMI KEIJIRO , TANAKA HIDEAKI , FUJIE RYUICHI
IPC分类号： G11B15/675
摘要： PURPOSE:To decrease the drive torque of a cam mechanism by giving an angular displacement to a shaking member when a recording medium is located near the extreme position of the downstream side of the loading direction so as to part a stopper and a lock member slightly thereby giving the angular displacement to the shaking member. CONSTITUTION:When a grip member 13 is at the pause position, a lock member 35 provided to a shaking member 14 supporting the grip member 3 is in the 2nd angular position and engages with a locking lever 84 being a stopper. Thus, the weight of the grip member 3 in this case is not transmitted to a sliding projection 57 being a follower and a cam member 73 thereby causing only a possibly small force between the cam face 60 of a cam member 73 and the sliding projection 57. That is, when the grip member 3 is going to load a recording medium from the pause position, the drive torque required to drive the cam member 73 is reduced and then the constitution to generate the torque is miniaturized.

3. 发明专利

JPH0481822B2 失效
公开(公告)号：JPH0481822B2
公开(公告)日：1992-12-25
申请号：JP2340786
申请日：1986-02-05
申请人： FUJITSU TEN LTD
发明人： NAGATA JOJI , KOMINAMI KEIJIRO , TANAKA HIDEAKI , FUJE RYUICHI
IPC分类号： G11B15/675

4. 发明专利

JPS62180149A POWER TRANSMISSION GEAR 失效
公开(公告)号：JPS62180149A
公开(公告)日：1987-08-07
申请号：JP2340886
申请日：1986-02-05
申请人： FUJITSU TEN LTD
发明人： NAGATA JOJI , KOMINAMI KEIJIRO , TANAKA HIDEAKI , FUJIE RYUICHI
IPC分类号： F16H3/34 , G11B15/675
摘要： PURPOSE:To prevent any damage of the power transmission gear in the caption, by transforming any excessively large power between gears of a power transmission mechanism, generated by the inertial power of a motor, into friction and absorbing this power, between the end faces of the gears, when magnetic tape cassette loading or discharging operation is performed. CONSTITUTION:Power of a motor 101 is transmitted to the second gear 63 and the third gear 72 of a reduction mechanism 61, through the fourth gear 106. At this time, the notch of the second gear 63 faces to the right. Accordingly, the second gear 63 and the third gear 72 are driven in the direction of an arrow C1 shown in the figure. Since a spring is set to energize the end faces of the gears 63, 73, that make sliding contact with each other, as making them close with each other, power of the motor 101 is transmitted to the first gear 62 formed with the gear 63 in an integrated one body through the gears 106, 63, and transmitted to the other mechanism furthermore, when the gear 106 is engaged with the gear 63 at the other part than the notch. On the other hand, the driving state of the motor 101 is stopped in a condition that the gear 106 faces to the notch of the gear 63.

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