JPS63168634U

JPS63168634U -

Info

Publication number: JPS63168634U
Application number: JP6180687U
Authority: JP
Priority date: 1987-04-22
Filing date: 1987-04-22
Publication date: 1988-11-02

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す要部平面図
、第２図は第１図の要部断面図、第３図は第１図
から動作した状態を示す要部平面図、第４図は第
３図の要部断面図、第５図は回転伝達部品の付近
を示す要部断面図、第６図および第７図はこの考
案の異なる二つの実施例を示す第５図と同じ要部
断面図、第８図は従来のカセツト式磁気記録再生
装置のテープ走行系を示す要部平面図、第９図は
従来のリール駆動装置を示す要部断面図である。図中、１，２はリール、４は磁気テープ、６は
ピンチローラ、１８〜２４はスリツプ機構部、３
３，３３Ａは回転伝達部品、３４はレバー、３７
はばね、３９はピンチローラレバー、４０，４１
は軸、４３はキヤプスタン軸である。なお、図中
同一符号は同一または相当部分を示す。 Fig. 1 is a plan view of the main part showing an embodiment of this invention, Fig. 2 is a sectional view of the main part of Fig. 1, Fig. 3 is a plan view of the main part showing the operating state from Fig. 1, and Fig. 4 The figure is a sectional view of the main part of Fig. 3, Fig. 5 is a sectional view of the main part showing the vicinity of the rotation transmission part, and Figs. 6 and 7 are the same as Fig. 5 showing two different embodiments of this invention. FIG. 8 is a plan view of a main part showing a tape running system of a conventional cassette type magnetic recording/reproducing device, and FIG. 9 is a sectional view of a main part of a conventional reel drive device. In the figure, 1 and 2 are reels, 4 is a magnetic tape, 6 is a pinch roller, 18 to 24 are slip mechanisms, 3
3, 33A are rotation transmission parts, 34 is a lever, 37
Spring, 39 is pinch roller lever, 40, 41
is a shaft, and 43 is a capstan shaft. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] (1) In a magnetic recording and reproducing device in which a pair of reels on which magnetic tape can be wound are loaded in parallel, a drive source that drives the reels and rotation generated by this drive source. A slip mechanism unit that transmits the driving force to the reel and determines the upper limit of the transmitted rotational driving force, a pinch roller that pinches and transfers the magnetic tape together with the capstan, and a shaft that rotationally supports the pinch roller are installed at one end. Pinch roller lever and
The pinch roller lever includes a rotation transmission part such as a gear or a rubber roller that rotates around a shaft installed at one end of the lever that interlocks with the pinch roller lever, and a spring that biases the rotation transmission part against the slip mechanism. A reel drive device characterized by: (2) The rotation transmitting part is a gear, and the position of the gear is regulated by a lever that supports a shaft that freely rotatably supports the gear, and a pulley provided in the slip mechanism. A reel drive device according to claim 1 of the utility model registration claim.