JPS63196827U

JPS63196827U -

Info

Publication number: JPS63196827U
Application number: JP8817487U
Authority: JP
Priority date: 1987-06-08
Filing date: 1987-06-08
Publication date: 1988-12-19

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係る回転ヘツドの
駆動装置の駆動部の伝達機構を示す要部平面図、
第２図は同要部断面図、第３図は回転ヘツドの駆
動装置の全体の構造を示す縦断面図、第４図は駆
動軸の伝達機構を示す要部拡大断面図、第５図は
吸振ユニツトの平面図、第６図は第５図における
―線断面図、第７図は連結部の運動を示す正
面図、第８図は同側面図、第９図はパルスモータ
の振動を示すグラフである。なお図面に用いた符号において、１５……回転
円板、１６……磁気ヘツド、１７……ドラム軸、
２５……パルスモータ、２６……出力軸、２７…
…吸振ユニツト、２８……連結ピン、３０……従
動側フランジ、３１……切欠き、４５……慣性リ
ング、４７……連結ピンホルダである。 FIG. 1 is a plan view of essential parts showing a transmission mechanism of a drive section of a rotary head drive device according to an embodiment of the present invention;
Fig. 2 is a sectional view of the main parts, Fig. 3 is a longitudinal sectional view showing the overall structure of the rotary head drive device, Fig. 4 is an enlarged sectional view of the main parts showing the drive shaft transmission mechanism, and Fig. 5 is a sectional view of the main parts. FIG. 6 is a plan view of the vibration absorption unit, FIG. 6 is a sectional view taken along the line - in FIG. 5, FIG. 7 is a front view showing the movement of the connecting part, FIG. 8 is a side view of the same, and FIG. It is a graph. In addition, in the symbols used in the drawings, 15... Rotating disk, 16... Magnetic head, 17... Drum shaft,
25...Pulse motor, 26...Output shaft, 27...
... Vibration absorbing unit, 28 ... Connection pin, 30 ... Driven side flange, 31 ... Notch, 45 ... Inertia ring, 47 ... Connection pin holder.

Claims

[Scope of utility model registration request]

a drum shaft of a rotating drum having a rotating head;
A device that rotationally connects and drives the rotating drum with a drive shaft on the drive side that drives the drum, which has a connecting pin that is provided at an eccentric position with respect to the center, and which is connected to the drum shaft or the drive shaft. a first member attached to one of the drum shaft or the drive shaft, and a second member having a notch extending in the radial direction and attached to the other of the drum shaft or the drive shaft; The first member is inserted into the notch of the second member.
A drive device for a rotary head, characterized in that the drive shaft and the drum shaft are rotationally coupled by engaging a connecting pin of a member.