Magnetic recording and reproducing apparatus

Claim 1

In a magnetic recording and reproducing apparatus having a magnetic head for operating in cooperation with a magnetic recording tape provided with recording tracks, a device for fine adjustment of the position of said magnetic head with respect to said recording tracks, which device comprises, in combination: an adjustably movable support member supporting the magnetic head and having a part with internal screw threads and an arm; a threaded shaft screw engaged with said internal threads and supporting said support member, rotation of said shaft causing the magnetic head to move in the directions for said fine adjustment; a rotating wheel fixed to the shaft; an adjusting wheel remotely disposed from said rotating wheel and rotatively coupled thereto by a cord stretched around the two wheels; and a fixed guide member with which said arm of the support member is slidably engaged, and said guide member functioning to prevent rotation of the support member about the axis of the shaft while permitting the same to move in the axial direction of the shaft, whereby adjusting rotation of the adjusting wheel is transmitted through the cord and the rotating wheel to rotate the shaft thereby to accomplish said fine adjustments.