Recording and reproducing apparatus having a tape tension changing mechanism

摘要

A tape tension mechanism for a recording and reproducing apparatus having a supply reel table and a take-up reel table, in which a tension arm is provided at the supply reel side and rotatably mounted thereon, a brake mechanism for the supply reel table is coupled to the tension arm, and the tension arm is biased by a tension spring so that the brake mechanism performs a braking operation, the tape tension mechanism further includes a movable operation member to which a fixed end of the tension spring for biasing the tension arm is connected, wherein the fixed end of the tension spring is moved close to and apart from a pivot of the tension arm.