| 摘要 |
PROBLEM TO BE SOLVED: To prevent lengthening of a return spring, in a brake device arranging a friction member distant from a hydraulic servo. SOLUTION: This brake device B for an automatic transmission, provided with a friction member 1 and a hydraulic servo 2 operating this friction member engaged/disengaged, has a plurality of return springs 4 arranged between a support means of the friction member and a piston 21 of the hydraulic servo. The return spring supports its piston side end part on an intermediate part of an apply tube part 22, which extends from the piston toward the friction member, to be arranged along the apply tube part. In this way, the lengthening of the return spring in the brake device arranging the friction member distant from the hydraulic servo is prevented.
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