LUBRICATION DEVICE OF AUTOMATIC TRANSMISSION

摘要

PROBLEM TO BE SOLVED: To supply a lubricant to a pinion from both of a carrier body and a carrier cover configuring a carrier.SOLUTION: A first oil reservoir 61 composed of an annular recessed portion is formed on an inner peripheral face of a carrier cover 52. A bag-shaped shaft supporting hole 127 is formed on a thick portion 122 as a part for accommodating a short pinion of a carrier body 51, and a communication groove 135 from an inner peripheral face of the thick portion is formed on a clearance gap portion 127a between a bottom portion e of the hole and a shaft fitting portion to form a second oil reservoir 133 opened at an inner diameter side. A lubricant is supplied to a rotary supporting member 63 of a long pinion 46a from the first oil reservoir 61, and a lubricant is supplied to a rotary supporting member 54 of the short pinion 45p from the second oil reservoir 133.