Patent ID: 6016235
Filing Date: 2000-01-18
Classification: G11B

Abstract:
A magnetic tape recorder and/or play back device comprising:a frame;a chassis supported by said frame;a rotary head cylinder mounted in said chassis;a lower ring gear and an upper ring gear coaxially provided on said chassis;a motor mounted on said chassis and driving to rotate said lower ring gear and said upper ring gear;a first tape guide fixed to said lower ring gear;a second tape guide fixed to said upper ring gear; andfirst and second guide receiving portions provided in association with said lower ring gear and said upper ring gear and receiving said first tape guide and said second tape guide respectively, whereby rotation of said lower ring gear and said upper ring gear facilitate loading of the tape onto the rotary head cylinder;a worm gear with which said lower ring gear is engaged, and a first slidable plate supporting said worm gear and slidable in a predetermined direction; a second slidable plate slidable in said predetermined direction; a further gear provided on said second slidable plate and engageable to said lower ring gear; and a spring bridged between said first slidable plate and said second slidable plate; whereinwhen rotation of said lower ring gear and said upper ring gear are stopped, said first slidable plate is slid to said predetermined direction according to a rotation of said worm gear to slide said second slidable plate in said predetermined direction, whereby said further gear is adapted to further rotate said lower ring gear.