Patent ID: 7092201

Claim:
A deck mechanism for a magnetic recording/reproducing apparatus, comprising: a main deck provided with a head drum and a capstan motor; a sub-deck installed on the main deck to be loaded/unloaded, the sub-deck being provided with a pair of reel discs, onto which tape reels of a tape cassette are seated, respectively; a pole base loading unit for taking out and guiding a tape to be in contact with a side of the head drum when the sub-deck is loaded, the pole base loading unit further comprising: a pair of pole base assemblies mounted to be capable of reciprocating on the main deck, the pole base assemblies moving the tape as it is being loaded to come into contact with the head drum; a guide rail provided on a rail plate mounted on the main deck, for guiding movement of the pole base assemblies; a pair of loading gears mounted on the rail plate to be capable of being rotated, the loading gears being engaged with each other and connected to a main cam gear, wherein the loading gears comprise: a first loading gear fitted on the bottom side of the rail plate to be capable of being rotated; and a second loading gear fitted on the rail plate and provided with a small gear section engaged with the first loading gear and a large gear section connected to the main cam gear; and a pair of link units for linking the loading gears to the pole base assemblies, respectively; a pinch roller unit for compressing the tape against a spindle of the capstan motor when the sub-deck is loaded; a brake unit for selectively braking one of the reel discs; a main sliding member mounted on the main deck to be capable of reciprocatingly sliding, the main sliding member controlling the driving of the pinch roller unit; and the main cam gear mounted on the main deck to be capable of rotating, the main cam gear allowing all of the sub-deck, the pole base loading unit, the brake unit, and the main sliding member to perform linked movements while the main cam gear is rotationally driven.