Abstract: A platform system includes swing arms for moving the platform from a lowered position to a raised position. In one embodiment, a pair of swing arms and a pair of telescoping vertical members are mounted to opposing frame members. The swing arms are capable of moving from a canted position to a vertical position, which extends the telescoping vertical members and raises the platform to the raised position. The swing arms are connected to a drive mechanism that moves the swing arms from the canted position to the vertical position. The drive mechanism may include a gear box, and a pair of lead screws connected to the gear box. The lead screws may extend from opposing sides of the same gear box, with the gear box configured to rotate the differently handed lead screws.

Abstract: A transmission for driving one or more powered devices from a single drive motor. The transmission includes at least one output drive shaft, and at least one gear. Each gear is in constant driving engagement with at least one other gear, and one gear is engaged with the motor. Each of the output shafts is adapted to be coupled to at least one of the devices and at least one of the gears. The transmission also includes a plurality of clutches. Each of the clutches is uniquely associated with one of the output drive shafts and one of the gears, and each of the clutches selectively couples a gear to a corresponding output drive shaft. The transmission may include a control system for activating the motor and the clutches at desired time intervals.