Abstract: An apparatus is provided for receiving a wheelchair and its seated occupant and tilting the wheelchair rearwardly into a position in which the seated occupant is disposed in a substantially reclined, supported condition for therapeutic and other advantageous reasons. To accomplish this, the wheelchair tilting apparatus utilizes a base frame arranged for placement on a ground surface, the base frame pivotally mounting the rear end of a wheelchair supporting tilt frame assembly having an upstanding backrest member arranged to support the chair and occupant reclined thereagainst when the apparatus is in operative, tilted condition.