Abstract: An improved adjustable rotary locking and unlocking device that utilizes a pushbutton to unlock teeth on a spring loaded hub drive that mesh within a swivel member. Once the hub drive and swivel member are disengaged by pressure on the pushbutton, the swivel member is freely moveable to any other position. Release of pressure on the pushbutton allows the teeth of the spring loaded hub to re-engage the teeth of the swivel member, thereby rigidly locking the device in place.

Abstract: A forward leaning stadium seat having a padded seat; a vertical support sleeve with an arm support device and quick release locking clasp to allow quick and easy up and down positioning of the arm support device and an adjustable hub to stop the forward and backward movement of the vertical support device at prescribed locations within a prescribed arc of travel.

Abstract: A portable forward leaning seating device to be used on a bleacher at sporting events to provide the user with superior support to that portion of his back which is most susceptible to fatigue and pain. The device consists of a padded seat (10) attached to a seat frame (12) which is securely attached to the bleacher by a spring loaded hook (42). The user sits on the padded seat (10) by facing the sporting event with the adjustable vertical support sleave (14) positioned between the user's thighs. The user rests his arms on the padded horizontal arm rests (16) which are positioned using the adjusting knob (32) and spring loaded tab (38) in such a way to provide comfortable support to the torso of the user in a forward leaning fashion. The lock clasp (20) serves to lock the vertical support armature (18) securely in place.

Abstract: A portable forward leaning seating device to be used on a bleacher at sporting events to provide the user with superior support to that portion of his back which is most susceptible to fatigue and pain. The device consists of a padded seat (10) attached to a seat frame (12) which is securely attached to the bleacher by a spring loaded hook (42). The user sits on the padded seat (10) by facing the sporting event with the adjustable vertical support sleave (14) positioned between the user's thighs. The user rests his arms on the padded horizontal arm rests (16) which are positioned using the adjusting knob (32) and spring loaded tab (38) in such a way to provide comfortable support to the torso of the user in a forward leaning fashion. The lock clasp (20) serves to lock the vertical support armature (18) securely in place.