초록 ▼

An apparatus for elevating and lowering a freestanding seating structure, such as a house chair, recliner, or sofa. The apparatus is comprised of a base, an elevator assembly, a power assembly connected between the base and the elevator assembly, and a control assembly. The elevator assembly releasa

An apparatus for elevating and lowering a freestanding seating structure, such as a house chair, recliner, or sofa. The apparatus is comprised of a base, an elevator assembly, a power assembly connected between the base and the elevator assembly, and a control assembly. The elevator assembly releasably receives, supports, elevates and lowers the seating structure. The power assembly provides power and supportingly moves the elevator assembly. The control assembly controls the power assembly and the position of the elevator assembly relative to the base. The invention also includes riser arms which are pivotally connected between the base and the elevator assembly for structurally supporting and stabilizing the elevator assembly.

대표청구항 ▼

An apparatus for elevating and lowering a freestanding seating structure, such as a house chair, recliner, or sofa, the freestanding seating structure having an understructure or legs for contacting a generally planar surface, such as a floor, the understructure supporting the seating surface of the

An apparatus for elevating and lowering a freestanding seating structure, such as a house chair, recliner, or sofa, the freestanding seating structure having an understructure or legs for contacting a generally planar surface, such as a floor, the understructure supporting the seating surface of the freestanding seating structure in a position spaced away from the planar surface, comprising: a base having a front, a rear, and two sides; an elevator means for releasably receiving, supporting, elevating, and lowering the freestanding seating structure without addition to or modification of the freestanding seating structure, the elevator means having a front, a rear, and two sides oriented in correspondence with the like-named features of the base; power means, connected between the base and the elevator means, for providing power and for supportingly moving the elevator means between a lowered position and an elevated position relative to the base; and control means for controlling the power means and for controlling the position of the elevator means relative to the base, the control means being accessible to and operable by an occupant of the seating structure.