초록

A power operated lift recliner which includes a safety system which senses the presence of an object located between a raised chair and the base frame and deactivates the power lift mechanism to prevent the mechanism from lowering the chair toward the base onto the object located therebetween.

대표청구항 ▼

[ We claim:] [1.] Seating apparatus comprising a chair having a bottom, a base frame supported from a floor, a lift mechanism mounting said chair on said base frame and including motor means to move said chair between a seating position and a raised forward tilting position in which the bottom of sa

[ We claim:] [1.] Seating apparatus comprising a chair having a bottom, a base frame supported from a floor, a lift mechanism mounting said chair on said base frame and including motor means to move said chair between a seating position and a raised forward tilting position in which the bottom of said chair and said base frame define an open space therebetween, and electrical control means for controlling operation of said motor means and including sensing means actuatable in response to the presence of an object within said space to disable said motor means and thereby prevent said motor means from lowering said chair toward said base frame, said sensing means operating substantially independently of any load imposed on said motor means as said motor means raises or lowers said chair.