Automatic futon frame
AssigneeOtis Bed Manufacturing Company, Inc.
InventorsJohn K. Roma, James D. Stuart
Life of this patent
Estimating the term…
Abstract
A futon frame includes a seat having a pair of electric motors mounted at opposing sides thereof for driving a pair of pinions arranged to engage inclined toothed racks mounted on each side of the frame for automatically and continuously adjusting the seat and a pivotally connected back between a sofa position and a bed position. The back is connected to opposing sides of the frame by upper and lower follower bearings arranged for travel within corresponding upper and lower guide channels in each opposing side of the frame. A motor controller is mounted to the underside of the seat for connecting a user interface to the motors.
Claims11
An automatically adjustable futon frame comprising:
- first and second opposing sides connected by front and rear support members extending laterally therebetween, each of said first and second opposing sides having an upper guide channel and a lower guide channel formed therein;
- a back situated between said first and second opposing sides, said back having first and second side members respectively adjacent to said first and second opposing sides, each of said first and second side members of said back including an upper follower bearing arranged for travel within said upper guide channel of said adjacent opposing side and a lower follower bearing arranged for travel within said lower guide channel of said adjacent opposing side;
- a seat pivotally connected to said back for folding along a laterally extending axis, said seat having first and second side members;
- first and second rack means respectively fixed one to each of said first and second opposing sides, said first and second rack means defining a drive path;
- first and second automatic drive means respectively fixed one to each of said first and second side members of said seat, said first and second automatic drive means each including a driven pinion arranged to engage said first and second rack means, respectively;
- and
- controller means connected to said first and second drive means for enabling user operation of said first and second automatic drive means;
- whereby said back and seat may be continuously and automatically adjusted relative to each other between a sofa position and a bed position.
Dependencies are inferred from the claim text.