Patent ID: 8777282

Claim:
An anti-ligative ergonomic doorknob system for a hinge-mounted door, said system comprising: a lever having a rotary-shank connected to one end of the lever, the rotary-shank configured to move a latchbolt between latched and unlatched positions, the latchbolt having a tri-beveled outer terminus; a fixed escutcheon-plate forming a partial-circle; a backing plate extending from the lever; and an annular-recess in the escutcheon-plate to prevent ensnarement of a cord under the backing plate; a sloping outer surface of the lever and the tri-beveled outer terminus of the latchbolt configured to prevent frictional ensnarement of a cord when placed on or around the doorknob or on or around the latchbolt or in a configuration that uses an upper surface, side surface, bottom surface of the door in conjunction with the doorknob or the latchbolt, preventing a user from suicide.