Reinforcing apparatus for a lever handle of a door lock

Details Reinforcing apparatus for a lever handle of a door lock Reinforcing apparatus for a lever handle of a door lock

E - Fixed Constructions

05

C

E05C 3/14 (2006.01)

Patent

CA 2133051

A reinforcing apparatus for a lever handle of a door lock includes a housing and a rotary member. The door lock has a driving mechanism mounted to a door for actuating a bolt of the door lock in order to lock or unlock the door lock. The driving mechanism has a driving shaft extending axially and outwardly therefrom. The lever handle is connected to the driving shaft for operating the driving mechanism so as to actuate the bolt. The housing is provided around the driving shaft and is fixed to the door. The rotary member is received in the housing and is mounted to the driving shaft for rotating simultaneously with the driving shaft. The reinforcing apparatus further has a biasing unit for biasing the rotary member to return and maintain the lever handle at its original unoperated position after the rotary member is rotated by said lever handle. The biasing unit is mounted to the housing.

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