Backset adjustment structure of dead bolt assembly for door lock
AssigneeHyundae Metal Co., Ltd.
InventorEui Shik Kang
Life of this patent
Estimating the term…
Abstract
A backset adjustment structure for a dead bolt assembly having a dead bolt connected with an operating plate, a support tube connected to support plates, and an operating lever operating the dead bolt, including cover plates enclosing the support plates and each having a hole for receiving the operating lever; a catch plate installed next to the operating plate to be moved along with the cover plates, and having catch grooves in which a given sized catch boss, provided to the operating plate, is fitted; the operating plate having a front end connected with the dead bolt by a pin and able to be turned down, and a space with a slant at its middle; and a button with a protruded slant formed on one of the cover plates, and operating to turn the operating plate down.
Claims4
A deadbolt assembly having a backset adjustment structure, the dead bolt assembly comprising:
- a dead bolt connected with an operating plate;
- a support tube connected to support plates;
- an operating lever operating the dead bolt;
- cover plates enclosing the support plates each cover plate having a hole for receiving the operating lever;
- a catch plate installed next to the operating plate to be moved along with the cover plates, said catch plate having catch grooves in which a catch boss with a predetermined size formed on the operating plate is fitted;
- said operating plate having a front end connected with the dead bolt by a pin and able to be turned down, and a space with a slant at its middle;
- and
- a button with a protruded slant inserted into one of the cover plates, and operating to turn the operating plate down.
Dependencies are inferred from the claim text.