continued from part 1 - Controller General of Patents, Designs, and ...

(12) PATENT APPLICATION PUBLICATION (21) Application No.6547/DELNP/2008 A
(19) INDIA
(22) Date of filing of Application :28/07/2008 (43) Publication Date : 24/10/2008
(54) Title of the invention : "LATCHES FOR GATES AND DOORS"
(51) International classification :E05B 57/00 (71)Name of Applicant :
(31) Priority Document No :2006900450
1)D & D GROUP PTY LTD
(32) Priority Date :31/01/2006
Address of Applicant :UNIT 6, 4-6 AQUATIC DRIVE,
(33) Name of priority country :Australia
FRENCHS FOREST, NEW SOUTH WALES 2086,
(86) International Application No :PCT/AU2007/000090 AUSTRALIA. Australia
Filing Date
:31/01/2007 (72)Name of Inventor :
(87) International Publication No :WO 2007/087677 1)KARCZ, IREK
(61) Patent of Addition to Application
Number
Filing Date
:NA
:NA
2)ANTKOWIAK, MARGARET
3)CLARK, ANTHONY, JOHN
(62) Divisional to Application Number :NA
Filing Date
:NA
(57) Abstract :
A latch has a displaceable latching element in a housing for engagement with a separate striker arm to be latched behind an
engagement shoulder of the latching element. The housing mounts a cylinder lock to receive a key from the front. A rotor is mounted
on the rear of cylinder lock and rotation of the key rotation the rotor to drive a locking element to engage and lock the latching
element. The rotor may also be axial displaceable against spring biasing responsive to a rear unit pushing element whereby unlocking
from a rear cylinder lock may rotate the rotor to unlock and pushing causes the latching element to be displaced against its biasing to
release the striker arm. Embodiments include a gravity biased and manually opened latch and a spring biased self-locking
embodiment.
No. of Pages : 32 No. of Claims : 18
The Patent Office Journal 24/10/2008 26015