Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard Zitzelsperger0
Michael Brian Alchin0
Date of Patent
June 12, 2007
0Patent Application Number
110196690
Date Filed
December 22, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A lock 10 for a sliding door or window. The lock 10 includes a hollow body 11 within which there is pivotally mounted a pair of hook tongues 14 and 15. The tongues are driven by rack gears 54 which are operated by a lock cylinder 19. The rack gears 54 move linearly in opposite directions to cause angular movement of the tongues 14 and 15 in opposite rotational directions.
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