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Title: Electronic door locking mechanism

The invention is a motorized linkage for engaging a thumb piece in a door mechanism. The device has an exterior lock assembly with a small battery cell and combination lock. Proper entry by a user of a security code allows the battery to operate a small motor within the exterior lock assembly. The small motor manipulates a cam-plunger which moves an actuator pin into a thumb piece. The user applies a force on to the thumb piece. This force is transmitted by the thumb piece to a latch engagement mechanism by the actuator pin. The latch engagement mechanism operates the door latch.
Inventors:
 [1];  [2]
  1. (428 E. Third Ave., Kennewick, WA 99336)
  2. (1010 W. Fifteenth Pl., Kennewick, WA 99337)
Issue Date:
OSTI Identifier:
871191
Assignee:
Williams, Gary Lin (428 E. Third Ave., Kennewick, WA 99336);Kirby, Patrick Gerald (1010 W. Fifteenth Pl., Kennewick, WA 99337) RLO
Patent Number(s):
US 5678868
Contract Number:
AC06-87RL10930
Research Org:
Westinghouse Hanford Co
Country of Publication:
United States
Language:
English
Subject:
electronic; door; locking; mechanism; motorized; linkage; engaging; thumb; piece; device; exterior; lock; assembly; battery; cell; combination; proper; entry; user; security; code; allows; operate; motor; manipulates; cam-plunger; moves; actuator; applies; force; transmitted; latch; engagement; operates; locking mechanism; battery cell; security code; motorized linkage; /292/70/

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