(12) United States Patent (10) Patent N6.: US 8,112,938 B2 Bolduc et al. (45) Date of Patent: Feb. 14, 2012 (54) GATE SYSTEM WITH AUTOMATIC 2 : \1\’\/I/i_1lI11(Z1eta1. .................. , , 1 e ....... .. LOCKINGAND UNLOCKING FEATURE 5,212,909 A * 5/1993 Morin 49/49 , . _ 5,333,410 A * 8/1994 Tetherton 49/35 (75) Inventors: Rene Bolduc, Sa1nte-C1ot1lde-de-Beauce 5,615,520 A * 4/1997 McGuire “ 49/237 (CA); Yvan Mercier, 6,185,867 B1 * 2/2001 McGuire .. 49/109 Sainte_C1Oti1de_de_BeauCe (CA) 7,013,531 B2* 3/2006 Jackson .... .. .. 16/309 7,155,779 B2 * 1/2007 Watkms .. .. 16/316 (73) Assignee: Les Ateliers Bolduc et Freres Inc., Ste-Clot11de-de-Beauce, Quebec (CA) 2007/0107477 A1 * 5/2007 Fawcett et al. . . 70/57 .1 2007/0271846 A1* 11/2007 Miller et al. 49/49 ( * ) Notice: Subject to any disclaimer, the term of this 2009/0090063 A1* 4/2009 Kucer et a1~ ~~ 49/104 - - ucere 3. . atent is extended or ad usted under 35 2009/0119995 Al * 5/2009 K t 1 49/31 %S C 15403) b 362 d J 2010/0031573 A1* 2/2010 Whiting et al. ................. .. 49/31 ' ' ' y ayS' * cited by examiner (21) APPL NO’: 12/471’440 Primary Examiner 4 Katherine Mitchell (22) Filed: May 25, 2009 Assistant Examiner 4 Justin Rephann (74) Attorney, Agent, or Firm 4 Norton Rose Canada LLP (65) Prior Publication Data (57) ABSTRACT Us 2010/0293855 A1 NOV' 25’ 2010 A controlled gate system is comprised of a barrier arm Which (51) Int Cl is pivotally connected to a first fixed support. A motion detec' ' tor is secured to a second fixed support spaced a predeterE05F 15/20 (2006.01) . d d. f h fi fi d d. 1. (52) U S Cl 49/49_ 49/25_ 49/141_ 49/334 m1ne ~ 1stance romt e rst xe support an~ 1n a 1gnment _‘ ‘ ‘ """ "_' """ ’ ’ ’ thereW1th to create a restricted passageWay With the barrier (58) Fleld of Classlficatlon Search .............. .. 49/13, 25, am normally resting in an obstructing position Within the _ _ 4_9/31, 49> 68 passageWay. The barrier arm is arrested at the obstructing See apphcanon file for Complete Search h1StOry~ position by a solenoid actuated latch Which is disengaged by (56) R f Ct d the motion detector. The arc of displacement of the barrier e erences 1 e
arm is also restricted to permit passage through the passageWay in a single direction. Under certain conditions a controller Will permit the barrier arm to be disengaged to permit passage in the passageWay in opposed directions. The motion detector of the preferred embodiment is constituted by a further barrier arm.
23 Claims, 11 Drawing Sheets
