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official journal of the patent office - Controller General of Patents ...

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(12) PATENT APPLICATION PUBLICATION (21) Application No.249/CHE/2005 A<br />

(19) INDIA<br />

(22) Date <strong>of</strong> filing <strong>of</strong> Application :11/03/2005 (43) Publication Date : 16/03/2007<br />

(54) Title <strong>of</strong> <strong>the</strong> invention : READY LOCK RING BINDER MECHANISM<br />

(51) International classification :B42F<br />

013/06<br />

(31) Priority Document No :60/553,154<br />

(32) Priority Date :15/03/2004<br />

(33) Name <strong>of</strong> priority country :U.S.A.<br />

(86) International Application No :NA<br />

Filing Date<br />

:NA<br />

(87) International Publication No : NA<br />

(61) Patent <strong>of</strong> Addition to Application :NA<br />

Number<br />

Filing Date<br />

:NA<br />

(62) Divisional to to Application :NA<br />

Number<br />

Filing Date<br />

:NA<br />

(71)Name <strong>of</strong> Applicant :<br />

1)WORLD WIDE STATIONERY<br />

MANUFACTURING COMPANY, LTD<br />

Address <strong>of</strong> Applicant :19/F,KOON WAH<br />

MIRRORS FACTORY, 3RD INDUSTRIAL<br />

BUILDING,5-9 KA HING ROAD,KWAI CHUNG,<br />

NEW TERRITORY Hongkong(China)<br />

(72)Name <strong>of</strong> Inventor :<br />

1)HUNG YU CHENG<br />

2)HO PING CHENG<br />

No <strong>of</strong> Pages : 31 No <strong>of</strong> Claims : 29<br />

(57) Abstract :<br />

A ring binder mechanism that retains loose-leaf pages and has ring members that readily lock<br />

toge<strong>the</strong>r, preventing accidental loss <strong>of</strong> pages. The mechanism comprises a housing that supports<br />

two hinge plates for loose pivoting motion, bringing <strong>the</strong> ring members to ei<strong>the</strong>r an open position or<br />

a closed position. The mechanism fur<strong>the</strong>r comprises a control structure, which includes an<br />

actuating lever pivotally mounted on <strong>the</strong> housing. The actuating lever moves a travel bar and its<br />

locking elements for controlling <strong>the</strong> pivoting motion <strong>of</strong> <strong>the</strong> hinge plates. \Nhen <strong>the</strong> ring members<br />

are closed, <strong>the</strong> locking elements block <strong>the</strong> hinge plates from pivoting to open <strong>the</strong> ring members. In<br />

addition, a spring is attached to <strong>the</strong> travel bar for automatically biasing <strong>the</strong> travel bar and locking<br />

elements to <strong>the</strong> locked position when <strong>the</strong> ring members close.<br />

The Patent Office Journal 16/03/2007 5414

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