B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
B42F 13/26 (2006.01) B42F 3/04 (2006.01)
Patent
CA 2586160
A ring mechanism for retaining loose-leaf pages has supporting hinge plates for pivoting motion relative to a housing to open and close ring members. The mechanism further includes a thin, flat travel bar between the housing and the hinge plates. The travel bar moves relative to the hinge plates between a position blocking the hinge plates against pivoting when the ring members are closed and a position allowing the hinge plates to pivot when it is desired to open the ring members. The travel bar is supported in a generally vertical orientation by the hinge plates within a guide in the housing. The guide controls movement of the travel bar lengthwise of the housing.
Smart & Biggar
World Wide Stationery Manufacturing Company Ltd.
LandOfFree
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