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Class Information
Number: 14/41
Name: Bridges > Draw > Bascule > Locking devices
Description: Devices for positively locking the movable parts of bascule bridges against vertical or lateral movement.

Patents under this class:

Patent Number Title Of Patent Date Issued
8590086 Wear resisting span lock system Nov. 26, 2013
8387191 Gangway bearing retainer plate Mar. 5, 2013
6701562 Span lock with centering guide Mar. 9, 2004
6588041 Pre-load adjustment for span lock system Jul. 8, 2003
6453494 Movable bridge center lock Sep. 24, 2002
5327605 Energy-absorbing span lock system for drawbridges Jul. 12, 1994

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