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Class Information
Number: 212/276
Name: Traversing hoists > Having random condition sensor combined with an indicator or alarm or controlling means or disabling means
Description: Subject matter including means for detecting the random occurrence of a predetermined situation and releasing, terminating, or modifying a flow of energy which in turn either produces a visually or audibly perceptible manifestation of the event or regulates a controlling or disabling means (e.g., motor, valve, solenoid, etc.).


Sub-classes under this class:

Class Number Class Name Patents
212/280 Boom movement stops responsive to overtravel or proximity to powerline 43
212/281 Hoisting stops upon load being raised to a predetermined position (e.g., anti-two block) 52
212/278 Means determining overloading produced by load (e.g., strain gauges) 120
212/277 Senses crane tilt (e.g., outrigger sensors) 35
212/279 Sensor regulates counterweight or counterbalancing means 27


Patents under this class:
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Patent Number Title Of Patent Date Issued
7426423 Crane or excavator for handling a cable-suspended load provided with optimised motion guidance Sep. 16, 2008
7308337 Crane installation, in particular container crane Dec. 11, 2007
7289876 Container crane, and method of determining and correcting a misalignment between a load-carrying frame and a transport vehicle Oct. 30, 2007
7252299 Steering system for crane Aug. 7, 2007
7206662 Crane installation, in particular container crane Apr. 17, 2007
7168724 Steering system for crane Jan. 30, 2007
7138925 Microprocessor integrated multifunction hoist system controller Nov. 21, 2006
7134563 Crane with manual input devices Nov. 14, 2006
7123132 Chassis alignment system Oct. 17, 2006
7034669 Anti-collision protection system Apr. 25, 2006
6985085 Safety view blind finder for a crane Jan. 10, 2006
6968963 Grappler control system for a gantry crane Nov. 29, 2005
6965823 Operating method and device for operating automated container quay cranes Nov. 15, 2005
6962091 System and method for measuring a horizontal deviation of a load receiving element Nov. 8, 2005
6894621 Crane safety devices and methods May. 17, 2005
6880712 Crane and method for controlling the crane Apr. 19, 2005
6744372 Crane safety devices and methods Jun. 1, 2004
6554144 Boom positioning device for high-position working Apr. 29, 2003
6549139 Crane safety device and methods Apr. 15, 2003
6496766 Crane monitoring and data retrieval systems and method Dec. 17, 2002
6343703 Anti-two block device using non-contract measuring and detecting devices Feb. 5, 2002
6308844 Method for handling an equipment inside a building by a crane installed outside Oct. 30, 2001
6202013 Articulated boom monitoring system Mar. 13, 2001
6140930 Crane safety devices and methods Oct. 31, 2000
6113341 Tracking cart system Sep. 5, 2000
6102373 Crane swing warning system Aug. 15, 2000
6067024 Obstacle avoidance and crushing protection system for outriggers of a chassis May. 23, 2000
6057777 Industrial position sensor May. 2, 2000
6002350 Cargo movement detection system Dec. 14, 1999
5967347 Lowering collision avoidance device of crane Oct. 19, 1999
5877693 Method and apparatus for measuring the length of a multi-section telescopic boom Mar. 2, 1999
5823370 Movable range indicating apparatus for mobile crane vehicle Oct. 20, 1998
5791861 Rotatable vacuum lifting and transporting apparatus Aug. 11, 1998
5764066 Object locating system Jun. 9, 1998
5730305 Crane safety apparatus Mar. 24, 1998
5729339 Swing angle measuring apparatus for swing free operation of crane Mar. 17, 1998
5649636 Adjustable load lifting device Jul. 22, 1997
5634565 Method for anticollision method and apparatus for cranes movable on a common path Jun. 3, 1997
5579931 Liftcrane with synchronous rope operation Dec. 3, 1996
5575220 Side roller assembly for gantry crane bridge wheels Nov. 19, 1996
5491549 Apparatus for acquiring pendulum oscillations of crane loads using measurement techniques Feb. 13, 1996
5481248 Overhead cranes having collision avoidance capabilities Jan. 2, 1996
5455567 Crane anti tractor lift system Oct. 3, 1995
5428344 Crane hoist safety deactivator Jun. 27, 1995
5392935 Control system for cable crane Feb. 28, 1995
5361916 Gate-handling crane Nov. 8, 1994
5358219 Crane claw tilt sensing and recovery Oct. 25, 1994
5343739 Gantry crane collision avoidance device Sep. 6, 1994
5314082 Sensing device for indicating improper orientation of a hoist lifting line May. 24, 1994
5260688 Crane hoist safety deactivator Nov. 9, 1993

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