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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 45
212/281 Hoisting stops upon load being raised to a predetermined position (e.g., anti-two block) 55
212/278 Means determining overloading produced by load (e.g., strain gauges) 129
212/277 Senses crane tilt (e.g., outrigger sensors) 37
212/279 Sensor regulates counterweight or counterbalancing means 30

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8646629 Crane jib construction comprising biased tensile elements Feb. 11, 2014
8640895 Drum tensioning method and apparatus for load hoist wire rope Feb. 4, 2014
8618949 Lifting device efficient load delivery, load monitoring, collision avoidance, and load hazard avoidance Dec. 31, 2013
8505754 Crane, preferably crawler or truck crane Aug. 13, 2013
8421640 Tractor lift detection system for gantry cranes Apr. 16, 2013
8405328 Slewing control device and working machine incorporated with the same Mar. 26, 2013
8352128 Dynamic protective envelope for crane suspended loads Jan. 8, 2013
8267264 Calibration device, method and system for a container crane Sep. 18, 2012
8181798 Mobile or stationary working apparatus with telescopic extension arm elements whose position in relation to one another is detected by RFID technology May. 22, 2012
8055554 Inventory storage and retrieval system and method with guidance for load-handling vehicle Nov. 8, 2011
8025167 Crane control, crane and method Sep. 27, 2011
7950539 Load control device for a crane May. 31, 2011
7880633 Device and method for monitoring the position of a cable in a cable operated transportation system and a cable operated transportation system Feb. 1, 2011
7845503 Pipe-laying machine Dec. 7, 2010
7810659 Boom component display apparatus Oct. 12, 2010
7729832 Device for actuating an articulated mast Jun. 1, 2010
7712583 Method and apparatus for controlling automatic lifting and lowering type platform May. 11, 2010
7677401 Load monitoring and control system with selective boom-up lockout Mar. 16, 2010
7665620 Crane Feb. 23, 2010
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

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