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...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.

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Class 212/292 - BOOM POSITION LOCK


Subclass of Class 212 - Traversing hoists
Definition: Subject matter including a boom or boom sections and means
No. of applications: 10
Last issue date: 08/26/2010


Application No.Application TitleIssue Date
20100213154LOCKING AND BOLTING UNIT
A locking and bolting unit for sections telescoping out of a basic element, in particular sections of a telescoping boom of a mobile crane. The invention involves a locking and bolting unit for sections telescoping out of a basic element, in particular sections of a tel...
08/26/2010
20100193458Controller for an Adjustable Jib Extension of a Mobile Crane
The invention relates to a controller for an adjustable jib extension of a mobile crane, comprising a telescoping main jib and a jib extension placed thereon, the luffing angle of the extension being adjustable by way of a luffing winch or a piston-cylinder unit. For th...
08/05/2010
20100187194Locking System for Telescopic Crane Jib with Movable Locking Unit
The invention relates to a locking system for a telescopic crane jib, in particular for a mobile crane, in which a lock is established between a telescoping cylinder (10, 20) and a telescopic part (1-4) by means of a locking unit (21) in orde...
07/29/2010
20090301983Crane for handling of chains,wires,etc., and tools for same
The invention relates to a crane (10) for handling of chains, wires, shackles, messengers, etc., onboard a vessel, where one or more cranes (10) is arranged on or adjoining the deck of the vessel, and where each crane comprises a base part (12) with...
12/10/2009
20090230071Foldable Lifting Apparatus
Embodiments of a recoverably installable portable lift are disclosed. A novel feature of the present invention is the ability to retract to a stored position that does not interfere with other features or functions of the host apparatus. The disclosed invention further ...
09/17/2009
20090194499Boom of a Laying Mechanism and Method of Moving the Boom into a Vehicle Transport Position
Boom of a laying mechanism of a bridge laying vehicle, the laying mechanism being composed of a placement arm and the boom. The boom includes a base member that can be fixedly secured to the vehicle by at least one securement device. A jib, especially with locking eleme...
08/06/2009
20090173709Foldable portable hoist system
A foldable portable hoist system includes a foldable portable hoist assembly and a mounting base. The foldable portable hoist assembly includes a substantially vertical support, an upper support arm, and a diagonal brace assembly. Hinged attachment of slidable collars o...
07/09/2009
20090139948Connection system for crane boom segments
A crane has a boom with a boom segment connection system. The boom includes at least a first and second boom segment each with a longitudinal axis and a first and second end, the second end of the first segment being coupled to the first end of the second segment, and a...
06/04/2009
20090127218Boom Uplock Arrangement
Boom uplock arrangement for a loader, said loader comprising a least one movable boom arm (20) and a support means (70), wherein the boom arm (20) is provided with a horizontal, transversal through going hole (21), and a locking pin (42
05/21/2009
20070246436Hoist for retrieving and lifting loads
A hoist for retrieving, lifting and positioning a light load of up to about 1000 lbs, is described. The hoist comprises a boom support column having an attaching lower end and a boom support upper end. The boom support upper end has a boom assembly connector and a trans...
10/25/2007
 
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