U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."

Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 212/323 - Bridge mounted motor for load lifting


Subclass of Class 212 - Traversing hoists
Definition: Subject matter wherein the load carried by the trolley is
No. of patents: 30
Last issue date: 05/08/2012


NumberTitleIssue Date
8172100Nacelle travelling crane
The present invention relates to an overhead travelling crane (2) for a nacelle (1) of a wind turbine, said travelling crane comprising at least a first suspension beam (3); a second suspension beam (4), said suspension beams being arrang...
05/08/2012
7918354Container lifter being able to lift two 40 feet containers
The invention is a container lifter which is able to lift two 40 foot containers at a time. It includes two sets of the crane main lifting mechanisms with the wire rope winding systems being separate. Pulleys arranged at the crane upper frame cooperate with two lift...
04/05/2011
7624883Crane trim, list, skew and snag protection system
The present invention utilizes a hoist drum with a three different drum sections, two cylindrical and one tapered, upon which the different ends of a lifting cable simultaneously spool on and off of as a function of counterclockwise and clockwise cable spooling. Thi...
12/01/2009
7552829Crane trim, list, skew and snag protection system
The present invention utilizes a hoist drum with a number of different diameter sections upon which the different ends of a lifting cable simultaneously spool on and off of as a function of counterclockwise and clockwise cable spooling. This combination reduces the ...
06/30/2009
7500575Crane trim, list, skew and snag protection system
The present invention utilizes a hoist drum with a number of different diameter sections upon which the different ends of a lifting cable simultaneously spool on and off of as a function of counterclockwise and clockwise cable spooling. This combination reduces the ...
03/10/2009
7093823Lifting unit
A lifting unit, comprising a frame for supporting a motorized winch, at least one first tackle and one second tackle, the first tackle being interposed between the second tackle and the winch, each tackle being provided with two blocks, a fixed one and a movable one...
08/22/2006
7073673Wire rope reeving support system for cargo container handling gantry cranes
A wire rope reeving support system for a cargo container handling crane having a transport trolley mounted for reciprocation along a horizontal gantry thereof and having a wire rope load hoisting system for the transport trolley wherein a mechanism is provided mid s...
07/11/2006
7040496Arrangement for placing crane mechanisms
The invention relates to an arrangement for placing crane mechanisms, the crane comprising lifting mechanisms (1) with lifting drums (2), lifting ropes (3) in the lifting drums, a lifting trolley (4), a loading element (5) suspende...
05/09/2006
6382437Crane apparatus
A crane system for carrying a load while suspending it from a portal-shaped body frame via wire ropes includes first and second wire ropes on both sides, in a right-and-left direction, of an upper portion of the body frame for fixing the suspended load, a...
05/07/2002
6250486Integrated balanced wire rope reeving system for cargo container handling cranes
An Integrated Balanced Wire Rope Reeving System for Cargo Container Handling Cranes wherein the same ropes perform both load hoist and trolley traversing operations....
06/26/2001
6126023Crane with improved reeving arrangement
A crane arranged through its reeving system to manoeuver a load. The crane includes an upper support structure, a lower support structure arranged to carry a load and six reeving cables suspending the lower support structure from the upper support structu...
10/03/2000
5425464Palletizing apparatus
A palletizing apparatus has a horizontally displaceable carriage movable on a horizontal member of a frame. A counter-weight is received in one or each of a pair of uprights and is connected via a cogged belt to the lifting slider which is provided with a...
06/20/1995
5421468Dockside container handling crane with high speed hoist system
A high speed cable hoist system for conventional dockside container handling cranes of the type comprising a frame and a movable boom extending laterally therefrom. The high speed cable hoist includes a hoist cable speed enhancing system which comprises a...
06/06/1995
5147051Hoisting device for individuals
A hoisting device for individuals includes a hoisting band which can be elevated and lowered in the vertical direction. The hoisting device comprises an elongated bracket on which a driving device is attached. The driving device is arranged to displace a ...
09/15/1992
4883184Cable arrangement and lifting platform for stabilized load lifting
The present invention is directed to a cable arrangement and lifting platform for lifting a load in a stabilized manner. The lifting platform secures loads to a securing device and the platform is able to be suspended from a crane by an attachment carriag...
11/28/1989
4858855Autonomous onboard loading device for a cargo-aircraft
The autonomous onboard device for loading a cargo-aircraft having a lateral door comprises hoisting means (10) movable between the exterior and the interior of the fuselage (F) of the aircraft along carrier and guide means (3,4,5), which comprise transver...
08/22/1989
4730743Hydraulically operated bridge crane
A bridge-crane structure wherein major structural components to sustain loads imposed upon the span are also major functional components of hydraulically controlled hoist mechanism of the crane. Specifically, closed upper and lower elongate cylinders are ...
03/15/1988
4667835Hydraulically operated cranes
A crane has a hollow substantially cylindrical load trolley supporting a girder and a support arrangement for the girder. A trolley track device is positioned on the outside of the hollow cylindrical girder for traversing a load along the girder means. A ...
05/26/1987
4648647Load handling apparatus
A long beam having designated forward and rearward ends includes a mounted load trolley for carrying and moving a load along a portion of its length, which beam is adapted for being carried aloft in a substantially horizontal attitude by a high lift crane...
03/10/1987
4544070Sway control arrangement for hoist systems
An apparatus for controlling sway and pendulous motion of suspended loads is disclosed which is particularly suited for embodiment in association with a mobile crane or similar hoist system. The arrangement includes stabilizing cables attached to a load l...
10/01/1985
4531647Device for stopping the swinging movement of a load hung by a crane
A device for stopping the swinging movement of a load hung by a crane. The crane includes a trolley mounted on an overhead girder of the crane with the trolley being capable of traveling back and forth on the overhead girder. A beam is pivotally supported...
07/30/1985
4305513Slack cable sensing apparatus
An apparatus is described for detecting a slack cable condition on material handling carriers, hoisting equipment and the like. The device is mounted adjacent the winch drum and is designed for disabling the operation of the winch when the load comes to r...
12/15/1981
4279347Anti-sway load handling apparatus
A load handling apparatus 10 having an anti-sway characteristic produced by suspending one end of a load bearing member 44 from a first trolley 38 which resists sway laterally along cross member 24 and the other end from a second trolley 54 which rides on...
07/21/1981
4181231Polar wye crane
A three point suspension crane for use on a circular track having the hoist machinery disposed on the crane at points proximate the engagement of the crane with the track....
01/01/1980
4106641Universal gantry crane
A travelling gantry crane is mounted for movement along rails laid on the weather deck of a ship, but is adaptable for shore installations. Preferably two similar cranes are used in face-to-face arrangement and operable together as a unit for maximum lift...
08/15/1978
4094493Gantry cranes
A gantry crane and gantry crane reeving are provided having two pairs of drums on each side of said gantry, an upper sheave assembly on the gantry above each drum, each drum having a pair of independent cables reeving from the drum to said upper sheave as...
06/13/1978
4027823Loading-unloading apparatus for a vehicle
An apparatus for loading and unloading a transporter vehicle by which at least half the load is loaded or unloaded at a time comprises a travelling frame which is mounted to be moved by a travel drive device along rails provided on a fixed frame. The trav...
06/07/1977
3999672Overrunning yoke self-loading carrier
Apparatus for automatically picking up and transporting elongated loads having one end only raised above ground comprises a tractor-drawn trailer with an elevated bridge from which a pair of load supporting yokes is suspended. At least one of the yokes is...
12/28/1976
3976202Balanced lifting beam
A single beam traveling crane includes a trolley movable over the beam and a hoist block arrangement located on opposite sides of the trolley frame. The winch which controls the hoist block cable is mounted at one end of the beam rather than on the trolle...
08/24/1976
3945503Crane with a variable center rope suspension system
A variable centers rope suspension system for a gantry crane including a pair of trolleys mounted on the crane and interconnected by a frame which reciprocates the trolleys with respect to each other. The trolleys are moved synchronously along the gantry ...
03/23/1976
 
Sign InRegister
Username  
Password   
forgot password?