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Patent No. 5277148

Wearable Pet Enclosure

An enclosure for small animals which is wearable on the front or back of an animate being.

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Class 212/256 - And compensating means to maintain horizontal movement of load


Subclass of Class 212 - Traversing hoists
Definition: Apparatus wherein means are provided to keep the load at
No. of patents: 11
Last issue date: 02/19/2008


NumberTitleIssue Date
7331476Lifting appliance
A machine for lifting and handling loads with an orientable articulated placing jib, comprising a mast with a rotating pivot, an articulated jib (16) comprising a jib foot (19), articulated at its first end on the top of the mast by a horizontal rotati...
02/19/2008
7293951Lifting apparatus and method
A lifting apparatus and method according to which a load is mounted to a structure. The structure is rotated about a pivot axis so that the load is positioned over an object while remaining mounted to the structure, and the load is translated towards the pivot axis ...
11/13/2007
6901877Foam block replacement barge
A barge for replacing foam blocks that support floating docks. The barge is provided with a float sinker that removably attaches to the barge via a boom. The float sinker can be moved from side to side via the boom and can be rotated. The float sinker has clamp arms...
06/07/2005
5226776Foldable link rod for carrying an operative platform
Foldable link rod system to be placed on a travelling frame comprises pivotally suspended link rods (16, 18) for raising and lowering an operation platform (14). A rotating stool (20) constitutes the connection between two link rods (16 and 18) which are ...
07/13/1993
4828125Device for maintaining a tool attachment in a knuckle boom crane on a constant level above the ground
The invention relates to a device for maintaining a tool attachment in a knuckle boom crane, preferably for forest machines, on a constant level above the ground. The knuckle boom comprises a main boom which can be raised and lowered by means of a double-...
05/09/1989
4653656Double center luffing crane
A load lifting crane for raising the load at a site and moving the load in a substantially horizontal direction to a remote site where the load is lowered. The crane includes a base support member which has a pivotally supported vertically extending mast ...
03/31/1987
4606469Double link level luffing crane
To enable the crane driver of a double link level luffing crane to adapt the height of his cab above the ground to the size of the ship to be loaded or unloaded, the drivers cab is mounted at the end of a separate cab link having a hinge connection with a...
08/19/1986
4557391Method of controlling the angle of a pivotal boom with extensible sections
A method and apparatus is disclosed for controlling the angle of a pivoted, pendant supported extensible boom and the mast-boom angle between working positions and a transport position. The structure for controlling the angle includes a wire rope driven b...
12/10/1985
4354608Motion compensator and control system for crane
A motion compensation system for a crane hoist serves to assist the crane operator in safely lifting loads from the deck of a heaving work boat. The crane hook follows the motion of the load because a level of pre-tension is maintained on the line by use ...
10/19/1982
4081055Hydraulic device for controlling the perpendicularity of boom members in mobile platforms
In connection with a pair of articulated booms there is a leveling system consisting of a sprocket wheel at the base of the lower boom and a co-acting sprocket wheel at the free end of the upper boom with chains and rods interconnecting the two sprockets ...
03/28/1978
4058229Lifting mechanism for trucks
A lifting device for use on pickup trucks and the like for loading and unloading objects carried on a load support to and from the truck bed. The lifting device includes a pair of laterally spaced booms having lower ends pivotally supported on a frame. El...
11/15/1977
 
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