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Class 254/221 - With projections or apertures on drum for engagement with complementary formations on material or cable


Subclass of Class 254 - Implements or apparatus for applying pushing or pulling force
Definition: Implements or apparatus in which the drum has projections
No. of patents: 10
Last issue date: 03/20/2007


NumberTitleIssue Date
7192009Chain winch
A chain winch comprising a slack adjustor arranged for attachment to a chain for securing loads. The chain winch has a winding shaft and cooperating slack adjustor mounted on a frame for continuous rotation of the winding shaft by the slack adjustor, and the winding...
03/20/2007
7086122Ratchet-type buckle and snowboard binding
A ratchet-type buckle (100) is disclosed for use with a ladder strap (80), wherein the buckle includes a toothed, barrel-shaped strap engagement member (140) that is rotatably mounted between oppositely disposed sidewalls (130) that are p...
08/08/2006
7029072Modified rumble strip cutter
A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr...
04/18/2006
6199830Chain elevator
The invention relates to a chain elevator comprising an elevating chain (1) made up of links (2) attached to each other, whereby the planes formed by adjacent links are primarily at a 90° angle in relation to each other; an elevating element (3) having a...
03/13/2001
6076805Rope pulling device
A rope pulling device includes a come-along (20) having a frame (30) on which are mounted an anchor end grip assembly (200) and a load end grip assembly (300). During operation, the anchor end grip assembly is locked on the rope. A hook (100) is carried o...
06/20/2000
4647014Device of the kind comprising two telescopically coordinated members
A telescopic device with two telescopic members (1, 2) comprises a control means with a flexible transmission element (4) for bringing the telescopic members in relative movement. The transmission element (10) is in engagement with a driving wheel (5), wh...
03/03/1987
4576363Lever-operated hoist or puller
A portable hoist or puller has two facing half shell members housing a chain sprocket rotatably affixed to a drive shaft supported for rotation by a pair of rollers. The first roller is slidably fixed for rotation with the drive shaft while the second is ...
03/18/1986
4367993Truck load binder tightener
A supporting bracket is secured to the housing of a tightener for a load binder used with a truck. The bracket extends outwardly in overlapping engagement with the upper surface of the inwardly projecting flange of a truck bed side rail and is slidable al...
01/11/1983
4274184Mesh distribution wheels
Mesh distribution wheel for handling seine lines or like net materials. The wheel is provided with a series of pins directed radially outwards which are adapted to engage respective meshes in a series of meshes in the seine line or like materials. The pin...
06/23/1981
4273486Winch and chain attachment assembly
Low-height reversible ratchet tie-down winch for flat decked vehicles. The tie-down winches are adjustably mounted in retainer channels extending along each side of the deck of the vehicle. Each winch is rotatably mounted between the top and bottom walls ...
06/16/1981
 
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