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The fulcrum head weeder has a split tip like a serpent's tongue, and a long thin handle. Many models have a curved piece of metal along the handle which is put against the ground while the tip is digging.
Spike pullers are self-propelled by a diesel engine and travel along the railroad tracks. A typical spike puller is a small, two axle machine. Most spike pullers are designed only to remove spikes on one side of the tracks, meaning that two machines must be used together to remove all the spikes from both rails.
A grapple is a hook or claw used to catch or hold something. A ship's anchor is a type of grapple, especially the "grapnel" anchor.. A soldier loading a hook. A throwing grapple, kaginawa (or "grappling hook" ) is a multi-pronged hook that is tied to a rope and thrown/launched to catch a grip, as on a parapet or branch of a tree. [1]
Uprooted tree stumps. Stump harvesting is not a new process. Records of tree stumps being dug out of the ground for wood fuel go back hundreds of years in Europe. It was practiced in the 1970s in Swedish forests before declining in popularity, but is being considered again there now that there is a greater need for fuel wood.
The tools operate on the basis of the hydraulic fluid pressure of up to 720 bars (10,400 psi; 72 MPa), which must be provided from a power source. At present, there are three different means of generating pressure. The most commonly used source is a separate power unit, small petrol (gasoline) engine connected to a hydraulic pump.
A cat's paw or cat's claw is a metal hand tool used for extracting nails, typically from wood, using leverage. A standard tool in carpentry, it has a sharp V-shaped tip on one or both ends, which is driven into the wood by a hammer to capture the nailhead. Essentially, it is a smaller, more ergonomic, purpose-designed crowbar.
A claw hammer is composed of a metal head and a handle, which historically was made of wood but also may be of steel, fiberglass, or other composite. One side of the head has a poll [ 1 ] with either a smooth or textured surface and used for driving, while the other is formed into a pair of downward curving V-shaped claws and used for prying ...
It is designed to wrap, capture, entangle and grip. Some are more elaborate and the claw actually closes and tightens when the rope/chain is pulled. Those are constructed with a spring mechanism within the metal claw that allows the claw to open and close as the tether is pulled or released. Some of the latter can grab trees and rip off the ...