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Specialized also introduced the first major production mountain bike in the world, the Stumpjumper, in 1981. Like the Sequoia and Allez, the Stumpjumper was designed by Tim Neenan and based on an early Tom Ritchey design. Specialized continues to produce bikes under the Stumpjumper name, including both hardtail and full-suspension models. [8]
A sharp wood chisel in combination with a forstner wood drill bit is used to form this mortise for a half-lap joint in a timber frame. Parts of a wood chisel. Woodworking chisels range from small hand tools for tiny details, to large chisels used to remove big sections of wood, in 'roughing out' the shape of a pattern or design.
The combined blade and handle can reach two feet (60 cm) in length. The blade of a slick is slightly curved lengthwise, and/or the handle socket is cranked upward, such that the handle and socket clear the surface of the work when the edge is touching. This distinguishes the slick from the similarly sized, short-handled millwright's chisel.
The Earles fork is a variety of leading link fork where the pivot point is behind the front wheel, which is the basis of the Earles' patent. [3] Patented by Englishman Ernest Earles in 1953, the design is constructed of light tubing, with conventional 'shock absorbers' mounted near the front axle. The Earles fork has a very small wheelbase ...
An air hammer, also known as an air chisel, is a pneumatic hand tool used to carve in stone, and to break or cut metal objects apart. It is designed to accept different tools depending on the required function.
Many crosscut saws have a wooden handle with the return edge at right angles to the un-toothed edge of the saw blade, allowing the saw to serve as a square for marking material to be cut at a right angle. Larger saws used for forestry and logging work include both one-man and two-man saws, and both bucking and felling saws.
The claw tool (also known as the Hayward Claw Tool) is a forcible entry tool used by firefighters, made of steel, that has a hook on one end and a forked end on the other.
Coupland's elevators (also known as chisels) [1] [2] are instruments commonly used for dental extraction. They are used in sets of three each of increasing size and are used to split multi-rooted teeth and are inserted between the bone and tooth roots and rotated to elevate them out of the sockets. [ 3 ]