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The geometry of the way can vary depending on the situation. The most common types are flat, vee, and dovetail ways. Flat ways are used when there is little requirement for the slide to be constrained perpendicular to the axis of movement, or the constraint is being provided by another component or otherwise not needed, such as on the carriage of a lathe.
The company is family-owned. The founder, Leonard Lee, was a recipient of the Order of Canada.He founded the company in 1978, in Ottawa, Ontario.Over the next ten years, the company opened several more stores in Toronto and Vancouver, and started manufacturing its own line of tools (starting with the Veritas Dovetail Marker in 1982).
A prop-shaft assembly consists of a propeller shaft, a slip joint and one or more universal joints. Where the engine and axles are separated from each other, as on four-wheel drive and rear-wheel drive vehicles, it is the propeller shaft that serves to transmit the drive force generated by the engine to the axles.
Leonard G. Lee CM (July 17, 1938 – July 7, 2016) was a Canadian entrepreneur and founder of Lee Valley Tools and Canica Design. Lee was born in 1938 in Wadena, Sask., and grew up in a log cabin without electricity or running water.
The drive shaft may consist of one long shaft or a series of shorter shafts connected at both ends with flexible couplings, that allow the drive shaft to flex with the tail boom. The gearbox at the end of the tail boom provides an angled drive for the tail rotor and may also include gearing to adjust the output to the optimum rotational speed ...
In 1919 the Pennimans filed an unfair trade lawsuit against Eames (Atlas Press Co. v. Eames), claiming rights over the trademark, patent and improved design.The case was argued in front of the Michigan Supreme Court, which ruled that Eames had to cease use of the trademark, but refusing the transfer of the improved press to the Atlas company.
A bottom hole assembly (BHA) is a component of a drilling rig. It is the lowest part of the drill string , extending from the bit to the drill pipe . The assembly can consist of drill collars, subs such as stabilisers, reamers, shocks, hole-openers, and the bit sub and bit.
This tool was designed for a 2G Brown & Sharpe screw machine. A form tool is precision-ground into a pattern that resembles the part to be formed. The form tool can be used as a single operation and therefore eliminate many other operations from the slides (front, rear and/or vertical) and the turret, such as box tools. A form tool turns one or ...