与 «ROBERTSON SCREW»相关的英语书籍
在以下的参考文献中发现
Robertson screw的用法。与
Robertson screw相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
One Good Turn: A Natural History of the Screwdriver and the ...
The square-headed screwdriver sits snugly in the socket: you can shake a
Robertson screwdriver, and the screw on the end will not fall off; drive a
Robertson screw with a power drill, and the fully set screw simply stops the drill
dead; no matter ...
2
The Broadview Anthology of Expository Prose, second edition
... one had switched to socket screws, and by 1939 most screw manufacturers
produced what were now called Phillips screws. The Phillips screw has many of
the same benefits as the Robertson screw (and the added advantage that it can
be ...
Tammy Roberts, Mical Moser, Don LePan, 2011
The Robertson screw was invented by P.L. Robertson in 1908 in Milton, Ontario.
The handles of the screwdrivers are color-coded to match the screw selected.
Screws fall into three main categories: slotted, Phillips and Robertson. You
already ...
4
Caledonia: Along the Grand River
The Robertson screw is still used around the world today. In the company's first
two decades it steadily expanded operations and by 1930 when the last patent
on the Robertson screw and the equipment used in its manufacture expired, the ...
5
Breakthrough!: Canada's Greatest Inventions and Innovations
The Robertson screw, as with all screws, is what the ancient Greeks and others
called a “simple machine.” Historically, there have been only five of these: the
lever, the wedge, the wheel and axel, the pulley, and the screw. All other
machines ...
6
Structures, Mechanisms, & Motion Gr. 2
Screws screw C monkey wrench screws screw screws adjustable wrench door
hinge screw e\ screwdriver ^/Phillips screw screws Phillips screwdriver
Robertson screw Robertson screwdriver wooden chest screw Science and
Technology: ...
... Chess .................. .. Screw heads, casting, Moulds for .......... .. N. S. Williams .......
........ .. . . D. M. Robertson .............. . . Screw gripe ........ . Screw plate . . . . . . . .
Screw taps.................... . . Screw for music stools . . . . . . . . . . . . . . . . . . . . . .
Scrubber .
United States House of Representatives, 1865
Paul Challen. X5ningiiiij.55i Mmip."'"!»p".mij""uffiii .mi ..mpi The Robertson
screwdriver has a square tip. m The Robertson screw and screwdriver were
named after the Canadian inventor, Peter L. Robertson. Robertson invented this
screw and ...
9
Residential Construction Academy: Carpentry
Other screwdrivers include the Robertson screw— driver, which has a squared
tip. Slotted screw— drivers are sized by the length of the blade and by the head
type. Lengths generally run from 3 to 12 inches. Screwdrivers should fit snugly, ...
10
Field Guide to Tools: How to Identify and Utilize Virtually ...
... 59-62 rasp, 102, 218-220,284 razor scraper, 29f right-angle screwdriver, 82b
ripping saw, 203, 204 RJ-11 jacks, 124 Robertson screw, 256 Robertson
screwdriver, 82g, 174 rod saw, 44 roller. See painting tools roofer's axe, 64b
roofing nail, ...
Aliza Green, John Kelsey, 2004
包含词语«ROBERTSON SCREW»的新条目
找出国内和国际出版社所讨论的内容，以及词语
Robertson screw在以下新条目的上下文中是如何使用的。
Canadians Screw Better
Every so often I buy a multi-tool screwdriver that was manufactured in the US ... If you put a Robertson screw on the end of the driver, it stays unless you turn it ... «Patheos, 七月 15»
On this week's Dragons' Den: Disrupting the market isn't always …
... Dickinson said yes to a pitcher looking to turn his invention into toolbox staple and in the process replace the ubiquitous Robertson screws and screwdrivers. «Financial Post, 二月 13»
Robertson screw, a Canadian invention, is the best there is
Recently, I had a conversation about wood screws when I was in Sills Hardware. The kind known as the Robertson was mentioned, and I was told that it was the ... «Seaforth Huron Expositor, 二月 11»
Nuts and Bolts: A Fasteners Guide
For instance, Robertson screws have a square recess in the drive head; cup washers ... For all kinds of projects, deck screws should form the heart of your screw ... «Mother Earth News, 三月 08»
