Robertson screwdriver definition
WebThis actually wasn’t anything new—a square-drive screw had been invented and patented in 1875 by Allan Cummings, but was too difficult to manufacture. Robertson’s design tapered the sides of the square, making it possible to cold form screws by stamping them with a die. A Robertson screw, also known as a square screw or Scrulox, is a type of screw with a square-shaped socket in the screw head and a corresponding square protrusion on the tool. Both the tool and socket have a slight taper. Originally designed to enable the screws to be made using cold forming of the heads, the taper … See more Robertson screws are commonplace in Canada, though they have been used in other countries and are becoming much more common. As patents expired and awareness of their advantages have spread, Robertson … See more Background The internal-drive square socket for screws (as well as the corresponding triangular socket drive) had been conceived several decades before the invention of the Robertson screw and driver. An earlier … See more A new variation of the Robertson drive is the Nüvo drive system. Its screws are compatible with Robertson drive tools, but have rounded lobes … See more Many screw heads used in electrical applications (e.g., a typical NEMA 5-15R, breaker screws, and conduit screws) use a combination of a … See more
Robertson screwdriver definition
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WebIf you're like me you despise interchangeable-tip screwdrivers, the tip you need is always loose somewhere in the back of a drawer/toolbox...everyone I know has a good selection of Phillips and flat-head/slotted drivers, but rarely a proper Robertson (ie-"square") set -- this set includes the harder-to-find x-small #0 as well as the jumbo #4 (along with the more … WebRoberston Screwdriver The least common of the most common types of screwdrivers, the Robertson screwdriver tends to collect dust at the bottom of toolboxes. Though, it does offer a distinct advantage or reduced slippage – more so than Phillips screwdrivers.
WebAug 7, 2024 · A Robertson screwdriver is a type of screwdriver that has a square-shaped blade with a #2 Phillips head. The screwdriver is named after its inventor, Peter Robertson, who designed it in 1908. The Robertson screwdriver was designed to be more durable and easier to use than the traditional Phillips head screwdriver. Weba screwdriver with a tip that is designed to fit into the two intersecting slots of a Phillips screw… See the full definition ... Post the Definition of Phillips screwdriver to Facebook Facebook. Share the Definition of Phillips screwdriver on Twitter Twitter. Last Updated: 6 Apr 2024 - Updated example sentences.
WebElectrical-Insulating Screwdrivers. An insulated handle and shaft protect against shock from accidental contact with live electrical circuits. These tools are tested to 1, 000 volts to …
WebRobertson’s screws were superior to slot head screws since the square recess automatically centered the screwdriver, provided more surface area for the driver to …
WebApr 30, 2013 · He was a pitchman for a Philadelphia tool company, a traveling salesman who sold goods at trade fairs and on street corners throughout eastern Canada. He spent his … home improvement shallow wire basketWeb1 : a tool for turning screws see also flathead screwdriver, phillips screwdriver 2 : vodka and orange juice served with ice Example Sentences Recent Examples on the Web Amazon’s … him - don\u0027t fear the reaperWebRobertson screw n (Tools) trademark a screw having a square hole in the head into which a screwdriver with a square point ( Robertson screwdriver ( trademark )) fits [C20: after its … home improvements for tax deductionsWebThis screwdriver design is self-centering and enables easy one-handed driving with a secure fit. TORX® – Automotive and electronic applications often use TORX® driver tips. The six rounded points increase torque transfer and reduce operator fatigue by minimizing the needed driving force. him data integrity manager job descriptionWebA screwdriver is an essential part of any toolbox. You reach for one to assemble a crib, another to build a patio deck and yet another to install a bracket for a flat-screen TV. … him don\\u0027t fear the reaperWebRobertson screw n (Tools) trademark a screw having a square hole in the head into which a screwdriver with a square point ( Robertson screwdriver ( trademark )) fits [C20: after its inventor P. L. Robertson (1896–1951), a Canadian industrialist] home improvement shockwave head explodeWebRobertson screwdriver noun A type of screwdriver having a square tip, designed to drive a Robertson screw. Etymology: From Canadian inventor P. L. Robertson (1879-1951). How … him don\\u0027t fear the reaper lyrics