The rotary hook or rotating hook is a bobbin driver design used in lockstitch sewing machines since the 19th century. It triumphed over competing designs...

The White Family Rotary or White FR, later White Rotary or White Rotary Electric, was the first rotary hook sewing machine produced by the White Sewing...

Sometimes it refers to a bobbin case, and sometimes it refers to a rotary hook design. US patent 4750, published 10 September 1846  Singer Sewing Machine...

reason, and to differentiate it from the later White Family Rotary that used a rotary hook design instead, it came to be known as the "White Vibrating...

Canada: Saint-Jean-sur-Richelieu Material Fabric Needle(s) single 15x1 Stitch formation Straight lockstitch Vertical side-facing rotary hook Drop feed...

machines abandoned such designs in favor of the faster rotary and/or hook-based designs. Rotary and hook-based designs are superior because they do not cause...

invented it during the time period 1850 to 1854, while also developing the rotary hook. Wilson called it a "four-motion feed", in reference to the four movements...

earlier movements were rendered obsolete by the invention of the rotary hook and the shuttle hook, which run faster and quieter with less air resistance. These...

less vibration. Rotary hook machines hold their bobbin stationary, and continuously rotate the thread hook around it. The rotary hook was co-invented...

into partnership with Nathaniel Wheeler to produce a machine with a rotary hook instead of a shuttle. This was far quieter and smoother than other methods...

A roundabout, a rotary and a traffic circle are types of circular intersection or junction in which road traffic is permitted to flow in one direction...

inventions in this field were of particular importance in this regard: the rotary hook and the four-motion feed. He claims to have conceived the idea of a sewing...

difficult-to-reach seams—uses for which Elna was heavily advertised. Elna's drop-in rotary hook runs with little movement or noise, unlike oscillating shuttle machines...

with hooks) or their teeth are compared to a metal burr. Burrs are a rotary analog to files that cut linearly (hence their alternate name, rotary files)...

device to produce such pulse trains is the rotary dial of the telephone, lending the technology another name, rotary dialing. The pulse repetition rate was...

to remove material. There are two main types of broaching: linear and rotary. In linear broaching, which is the more common process, the broach is run...

hotline phones do not need a rotary dial or keypad. A hotline can also be called an automatic signaling, ringdown, or off-hook service. True hotlines cannot...

exchange (PBX) to a terminating device, such as a telephone, when an off-hook condition is detected. It indicates that the exchange is working and is ready...

operated a crank and connecting rod to convert rotary motion to reciprocating. The latter type, rotary, had at least one main shaft that made one [or...

best-known latch-hook company was Readicut (their rug kits were marketed through Shillcraft in North America). Patons and Baldwin invented the rotary "Patwin"...

metal, and may be used to secure a door from the outside or the in. A cabin hook is a hooked bar that engages into a staple. The bar is usually attached permanently...

The Old Rhinebeck Aerodrome is a living museum in Red Hook, New York, adjacent to the town of Rhinebeck. Founded in 1958, it owns many examples of airworthy...

The callouts in this illustration give information about a solar array rotary joint of the International Space Station. Description callout panel in NeoOffice...

powered by a rotary Wankel engine. The RX-8 was available for the 2003 model year in most parts of the world. The Mazda RX-8 utilizes a rotary Wankel engine...

Production of this variant was much lower than that of the rotary-dial Ericofons. A design flaw in the hook switch mechanism would cause the touch-tone version...

to release all of the weapons. A rotary launcher is a rotating suspension equipment mounted inside the bomb bay. Rotary launchers have stations of their...

is placed by picking the phone handset up off the base. The caller then rotary dials or presses buttons for the phone number needed to complete the call...

E.P. Griffith's whisk patented in England in 1857. Another hand-turned rotary egg beater was patented by J.F. and E.P. Monroe in 1859 in the US. Their...

Middle Park. Following scuba dives, no evidence exists that locomotive, rotary, or wreck debris rests at the bottom of Yankee Doodle Lake or Jenny Lake...

historical research and the publication of his findings. Hook served his local community in Rotary Club (1984–1995) including several directorships and as...