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A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. In a more general context, a coupling can also be a mechanical device that serves to connect the ends of adjacent parts or objects. Couplings do not normally allow disconnection of shafts during operation, however there are torque limiting couplings which can slip or disconnect when some torque limit is exceeded. Selection, installation and maintenance of couplings can lead to reduced maintenance time and maintenance cost.
An arrow is a fin-stabilized projectile that is launched via a bow, and usually consists of a long straight stiff shaft with stabilizers called fletchings, as well as a weighty arrowhead attached to the front end, and a slot at the rear end called the nock for engaging the bowstring. The use of bows and arrows by humans predates recorded history and is common to most cultures. A craftsman who makes arrows is a fletcher, and one that makes arrowheads is an arrowsmith.
Shaft is a 1971 American crime action film directed by Gordon Parks and written by Ernest Tidyman and John D. F. Black. It is an adaptation of Tidyman's novel of the same name and it's the first entry in the Shaft film series. The plot revolves around a private detective named John Shaft who is hired by a Harlem mobster to rescue his daughter from the Italian mobsters who kidnapped her. The film stars Richard Roundtree as Shaft, alongside Moses Gunn, Charles Cioffi, Christopher St. John and Lawrence Pressman. The film deals with themes like the Black Power movement, race, masculinity, and sexuality. It was filmed in Harlem, Greenwich Village, and Times Square within the Manhattan borough of New York City. The Shaft soundtrack album, recorded by Isaac Hayes, was also a success, winning a Grammy Award for Best Original Score Written for a Motion Picture and a second Grammy that he shared with Johnny Allen for Best Instrumental Arrangement. The "Theme from Shaft" won the Academy Award for Best Original Song and has appeared on multiple Top 100 lists, including AFI's 100 Years...100 Songs. A prime example of the blaxploitation genre, It was selected in 2000 for preservation in the United States National Film Registry by the Library of Congress for being "culturally, historically, or aesthetically significant."
Shafter is a city in Kern County, California, United States. It is located 18 miles (29 km) west-northwest of Bakersfield. The population was 16,988 at the 2010 census, up from 12,736 at the 2000 census. The city is located along State Route 43. Suburbs of Shafter include Myricks Corner, North Shafter, Smith's Corner, and Thomas Lane.
An axle or axletree is a central shaft for a rotating wheel or gear. On wheeled vehicles, the axle may be fixed to the wheels, rotating with them, or fixed to the vehicle, with the wheels rotating around the axle. In the former case, bearings or bushings are provided at the mounting points where the axle is supported. In the latter case, a bearing or bushing sits inside a central hole in the wheel to allow the wheel or gear to rotate around the axle. Sometimes, especially on bicycles, the latter type axle is referred to as a spindle.
The humerus is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius and ulna, and consists of three sections. The humeral upper extremity consists of a rounded head, a narrow neck, and two short processes. The body is cylindrical in its upper portion, and more prismatic below. The lower extremity consists of 2 epicondyles, 2 processes, and 3 fossae. As well as its true anatomical neck, the constriction below the greater and lesser tubercles of the humerus is referred to as its surgical neck due to its tendency to fracture, thus often becoming the focus of surgeons.
OHL or Ohl may refer to:
A power take-off or power takeoff (PTO) is any of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machine.
Engineering tolerance is the permissible limit or limits of variation in:
- a physical dimension;
- a measured value or physical property of a material, manufactured object, system, or service;
- other measured values ;
- in engineering and safety, a physical distance or space (tolerance), as in a truck (lorry), train or boat under a bridge as well as a train in a tunnel ;
- in mechanical engineering the space between a bolt and a nut or a hole, etc.
A transmission is a machine in a power transmission system, which provides controlled application of the power. Often the term 5-speed transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device.
A manual transmission, also known as a manual gearbox, a standard transmission, stick shift, gearbox, or clutch, is a type of transmission used in motor vehicle applications. It uses a driver-operated clutch, usually engaged and disengaged by a foot pedal or hand lever, for regulating power and torque transfer from the engine to the transmission; and a gear selector that can be operated by hand.
In automotive design, an FF, or front-engine, front-wheel-drive (FWD) layout places both the internal combustion engine and driven roadwheels at the front of the vehicle.
A golf club is a club used to hit a golf ball in a game of golf. Each club is composed of a shaft with a grip and a club head. Woods are mainly used for long-distance fairway or tee shots; irons, the most versatile class, are used for a variety of shots; hybrids that combine design elements of woods and irons are becoming increasingly popular; putters are used mainly on the green to roll the ball into the hole. A standard set consists of 14 golf clubs, and while there are traditional combinations sold at retail as matched sets, players are free to use any combination of 14 or fewer legal clubs.
Shaft is a 2000 American action thriller film directed by John Singleton and starring Samuel L. Jackson, Vanessa L. Williams, Jeffrey Wright, Christian Bale, Dan Hedaya, Busta Rhymes, Toni Collette and Richard Roundtree.
A drive shaft, driveshaft, driving shaft, tailshaft, propeller shaft, or Cardan shaft is a mechanical component for transmitting torque and rotation, usually used to connect other components of a drive train that cannot be connected directly because of distance or the need to allow for relative movement between them.
Richard Roundtree is an American actor and former model. Roundtree is noted as being "the first black action hero" for his portrayal of private detective John Shaft in the 1971 film Shaft, and its four sequels, released between 1972 and 2019. For his performance in the original film, Roundtree was nominated for the Golden Globe Award for New Star of the Year – Actor in 1972.
Shaft mining or shaft sinking is excavating a vertical or near-vertical tunnel from the top down, where there is initially no access to the bottom.
A spindle is a straight spike usually made from wood used for spinning, twisting fibers such as wool, flax, hemp, cotton into yarn. It is often weighted at either the bottom, middle, or top, commonly by a disc or spherical object called a whorl; many spindles, however, are weighted simply by thickening their shape towards the bottom, e.g. Orenburg and French spindles. The spindle may also have a hook, groove, or notch at the top to guide the yarn. Spindles come in many different sizes and weights depending on the thickness of the yarn one desires to spin.
Auchy-les-Mines is a commune in the Pas-de-Calais department in the Hauts-de-France region of France. Until 1926 it was named Auchy-lez-La-Bassée.
Horse harness is a device that connects a horse to a vehicle or another type of load.
References
- ↑ Shaft Katuka at National-Football-Teams.com
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