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A master link or quick-release link is a roller chain accessory that allows convenient connection and disconnection of a chain without the need for a chain tool. [1] It acts as a set of the chain's outer plates, so joining two sets of the chain's inner plate ends. Such master links may or may not be re-usable. [2]
A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...
Polish LM-60D 60mm mortar with an adjustable bipod, with a baseplate as the third point of support. A bipod is a V-shaped portable attachment that helps support and steady a device, usually a weapon such as a long gun or a mortar. The term comes from the Latin prefix bi-and Greek root pod, meaning "two" and "foot" respectively. [1]
An Atlas robot connects a hose to a pipe in a Gazebo computer simulation. Simulated image of Atlas robot climbing into a vehicle. Atlas is intended to aid emergency services in search and rescue operations, performing tasks such as shutting off valves, opening doors and operating powered equipment in environments where humans could not survive. [1]
Most camera equipment includes a built-in female 1/4-20 receptacle, so the majority of tripod heads utilize a male 1/4-20 screw as their head mounts. Many consumer level tripod heads use the bare head mount to attach the camera, but higher end models often include a camera mounting system that is pre-attached to the head mount.
The throw-out system allows the skydiver to deploy his or her pilot chute directly into the air stream. Other inventions include the Skyhook RSL [5] [6] safety device and the "Sigma System" for tandem drogue release. Booth founded The Relative Workshop, a sport skydiving equipment manufacturer that introduced the WonderHog harness/container system.
An 1898 Royal Enfield quadricycle. Royal Enfield built and sold the first powered four-wheeler in 1893. It had many bicycle components, including handlebars. The Royal Enfield resembles a modern ATV-style quad bike but was designed as a form of horseless carriage for road use.
There are a few different variations of the 3-ring system. The original 3-ring release from the late 1970s is now known as large 3-rings. A version using smaller rings (mini rings) was introduced in the 1980s. The reasons for the development of the mini ring system and the associated smaller risers were mostly aesthetic; the mini rings do not ...