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There are many variations in the design of quick couplers. The initial divergence is between those that can pick up any of a range of buckets and attachments by clamping onto the mounting pins for the attachment (known as "pin grabbers" or "pin couplers") and those that work only with buckets and attachments designed to suit that quick coupler (known as "dedicated").
A fluid coupling or hydraulic coupling is a hydrodynamic or 'hydrokinetic' device used to transmit rotating mechanical power. [1] It has been used in automobile transmissions as an alternative to a mechanical clutch .
For hoses and piping, a quick connect fitting, also called a push fitting, is a coupling used to provide a fast, make-or-break connection of gas or liquid transfer lines.. Operated by hand, quick connect fittings replace threaded or flanged connections, which require wrench
Nipples with mating safety couplings. Also known as pneumatic couplings, quick disconnects, air couplers, quick connect couplers, and quick couplers, hand-operable air-line fittings allow manual disconnection of gas supply lines, including compressed air and breathable air (a subset of breathing gases).
The coupling design is specified by CAN/ULC-S551-13 (25 mm and 38 mm forged couplers), CAN/ULC-S558-13 (25 mm and 38 mm non-forged couplers), and ULC/CAN-S574 (64 mm forged couplers), as well as USFDA 5100-192 (US Forest Service) and available for use with 19 mm, 25 mm, 38 mm, and 64 mm hose sizes.
A tiltrotator can best be described as a wrist between the arm of the excavator and bucket, or whatever other tool is fitted to the tiltrotator's quick coupler. With its integral quick coupler and rotary swivel, the tiltrotator can also use extra hydraulic functions to power and manipulate other worktools below it such as a breaker, grapple or an auger, which can be attached to the ...