A piece, as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis.
A small piece of ordnance, turning on a point or swivel; -- called also swivel gun.
To swing or turn, as on a pin or pivot.
a fastening device that allows the parts attached to it to rotate freely. Back to Glossary Index
a rotary tool that is hung from the rotary hook and traveling block to suspend the drill stem and to permit it to rotate freely. it also provides a connection fore the rotary hose and a passageway of the flow of drilling fluid into the drill stem.
a coupling (as in a chain) that has one end that turns on a headed pin
a pivoted rest for a gun, esp
The metal item that goes between the leash and the jesses to prevent any tangling.
drilling equipment – the fitting at the top of the drill string enables the flow of drilling mud into the drill rods while simultaneously permitting them to rotate.
An accessory used between the helicopter cargo hook and sling load to allow free turning of the load.
The attachment hook for the sling to the stock.
a square or round pivoting rowlock
Mechanical device attached to jesses and leash to reduce a bird's entanglement when moving about.
This bar stool feature includes some kind of mechanism that allows the seat to rotate.
a small fitting that attaches to a blow hose keeping it from tangling or twisting.
A rotating fitting used to keep a line from tangling.
Usually refers to a fitting to one or both cab seats which means they can be turned around to face the rest of the living quarters when the vehicle is parked
Connection that allows the connected parts to rotate freely so that they do not become twisted together.
A device joining two parts so that the moving part can pivot freely.
A swivel is a connection that allows the connected object, such as a gun or chair to rotate horizontally and/or vertically. A common design for a swivel is a cylindrical rod that can turn freely within a support structure. The rod is usually prevented from slipping out by a nut, washer or thickening of the rod.