Pivots Sentence Examples
An oblong metallic box fitted with pivots, whose bearings are attached to the triangular beams, forms the tube for two parallel telescopes; these are separated throughout their length by a metallic diaphragm.
The declination axis is here represented by what are practically the trunnions or pivots of the tube, resting in bearings which are supported by the arms of a very massive cast-iron fork bolted to the upper end of the polar axis.
This axis is a hollow forging of nickel steel, of which the accurately turned pivots rest on bearings attached to cast-iron uprights bolted upon a massive cast-iron base plate.
This float dips into a tank filled with mercury so that practically the entire instrument is floated by the mercury, leaving only sufficient pressure on the bearings to ensure that the pivots will remain in contact with them.
In mechanism it is usually the central line either of a rotating shaft or axle having journals, gudgeons, or pivots turning in fixed bearings, or of a fixed spindle or dead centre round which a rotating bush turns; but it may sometimes be entirely beyond the limits of the turning body.Advertisement
Friction of Pivots and Collars.When a shaft is acted upon b a force tending toshift it lengthways, that force must be balanced by the reaction of a bearing against a pivot at the end of the shaft; or, if that be impossible, against one or more collars, or rings projecting from the body of the shaft.
Hence the pivots already mentioned wear unequally at different points, and tend to alter their figures.
All pivots will be by ball joints or spherical bearings.
There is a beige grill which pivots about the side of the case, this reveals the cream PCI Sockets.
You'll need a thin, dry lube for the cables and pivots of your brakes and gears.Advertisement
Two Screens - The clamshell design of the Nintendo DS features a "lid" that pivots upward to reveal a second screen vertically parallel to the lower.
Pivoting Filter Basket - The filter basket in Classic models pivots for easy access.
The floating shaver head freely pivots and floats in relation to the shaver grip.
Here the crane-post is extended into a long mast and is furnished with pivots at the top and bottom; the mast is supported by two " back ties," and these are connected to the socket of the bottom pivot by the " sleepers."
The knuckle stands open until the coupling is pushed against another coupling, when the two hooks turn on their pivots to the position shown in fig.Advertisement
The doors had pivots of bronze revolving in well-fitted bronze cup-like sockets let into the thresholds.
It is utilized in the spindles of machinetools, in the balls and rollers for high-speed bearings, slides, pivots and such like.
The bearing of the pivot is called a step or footstep. Pivots require great hardness, and are usually made of steel.