d to their shafts by a taper jointwith key and nut. Each fork is provided with a capwhich has a stepped joint with the fork and is held inplace by two cap screws. The central, spherical portion is a hollow bronze cast-ing and has two holes closed with pipe plugs, throughwhich the lubricant can be… … lubricant cartridges. These cartridges are embeddedin the flanges of the ball, which between them form thegrooves for the fork rings. Each cartridge has a lubri-cant inlet opening to the lubricant chamber in the ball.The cartridge is bored out and is filled with compressedfelt, which is saturated…
Automobiles · Aeronautics
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