Machine Design
In hydrostatic bearings

The oil film is maintained by supplying oil under pressure
Do not require external supply of lubricant
Grease is used for lubrication
The Oil film pressure is generated only by the rotation of the journal

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Machine Design
The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to

Have variable bending moment (M) in each leaf
Make M/I constant throughout the length of the leaf
Permit each leaf to act as an overhanging beam
Obtain variable moment of inertia (I) in each leaf

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