Composite push rod
AssigneePerformance Composites Inc
InventorEric H. English
Life of this patent
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Abstract
An adjustable length composite push rod constructed of a composite bar having two specially shaped ends to which metal end fittings bond via mating surfaces provided thereon for evenly distributing mechanical stress from the metal end fittings to the composite bar. The bar is constructed of a plurality of layers of sheets of thermosetting, epoxy impregnated, longitudinally oriented fiber material that form the inner portion of the push bar and a single outside sheet of thermosetting, epoxy impregnated, woven fiber material forms the outside portion of the bar.
Claims11
A composite push rod comprising:
- a hollow composite bar, a first end fitting bonded to a first end of said composite bar, a second end fitting bonded to a second end of said composite bar, both said first and second end fittings provided with a rounded end,
- said second end fitting adjustable in length,
- an inner portion of said bar constructed of multiple layers of sheets of thermosetting, epoxy impregnated, longitudinally oriented fiber material, and
- an outer portion of said bar constructed of a single layer of a sheet of thermosetting, epoxy impregnated, woven fiber material.
A composite push rod comprising:
- a hollow composite bar, a first end fitting bonded to a first end of said composite bar, a second end fitting bonded to a second end of said composite bar, both said first and second end fittings provided with a rounded end,
- said second end fitting adjustable in length,
- the first and second ends of the composite bar each provided with a beveled surface, a mating beveled surface provided on each of the first and second end fittings, and
- said mating beveled surfaces provided on the end fittings where the fittings bond to an end of the composite bar.
Dependencies are inferred from the claim text.