Importance

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Abstract

The invention is directed to an improved actuating mechanism. In the preferred embodiment, the actuating mechanism (15) is comprised of a split housing (16), a gear transfer system (18) enclosed in the housing, a threaded barrel (19) extending from the housing, a screw rod (20) threaded for movement through the barrel, an end plate (21) mounted to the housing opposite the barrel, the transfer system communicating with a driver input (22) and the barrel, whereby rotation of the transfer system will cause rotation of the barrel and axial movement of the screw rod through the barrel. The transfer system comprises beveled ring (23) and pinion (24) gears. The driver input comprises a square recess set in the pinion gear. The driver input may be adapted for operation with either a pneumatic driver or a manual driver. The housing is filled with grease and the barrel and housing are adapted to be greased by means of a conventional grease gun. The end plate and screw rod include clevis end connections (28, 32). The present invention also discloses an actuating mechanism in which the barrel and housing are adapted to allow removal of the end plate and the insertion of a second screw rod (31) threaded for movement through the barrel opposite the first screw rod, whereby rotation of the transfer system will cause axial movement of both screw rods through the barrel.

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First Claim