Actuator

Details Actuator Actuator

1995-10-20

1998-05-26

Footland, Lenard A.

Bearings

Linear bearing

Recirculating

F16C 2906

Patent

active

057555150

ABSTRACT:
An actuator comprises a base having a bottom wall and pair of side walls provided upright on right and left sides of the bottom wall, having a transverse cross section of an approximately U shape and form ed by extrusion of a light metal or a light alloy; a slider provided inside the base in such a way as to be movable along the lengthwise direction of the base, made of the same type of light metal or light alloy as that of the base, and having a pair of return paths; a pair of base side grooves formed in inner surfaces of the pair of side walls of the base; a pair of slider side grooves formed in right and left side surfaces of the slider at positions corresponding to the pair of base side grooves, the slider side grooves having a same shape as the base side grooves; a pair of base rails of steel securely attached to the pair of base side grooves and having rolling body tracks; and a pair of slider rails of steel securely attached to the pair of slider side grooves and having rolling body tracks which communicate with the return paths via a pair of reversal caps.

REFERENCES:
patent: 4869600 (1989-09-01), Tonogai
patent: 4952075 (1990-08-01), Rogers
patent: 5431498 (1995-07-01), Lyon

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