Linear actuator
FIG. 1 is a perspective view of a linear actuator showing our new design; 
     FIG. 2 is a front elevational view thereof; 
     FIG. 3 is a view from one end thereof; 
     FIG. 4 is a view from the other end thereof; 
     FIG. 5 is a top plan view thereof; 
     FIG. 6 is a perspective view of a modified form of the linear actuator showing our new design; and 
     FIG. 7 is an end view of the modified form shown in FIG. 6. 
     The flexible cable is shown in alternate positions in FIGS. 1-5 and broken away in FIGS. 2-5 for ease of illustration.