
    427 A.2d 1211
    Collins, Jr. v. Kenworth Trucks Philadelphia, Inc. et al. Appeal of Kenworth Trucks Philadelphia, Inc.
    
      Argued September 11, 1979.
    D. Barry Gibbons, for appellant;
    Dennis Woody, for Collins, Jr., appellee;
    James W. Gould, for Paccar, appellee.
    Before PRICE, WIEAND and VAN der VOORT, JJ.
    
    
      
       Judge Donald E. Wieand is sitting by special designation.
    
   Order affirmed.  