Jig-saw Patent #: 4137632
ApplicationNo. 06/306179 filed on 09/28/1981
US Classes:74/44, Crank, pitman, and slide30/394Including connecting rod articulated with saw blade or support
ExaminersPrimary: Staab, Lawrence J.
Attorney, Agent or Firm
International ClassesF16H 21/00 (20060101)
F16H 21/22 (20060101)
AbstractA reciprocating device which is composed of a base and a longitudinally movable member supported above the base on a support including rollers in engagement with the longitudinally extending member for guiding reciprocating movement of the member above the base and a motor connected through its drive shaft and wheels and gears to one end of the member for imparting cyclical or reciprocating movement to it above the base along a predetermined path defined by said rollers.