Patent References 3269197 3461732 3802079 Vibration dampening and heat sink mechanism for a reciprocating power saw Orbital bayonet saw Counterbalanced reciprocating mechanism Wobble plate drive Chuck mechanism Orbital and adjustable cant mechanism for reciprocating saws Reciprocating drive mechanism InventorAssigneeApplicationNo. 09/817189 filed on 03/27/2001US Classes:30/392, With means to reciprocate saw30/393, In uniplanar compound path30/394Including connecting rod articulated with saw blade or supportExaminersPrimary: Ashley, Boyer D.Attorney, Agent or FirmInternational ClassesB23D 49/00 (20060101)B23D 49/16 (20060101) B23D 51/00 (20060101) B23D 51/16 (20060101) Foreign Application Priority Data1999-03-12 JPAbstractA counterweight is provided to cancel axial vibration of a plunger of a saber saw. Swing rollers, rotatably supported at both ends of a roller shaft provided at a rear end of the plunger, interpose between a pair of opposing tracks formed in an axially elongated groove formed on the counterweight. | |