Patent ID: 11958121
Assignee: BLACK & DECKER, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 9:
10. The reciprocating power tool of claim 9, wherein, during a return stroke of the reciprocating mechanism:
the first end portion of the reciprocating shaft is configured to move in the second direction away from the longitudinal centerline of the at least one guide slot from the first side of the at least one guide slot in response to movement of the at least one roller in a second longitudinal direction along the contoured portion of the contoured guide surface of the at least one guide slot; and
the second end portion of the reciprocating shaft is configured to move in the first direction away from the longitudinal centerline of the at least one guide slot from the second side of the at least one guide slot in response to the movement of the at least one roller in the second longitudinal direction along the contoured portion of the contoured guide surface of the at least one guide slot.