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

Claim 8:
9. The reciprocating power tool of claim 1, wherein, during an out stroke of the reciprocating mechanism:
the first end portion of the reciprocating shaft is configured to move in the first direction toward the longitudinal centerline of the at least one guide slot from a first side of the at least one guide slot in response to movement of the at least one roller coupled to the first end portion of the reciprocating shaft in a first longitudinal direction along 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 second direction toward the longitudinal centerline of the at least one guide slot from a second side of the at least one guide slot in response to the movement in the first longitudinal direction of the at least one roller along the contoured portion of the contoured guide surface of the at least one guide slot.