Patent ID: 11964375
Assignee: BLACK & DECKER, INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 17:
18. The multi-speed power tool of claim 7, wherein the speed selector comprises:
a shift member inside the housing moveable among the first plurality of positions;
a switch accessible from outside the housing, coupled to the shift member, and moveable among a second plurality of positions corresponding to selected output speeds of the transmission to cause movement of the shift member among the first plurality of positions; and
at least one spring disposed between the shift member and the switch,
wherein if the switch is moved from a first switch position to a second switch position of the second plurality of positions and the shift member is blocked from moving from a first speed position to a second speed position of the first plurality of positions, the shift member remains stationary and when the shift member is later unblocked from moving from the first speed position to the second speed position, a force provided by the at least one spring urges the shift member to move to the second speed position while the switch remains stationary.