(under subclass 55) Implement wherein the advancing means comprises a resilient member under stress for applying force against an end of the piece.
SEE OR SEARCH THIS CLASS, SUBCLASS:
53, for an implement including spring means to advance a piece of material and means engageable with the tool end of the piece to limit the extent of the projection of the tool (e.g., a cap which, when placed in tool-protecting position, provides an abutment for the tool end of the piece to determine the extent of projection of the piece upon removal of the cap).
54, for an implement including a spring for cushioning a piece of solid material against excess pressure which may be applied at its tool end.
62, for an implement including a resilient member to advance a piece of material and additional means to retract the piece.
