| CPC B25B 1/103 (2013.01) [B25B 1/02 (2013.01)] | 10 Claims |
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1. A vise having a fixed block, a movable head and a rod having a rotational axis and having a threaded portion and a non-threaded portion connecting the fixed block to the movable head, said movable head movable relative to said fixed block along said rotational axis and wherein said vise is configured to operate in both a threaded mode and an unthreaded mode, wherein in said threaded mode, the movable block can only be moved along said rotational axis by applying rotational force to the rod, and wherein in said unthreaded mode, the movable head can only be moved along said rotational axis by applying force directly to the movable head, and said vise further comprising:
a ratchet mechanism including a frame and a ratchet subassembly disposed within the frame, and wherein said ratchet subassembly includes
an inner ring having a proximal portion and a distal portion, and wherein said inner ring further defines an opening for receiving the non-threaded portion of the rod, and wherein the inner ring is configured to rotate as the rod is rotated;
a proximal external ratchet ring positioned around the proximal portion and configured to selectively engage thereto, and wherein said proximal external ratchet ring further includes at least one ramp configured to selectively engage a trigger,
a distal external ratchet ring positioned around the distal portion and configured to selectively engage thereto, and wherein said distal external ratchet ring further includes at least one ramp configured to selectively engage a trigger; and
wherein when the inner ring is rotated in a first direction, only one of the proximal external ratchet ring and distal external ratchet ring rotates therewith, and wherein when the inner ring is rotated in a second direction opposite to the first direction, the other of the proximal external ratchet ring or distal external ratchet ring rotates therewith,
a threaded mechanism including a housing and a jaw cylinder subassembly disposed within the housing, and wherein said jaw cylinder subassembly is configured to engage a switch that facilitates rotation of the jaw cylinder subassembly within the housing, said wherein said jaw cylinder subassembly includes
a jaw ring defining an opening for receiving the threaded portion of the rod; and
at least one vise jaw at least partially disposed within the jaw ring and having a threaded surface configured to selectively engage the threaded portion of the rod, and wherein said at least one vise jaw is engaged to both the jaw ring and housing such that when the jaw cylinder subassembly rotates in a first direction, the threaded surface engages to the rod, and when the jaw cylinder subassembly rotates in a second direction opposite to the first direction, the threaded surface disengages from the rod;
a toggle mechanism connecting ratchet mechanism to the threaded mechanism, and wherein said toggle mechanism includes
a switch rod;
a trigger defining an opening for receiving an end of said switch rod and configured to selectively engage the at least one ramp of the proximal external ratchet ring or the at least one ramp of distal external ratchet ring;
a switch defining an opening for receiving another end of said switch rod and configured to engage the jaw cylinder subassembly and selectively rotate it in either the first direction or the second direction; and
said one end of said switch rod disposed in the opening of the trigger and said other end of said switch rod disposed in the opening of the switch.
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