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| Number | Title | Issue Date |
| 7240594 | Toolholder assembly An apparatus is disclosed for releasably holding a toolholder shank having a lockable surface and a releasable surface utilizing an actuating bolt with an associated threaded actuating nut. When the actuating bolt is rotated in a locking direction, the actuating nut... | 07/10/2007 |
| 5833402 | Removable copying cutter The present invention relates to a copying cutter provided with a cylindrical or conical body having a spherical end, constituting the active portion of the cutter, said end including a plurality of flutes inclined at a determined angle θ relative to the... | 11/10/1998 |
| 4998849 | Earth anchor driving and removing apparatus and method therefore A Kelly bar adapter for use with earth anchor driving machinery is disclosed. The adapter allows for pivotal connection of an earth anchor or earth anchor extension rod thereto. Thus, a vertically hanging Kelly rod may be attached to an earth anchor or it... | 03/12/1991 |
| 4902178 | Rapid fixation device A rapid securement device for a tool or workpiece holder, comprising an elongated stem, and an elongated axle extending through the stem for axial movement relative to the stem. The stem has a head thereon, the head having a hole therethrough that registe... | 02/20/1990 |
| 4701084 | Attaching method for shell-type milling cutter The present invention relates to a method for attaching a shell-type milling cutter wherein an area for fastening the shell-type milling cutter to its cutter arbor is increased to raise rigidity and attachment strength thereby making high-speed and heavy-... | 10/20/1987 |
| 4477096 | Socket retainer An elastic ring for maintaining a pin in a hole formed in a socket and work drive shaft of a rotary tool. The ring has integral fingers which project into the ends of the hole so that the pin cannot dislodge the ring by centrifugal force when the tool is ... | 10/16/1984 |
| 4413686 | Wedge arrangement for locking together hammerhead and anvil When inserting a locking wedge (14) having planar wedge surfaces (16, 17) between an anvil (4; 5) and a hammerhead (1) or an anvil block lining (6) the wedge (14), which is provided with a draw head (18; 22) is drawn in between two mutually converging loc... | 11/08/1983 |
| 4348365 | Crystal seed holder assembly A crystal seed holder assembly for retaining a crystal seed used to grow a ribbon of crystal by the EFG technique is disclosed. The holder assembly is arranged so that the seed is not subjected to fastener stress, can expand without thermal stress and can... | 09/07/1982 |
| 4302055 | Wedgingly mounted tool holder or adapter for a cutting head A tool mounting for a planing machine in which the cutting tools are exposed to high tangential forces. The tool is held on a rotary drum by a wedging action so as to be more readily replaced. The tool may comprise separate adapter and cutter bit componen... | 11/24/1981 |
