Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7338237 | Drill and drill tip for chip removing machining The present invention relates to a drill and a drill tip for chip removing machining. The drill has a drill body, a drill tip and a shank portion. The drill tip comprises at least one cutting edge and at least one peripherally arranged guide member. The drill has a ... | 03/04/2008 |
| 6851194 | Reciprocating saw having a blade holding device A reciprocating saw includes a main body, a blade holding device mounted on the main body, and a blade detachably mounted on the support seat of the main body by the blade holding device. The blade holding device includes a bushing, a slide, a sleeve, a positioning ... | 02/08/2005 |
| 6810782 | Detachable tool fixing mechanism and tool for use therewith A tool fastening mechanism has a housing 2, in which a clamping opening 3 is embodied for receiving a tapering tool shaft clamping end 4 of a tool part 5. The clamping opening 3 tapers inward in the introduction direction of the cl... | 11/02/2004 |
| 6126175 | Collet-stop assembly A collet-stop assembly for fixing the position of a work-piece or tool ("item") intended to be held immobile by and within a collet during machining operations. The assembly includes a stop-collar for gripping a stop-unit to be placed in direct contact wi... | 10/03/2000 |
| 5810367 | Wrenchless holder for working tools The blade holder includes a mounting portion for attachment to the reciprocating plunger of a power saw. The blade holder also includes an integral exposed portion provided with a slot for receiving a substantial portion of the shank of the blade. The slo... | 09/22/1998 |
| 4804301 | Central drawbar coupling actuating mechanism Central drawbar operated tooling connection system wherein a pair of wedges are positively driven laterally outward and retracted by reciprocation of a central drawbar. Mechanical advantage of a key slot between drawbar and wedges plus mechanical advantag... | 02/14/1989 |
| 4585369 | Mechanical connection means This connection means comprises a male connector (1) with a circular groove (5) and a female connector comprising a body (2), a cap (3) and a sleeve (4). The cap (3) hangs from the bottom end of body 2 within which it is able to partly slide. The cap has ... | 04/29/1986 |
| 4570327 | Die holder mechanism for a stamping machine or the like A die or like tooling is precisely oriented in a horizontal attitude for lowering into a tool-receiving recess in a machine frame by moving it against a guide member projecting above the tool holder and then moving both tool and guide member downwardly to... | 02/18/1986 |
| 4171656 | Tools and dies facilitating accurate positioning of tools and their connection to retainers The invention is directed to a retainer having a primary bore and a secondary bore parallel thereto with a web therebetween, a tool or die element having a shaft-like portion and also a flange on one end, a groove in the shaft-like portion, said groove ex... | 10/23/1979 |
