Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 6726223 | Adjustable-length tool holder The adjustable-length tool holder for a rotating tool comprises a base element (7) which is provided with a coupling shank (9) for connecting to a machine tool and which, axially remote from the coupling shank (9), ends in a sleeve part (11 | 04/27/2004 |
| 6200073 | Combination chamfering and milling tool A combination chamfering tool and cutting tool for a milling machine that machines a wall and leaves a chamfered comer including a shaft having one section (12) dimensioned to slip into a mill collet. Another larger cylindrical section (14) is joined end-... | 03/13/2001 |
| 5660400 | Chuck and associated tool A chuck and tool assembly in which the tool is formed with a continuous axially extending flat surface along its elongated shank and has axially spaced depressions which narrow away from that surface. The holder body has an axial bore receiving the shank ... | 08/26/1997 |
| 5624214 | Adjustable drill bit extension An extendible tool holder having one end adapted for attachment to the shank of a drill bit and the other end adapted for attachment to a spindle. The tool holder includes an elongate shaft portion having a hexagonal cross-section slideably disposed withi... | 04/29/1997 |
| 5497443 | End machining apparatus and holding fixtures for optical connectors Provided is an optical connector end machining apparatus (1) which comprises a removing section (10) for removing an adhesive agent swollen on the respective end faces of optical connectors, a polishing section (20) located adjacent to the removing sectio... | 03/05/1996 |
| 5301962 | Tool holder A tool holder includes a base member (10), a shaft (12) arranged on the rearward end of the base member (10) for connection to a machine spindle and a front facing recess in the front end of the base member arranged coaxially with respect to the shaft axi... | 04/12/1994 |
| 5137289 | Chuck A shank (4) of the chuck (1) has an axially located cylindrical opening (41) for holding a fixation lug (5) of a tool (6). A stop piece (11, 12, 13) provided with a rack-like tooth member (14) is axially movably mounted in a bore (10) which is also axiall... | 08/11/1992 |
| 4260303 | Boring tools A boring tool has a cylindrical body (1) with cutter blades (7) slidable at an angle to the body axis. The projection of the blades beyond the body and thus the boring diameter is set by a rotatable advancing member (12) having a conical head (11) to enga... | 04/07/1981 |
