"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7311478 | Toolholder A tool holder (20) comprises a body portion (32), a support member assembly (33) mounted to the body portion and an insert-receiving cartridge (36) removably received in the support member. The insert-receiving cartridge (36) inclu... | 12/25/2007 |
| 7017246 | Turning tool for grooving polishing pad, apparatus and method of producing polishing pad using the tool, and polishing pad produced by using the tool Disclosed is a turning tool for cutting circumferential grooves into a surface of a polishing pad formed of a resin material and utilized for polishing semiconductor devices. The turning tool comprising a cutting part arranged to have a tooth width within a range of... | 03/28/2006 |
| 6227771 | Means for mutually parallel displacement of tool holders A metal-cutting mechanism includes an externally threaded screw and a set of non-rotatable insert holders spaced apart equidistantly along an axis of the screw. There are at least first, second, third, and fourth holders arranged axially in succession. Th... | 05/08/2001 |
| 5031491 | Tool device A tool device has a toolholder and a profile tool detachably secured to this, both of which comprise stops cooperating with one another for the precise positioning of the cutting profile of the profile tool relative to the toolholder which can be mounted ... | 07/16/1991 |
| 5029500 | Cam shaft tool A cam shaft tool for a slide type lathe. The invention generally comprises an improved adjustable tool wherein a plurality of holders each carrying a cutting insert is fixed to a main block via an adjustment block. The holder is radially adjustable relati... | 07/09/1991 |
| 4938110 | Cam shaft tool A cam shaft tool for a slide type lathe. The invention generally comprises an improved adjustable tool wherein a plurality of holders each carrying a cutting insert is fixed to a main block via an adjustment block. The holder is radially adjustable relati... | 07/03/1990 |
| 4867021 | Tool bar assembly A boring bar assembly having a symmetrical carbide tip holder for turning a brake drum and which can be rotated 180 degrees for facing either or both sides of a rotor of a disc brake. A hexagonal bar provides a housing for receiving a depth of cut mechani... | 09/19/1989 |
| 4626153 | Draw-knife A draw-knife for producing keyways and for profiling workpiece bores comprising a knife bar whose head portion carries a cutting member which comprises two knife plates arranged side by side in the same plane and being coaxially adjustable, and an immobil... | 12/02/1986 |
| 4599923 | Tool bit and holder assembly A tool bit and holder assembly is disclosed wherein a tool holder having a dove-tailed tang for connection with a mounting tool post is provided with a longitudinal groove in one face thereof; the groove having parallel, longitudinally extending and angul... | 07/15/1986 |
| 4357847 | Multiple-blade system as a turning tool for the cutting machining of workpieces A multi-bladed tool system for use with automatic bar lathes and screw machines is disclosed. Parting and chamfering blades are claimed in an elongated holder in predetermined spaced relationship according to intended workpiece configuration by spacer ele... | 11/09/1982 |
| 4231691 | Dual cutter boring head The head has a transverse groove in its leading face in which two cutting blade holders with interchangeable cutting blades are clamped by means of a set screw. After loosening of the set screw, the cutting blade holders can be radially and axially adjust... | 11/04/1980 |