Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7318692 | Spindle for a machine tool with improved tool ejection feature A spindle unit for a machine tool includes a drive unit having a drive shaft and a spindle head assembly constructed for receiving a tool and having a hollow spindle head shaft driven by the drive unit. Arranged for axial displacement in the hollow spindle head shaf... | 01/15/2008 |
| 7296804 | Hand-held instrument holder for surgical use A surgical instrument holder has a shank having a coupling end, a handle attached to an opposite end of the shank, a coupling device, and a locking mechanism. The coupling end has an interface thereon for receiving an instrument. The locking mechanism has an annular... | 11/20/2007 |
| 7268867 | Apparatus and method for inspecting a semiconductor component Examination devices and methods operating with incident light have hitherto been used for the examination of wafers. To allow these devices also to be used with the transmitted-light method, it is proposed to configure the substrate holder (16) so that an ill... | 09/11/2007 |
| 7243922 | Drill chuck tool bit locator A drill chuck having an adjustable depth stop to control an amount by which a tool bit, such as a drill or a screwdriver bit, is inserted into the drill chuck. The adjustable depth stop can include a spring, such as a conical spring, that can be coupled to a spindle... | 07/17/2007 |
| 7131358 | Quick release device for releasing screw bit from socket A quick release bit socket assembly includes a socket and a screw bit is removably inserted in a first recess in a first end of the socket. A second recess is defined in a second end of the socket and a passage is in communication between the first and second recess... | 11/07/2006 |
| 7114728 | Rapid detached connecting device A rapid detached connecting device comprises a rod body having an engaging portion; the rod body having a hollow body; an engaging block installed within the rod body; the engaging block having a stop block; a buckling unit inserted into the engaging portion for lim... | 10/03/2006 |
| 6966730 | Shank installation structure and cutters A shank attaching structure with as less axial free movement as possible and of a simplified construction, a cutter for use with the shank attaching structure, and a cutter for use with the shank attaching structure which is free from an incident that the cutter bec... | 11/22/2005 |
| 6966562 | Multiple mode chuck A multi-mode quick-release chuck assembly is adapted for receiving tool bits having varying shank cross-sectional-sizes. The chuck assembly includes a hub having a longitudinal hub bore for receiving tool bits, a locking mechanism to retain the tool bits, and a slee... | 11/22/2005 |
| 6953196 | Non-inflation adapter for prompt engagement with a shank of a screw driver and a handle An adapter for prompt engagement a shank of screw driver with a handle includes a tubular adapter connected with a handle, a polygonal central bore having a reduced bottom, a concaved front outer periphery to define a shoulder thereunder, a plurality of conical thro... | 10/11/2005 |
| 6935637 | Workpiece connector for a power tool A connector (20) having an assembly (28) adapted to releasably receive an end (33) of a workpiece (22). ... | 08/30/2005 |
| 6929266 | Bit holder A “snap-in” bit chuck assembly for a rotary hand or powered tool, includes a body having a hex shank at its rearward end and a retraction collar slidably disposed on the body. The body has a coaxial hex socket formed therein to allow a tool bit to be inserted th... | 08/16/2005 |
| 6883407 | Expanding collet assembly for pick-off spindle An expanding, inner diameter gripping collet assembly for a pick-off spindle. An arbor base is connected to the pick-off spindle and is moveably connected to a moveable arbor. The moveable arbor engages and is driven by the pick-off spindle nose. The moveable arbor ... | 04/26/2005 |
| 6874791 | Chuck apparatus A chuck apparatus is provided for holding a tool bit. The tool bit includes a drill, two blades, another working head and an annular groove defined therein. The chuck apparatus includes a socket, a ball detent, a collar and a joint. The socket defines an axial hole,... | 04/05/2005 |
| 6851678 | Drill for smooth- and hex-shank bits A drill has a drive unit having a spindle rotatable about an axis and having an axially forwardly directed front end formed centered on the axis with an axially forwardly open polygonal-section socket dimensioned to fit with a standard-size bit shank, a chuck body m... | 02/08/2005 |
| 6817813 | Reversible cutter bit A cutter bit for use in combination with a rotary cutter, the cutter brick comprising a removal boss integrally formed on the cutter bit shank adjacent to cutter bit body to allow removal of the cutter bit from the rotary cutting tool with a wrench ordinarily used t... | 11/16/2004 |
| 6722667 | Workpiece connector for a power tool A connector (20) having an assembly (28) adapted to releasably receive an end (33) of a workpiece (22). ... | 04/20/2004 |
| 6666114 | Magnetic connecting tube for a screwdriver head The present invention relates to a magnetic connecting tube for a screwdriver head with a main body, a push element, a spring element, a fastening ring, a block member and an engaging element. The main body having an engaging hole at one end thereof for r... | 12/23/2003 |
| 6554292 | Drill chuck for smooth- and hex-shank bits A drill chuck has a body formed with an axially forwardly open tool recess and holding a plurality of tool-gripping jaws. A socket formed with an axially forwardly open polygonal-section seat is nonrotatable in a seat of the chuck body and axially displac... | 04/29/2003 |
| 6481723 | Lift pin impact management A pin stop and method of implementation suitable for use lift pin assemblies used in semiconductor process environments is provided. The pin stop includes a pin shaft and a circular pin head with soft stop and hard stop features defined thereon. The soft ... | 11/19/2002 |
| 6457916 | Locking quick-change chuck assembly The invention is an improvement to a chuck assembly of the type having a chuck hub with a longitudinally extending bore therein the longitudinally extending bore having a closed end, an open end, and a radially extending bit bore in communication with the... | 10/01/2002 |
| 6457920 | Clamping system for detachably assembling two pieces A clamping system for detachably assembling two pieces. The clamping system includes a clamping device concentrically mounted in a receiving section which extends in a hollow shaft of one of the two pieces, when the two pieces are engaged. The clamping sy... | 10/01/2002 |
| 6325393 | Chuck device for tools A chuck device for a tool of the type having a bit on an end thereof and a drill on the other end thereof includes a spindle with a stub formed on an end thereof, a tube including a first section mounted around the stub of the spindle and a second section... | 12/04/2001 |
| 6287059 | Machine tool clamping device A machine tool tool changing device including a circular array of multiple collet fingers (5) housed in the shaft hole (12) of a spindle (1) capable of turning between a clamped position in which a tool holder (2) knob (22) is clamped and an unclamped pos... | 09/11/2001 |
| 6270085 | Chuck device for tool bits A chuck device for a tool bit includes a spindle with a stub formed on an end thereof, a tube including a first section mounted around the stub of the spindle and a second section, a sliding sleeve slidably mounted around the tube, and a ball partially re... | 08/07/2001 |
| 6199872 | Quick-release mechanism for screwdriver bits and the like A holder for holding a tool, having an elongated housing, including a longitudinal hole having a cross-section corresponding to the cross-section of a mounting portion of the tool bit. The housing further has at least one radial hole running from an outsi... | 03/13/2001 |
| 6168169 | Vacuum collet with release filament A vacuum collet includes a filament disposed in the collet for assisting in removal of components from the collet. The filament is movable in a vertical direction within the collet to gently dislodge components lodged on a bottom face of the collet. The f... | 01/02/2001 |
| 5957467 | Clamping chuck A clamping chuck with a chuck body, a conical receptacle for a collet chuck provided therein, a tension sleeve extending over the collet chuck, and a clamping nut disposed on the chuck body, which can be screwed together with the tension sleeve, wherein a... | 09/28/1999 |
| 5901624 | Workpiece transfer apparatus An apparatus for transferring workpieces to and from the chuck of a machine tool. A gripper arm is mounted to the machine frame for selectively axial and rotational movement on a shaft having helical and longitudinal threads on the surface thereof. A firs... | 05/11/1999 |
| 5884541 | Socket for lever removal of screwdriver bit An improved screwdriver in which a replaceable bit is removably secured in an axial socket in the end of the mandrel with a slot extending radially inwardly into the socket rearward of the bit. A separate bit removing lever tool is provided having a hook-... | 03/23/1999 |
| 5873687 | Tool unit with hydraulic feed passage A tool unit according to the invention has an arrangement wherein a shaft-like mount portion having a step is disposed on one of a tool body or a tool holder. The other of the tool body or the tool holder, includes a recessed fitting portion or bore shrin... | 02/23/1999 |
| 5461947 | Tool holder with ejection slot There is disclosed an improvement to an elongated tool holder such as the tool holders used to secure the immobilizing key used in aerospace fasteners to enable easy ejection of keys which is stuck or jammed in the holder. In these tools, a key is receive... | 10/31/1995 |
| 5368421 | Tool holder and a tool therefor The tool holder is arranged to receive a tapered tool shank. The collet has a shank engaging surface which, in use, lies substantially on the surface of a notional cone which tapers in the direction of withdrawal of the shank from the tool holder.... | 11/29/1994 |
| 5154105 | Pick off attachment for automatic multiple spindle machines A pick off attachment for use with automatic multiple spindle machines includes a spindle and housing to be mounted within a sliding workholder, which is moveable along the longitudinal slide of the workstation of the cutting machine. The spindle is mount... | 10/13/1992 |
| 5062749 | Tool coupler A tool coupler is provided, comprising an elongated body having upper and lower ends and further including a non-circular first axial bore extending at least partially through the body from the upper end toward the lower end, a flange extending radially f... | 11/05/1991 |
| 5058467 | Quick change collet stop A collet stop for positively positioning a workpiece within a collet of a spindle in a multiple spindle lathe is disclosed. An adapter block having a counterbore is secured within the spindle. The collet stop is provided with a body portion, which is adap... | 10/22/1991 |
| 5032043 | Spindle adapter for tool holder with tool adjustment control A tool holder and spindle adapter includes a quick change section for securing into a power spindle, a body having an axial bore mounting a positive drive and a collet holder shank to receive a tool holder collet and tool, with the tool extending into ope... | 07/16/1991 |
| 5028181 | Quick change right angle and offset drill head A quick change right angle drill head incorporates mechanism rotating components within the drill head housing thereby resulting in a more compact package which facilitates use in space-limited locations. A single push button release enlarges a chuck open... | 07/02/1991 |
| 4913607 | Tool coupling A tool-and-tool holder assembly includes a tool having a tool shank; a tool holder having a receiving bore arranged for accommodating a stub of the tool shank; a clamping member disposed in the stub and being movable therein, generally perpendicularly to ... | 04/03/1990 |
| 4883449 | Device for making grooves in cigarette filters An apparatus for sequentially forming a plurality of generally longitudinally extending grooves in the peripheral surface of a filter rod includes a hollow rotatable drum having a plurality of filter rod receiving channels formed in its outer peripheral s... | 11/28/1989 |
| 4869481 | Plate-like article holding device A plate-like article holding device particularly suitably usable in an exposure apparatus for printing a pattern of a reticle or mask on a semiconductor wafer, as a wafer holding device for holding the wafer at a pattern printing station, is disclosed. In... | 09/26/1989 |
