Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 6354776 | Electric drive spindle In a drive spindle an electric motor has an output shaft which defines a spindle able to receive an associated tool and associated with an attachment device movable between a position in which it locks the tool on the spindle and a release position; the o... | 03/12/2002 |
| 6309150 | Chuck actuator A chuck actuator has a main housing, a tube shaft having an outer end adjacent the main housing and an inner end remote from the main housing, a core shaft axially displaceable in the tube shaft between advanced and retracted positions, and a holding devi... | 10/30/2001 |
| 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 |
| 6280125 | R-8 collet The present invention comprises an improved R-8 collet for insertion and attachment within a spindle of a milling machine. The R-8 collet comprises an elongated member having a first end of generally conical configuration with a bore arranged longitudinal... | 08/28/2001 |
| 6264409 | Tool holder clamp device for spindle and spindle apparatus A tool holder clamp device for spindle, which is for clamping in a screw-fastening manner a shank portion of a tool holder to be incorporated to a spindle (1) in a removably fittable manner relative to a taper hole (9) formed at a distal end portion of th... | 07/24/2001 |
| 6260855 | Workholding apparatus An apparatus for holding a workpiece in a predetermined position in a machine tool. The apparatus has an axis of rotation and comprises an outer body having an outer surface, an inner bore, a first end and a second end with the second end being insertable... | 07/17/2001 |
| 6238152 | Tool clamping mechanism and pull stud A fixed first sleeve and a movable second sleeve are arranged in a center through hole of a main spindle. Balls at the rear end of the second sleeve engage a recessed slope of the first sleeve and a recessed slope of a draw bar, thereby amplifying the urg... | 05/29/2001 |
| 6234731 | Angle spindle attachment with tool chucking device An angle spindle attachment includes a spindle shaft 21 for mounting a tool detachably, a housing 20 for mounting the spindle shaft rotatably such that the spindle shaft is oriented to a different direction with respect to the drive shaft 3 of the spindle... | 05/22/2001 |
| 6213478 | Holding mechanism for a susceptor in a substrate processing reactor A collet assembly coupled to a rotary-linear drive unit allows easily placement of a susceptor shaft within a collet of the collet assembly when the collet assembly is in a first position. After the susceptor shaft is placed into the collet, the collet as... | 04/10/2001 |
| 6196094 | Tool unit clamping apparatus having a locking mechanism with increased gripping force A clamping apparatus for detachably connecting a tool unit to a tool supporter with increased holding force is provided. The clamping apparatus includes a housing, a pair of opposing locking spheres within the housing, a cylindrical canister member mounte... | 03/06/2001 |
| 6193451 | Holder for the detachable mounting of cutting tools with predetermined maximum clamping force A tool holder includes a house and a clamping mechanism provided therein. The clamping mechanism includes a male member adapted to engage in a female-like opening in a tool. The male member is movable to and fro between clamping and releasing positions by... | 02/27/2001 |
| 6179533 | Device for clamping a knife of a machine center A device for clamping a knife of a machine center includes a kick member extends through a clamping member which is received in a sleeve. A knife is clamped by pawls extending from the clamping member and the sleeve has an annular flange to hold the pawls... | 01/30/2001 |
| 6174115 | Spindle for machine tools A machine tool spindle (1) having a through hole capable of housing a collect (30) which grips a tool holder (31) and a draw bar (27) to which the collect (30) is attached, and a tapered inner surface which holds the tool holder; the spindle being made of... | 01/16/2001 |
| 6079919 | Tool spindle clamping device For increasing the tensile force on the draw rod (4) of a tool spindle clamping device, in addition to a first, pretensioned spring assembly (8) between the draw rod (4) and sleeve (1) is a second spring assembly (15), which is coupled in pretension with ... | 06/27/2000 |
| 6077003 | Tool holder A tool holder with an elongate and expanding sleeve within a confining recess of a machine spindle to circumferentially engage the machine spindle and accurately, firmly and concentrically engage a machine tool adjacent to a machine spindle. In one form, ... | 06/20/2000 |
| 6036416 | Apparatus for driving a cutter holder in a machining tool An apparatus for driving a cutter holder in a machining tool include, a sleeve, a holder carrying rod, a cylinder body unit, a piston rod, and a spring unit. The sleeve and the cylinder body unit are adapted to be disposed on a machine bed, and are spaced... | 03/14/2000 |
| 6003416 | Tool holding device A tool holding device comprising a tool pot in which an interchangeable tool is releasably fitted and removed, a ball holder firmly fitted in the tool pot and having a guide surface around which a shank portion of the tool is releasably fitted for radiall... | 12/21/1999 |
| 6000306 | Side activated tool unit clamping apparatus using mechanical advantage A side activated clamping mechanism is disclosed for detachably connecting a tool unit to a tool support housing. The tool unit has a shank with openings which are engaged by locking elements extending radially from apertures in a canister mounted within ... | 12/14/1999 |
| 5997455 | Tool clamp mechanism with shortened spindle A tool clamp mechanism includes a hollow spindle in which a tool can be inserted, the spindle having at least one slot which is axially elongated, a draw bar movably provided in the spindle, and a spindle head which rotatably supports the spindle. A drive... | 12/07/1999 |
| 5988961 | Machine tool with pivoting release lever A machine tool includes a spindle to which a tool is detachably attached to be clamped, an unclamping lever provided for rocking motion and having two ends, rocking means for rocking the unclamping lever, a releasing section provided in the spindle so as ... | 11/23/1999 |
| 5971681 | Drawbar guide ring with drive keys A guard ring having a center bore mounts on a face of a spindle of a machine tool having a taper socket drive, and a bore for receiving and driving a tool holder. A drive between the guard ring and the tool holder engages before a power drawbar of the mac... | 10/26/1999 |
| 5911547 | Mount for tool holder on spindle shaft A spindle centered on an axis and formed with an axially forwardly open recess centered on the axis is secured to a tool holder formed with a tubular extension projecting axially rearward and fitted complementarily in the recess by a mount having an actua... | 06/15/1999 |
| 5885039 | Quick tool release mechanism for vertical milling machines The present invention relates to a tool/collet alignment and securement arrangement for a vertical milling machine having a J-head and a manually adjustable spindle for the secure and rapid change of a tool held in a collet in a lower end of the spindle. ... | 03/23/1999 |
| 5873682 | Pivoting tool holder The present invention is a tool holder for supporting a cutting insert during a material-removal process. The tool holder comprises a body having a channel formed therein for receiving a finger that extends from a head. The finger is secured within the ch... | 02/23/1999 |
| 5865578 | Mounting assembly for a machine-tool actuator A spindle assembly has inner and outer coaxial shafts having front and rear ends and extending along a common axis with the inner shaft axially displaceable in the outer shaft, a holding assembly on the front ends adapted to grip a tool or workpiece in an... | 02/02/1999 |
| 5860776 | Main spindle device for machine tools A main spindle apparatus for machine tools wherein a tool holder (T) having an anchoring edge on an inner circumferential surface and inserted into an attachment hole of a main spindle (1) is anchored to the main spindle (1) by expanding a collet (12) hav... | 01/19/1999 |
| 5855376 | Tool coupling with means for centering and clamping The invention relates to a fixing mechanism for a tool for treatment of a material, such as machining. The fixing mechanism comprises a combination of a tool (1), its frame (2) and tool holder (3) in the frame of a machine tool. At least one of the connec... | 01/05/1999 |
| 5846037 | Quick tool release mechanism for vertical milling machines The invention comprises a vertical milling machine having a J-head and a manually adjustable spindle for the rapid change of a tool held in said spindle, including a milling machine head having a motor means for rotatively moving the spindle about its lon... | 12/08/1998 |
| 5827021 | Releasable tool-holder mount for machining spindle A driven part of a tool is secured to a drive part of a drive spindle rotatable about an axis by a mount having a tubular extension projecting axially forward from one of the parts and formed centered on the axis with a radially inwardly projecting collar... | 10/27/1998 |
| 5823722 | Tool holding attachment An automatic tool changer provides an attachment to be easily clamped if the attachment is mounted to a spindle head. Conical disk springs are arranged between the bevel gear for rotating a tool spindle supported by bearings at the center of an attachment... | 10/20/1998 |
| 5795114 | Machine tool The machine tool includes a spindle rotor, a tool receptacle and a clamp for clamping a tool in the tool receptacle. The clamp is moveable in the direction of the spindle axis by a spindle drive which is actuated by rotation of the spindle rotor. A spread... | 08/18/1998 |
| 5782586 | Spindle unit for machine tools A spindle unit for machine tools, with a working spindle that is provided to accommodate a tool and is mounted so it can rotate in a housing and is driven by a motor, and with a chucking unit with an operating device and an internal coolant supply to the ... | 07/21/1998 |
| 5771762 | Quick-coupling face-driver assembly of a rotary drive device and method for changing face drivers A face-driver assembly and method for accurate coupling of a face driver with the spindle of a rotary-drive machining device. The assembly includes a face driver, a hub on the spindle defining a prealignment bore, a pair of self-centering coacting tooth s... | 06/30/1998 |
| 5743687 | Fourth axis fixture quick change A quick fixture changing apparatus for the fourth axis turn table of a machine tool. A pneumatic servomechanism exerts force on a drawbar, which is releasably attached to the fixture plate. The drawbar passes through the central opening of the turn table,... | 04/28/1998 |
| 5739607 | Hybrid spindle bearing A machine tool spindle is supported at its spindle nose in a front, rolling element mechanical anti-friction thrust and radial support bearing means. The middle and rear end of the spindle is supported in a magnetic radial rear bearing and further support... | 04/14/1998 |
| 5735651 | Spindle extension with self-contained draw bar A spindle extension, especially for drilling and milling operations is desirable to complete many modern die molds or to protect the host machine spindle from undesirable wear. The inventive spindle extension contains its own adjustable length draw bar as... | 04/07/1998 |
| 5730562 | Clamping apparatus for a spindle of a machine tool An article clamping apparatus is designed to compulsorily open the front end portions of divided pieces of a collet and to allow the divided pieces of the collet to securely hold a pull stud of a tool holder. A draw bar is fitted into a spindle of the mac... | 03/24/1998 |
| 5722806 | System for coupling a toolholder utilizing a free floating wedging ball A coupling system is provided that includes a male coupling having a cylindrical distal end including a recess that includes follower surfaces, a female coupling having a cylindrical interior for receiving the distal end of the male coupling, and a pair o... | 03/03/1998 |
| 5707186 | Chuck with an integrated rotary union for fluid flow A chuck-actuating spindle assembly has a hollow shaft extending along and rotatable about an axis, a clamping bar parallel to and rotatable with the shaft and axially displaceable relative to the shaft to clamp and release an object carried on the shaft, ... | 01/13/1998 |
| 5690137 | Spindle device A spindle device for supplying air for cleaning and a coolant for cooling or lubricating, including: a tool holder (11) with a coolant passage (22) through which a coolant is supplied; a spindle (10) having a support surface (26) formed at the front porti... | 11/25/1997 |
