Quotables
"There is no likelihood man can ever tap the power of the atom."
Robert Millikan, Nobel Prize winner in physics
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7850404 | Drill chuck A drill chuck has a rotatable chuck body, a tightening sleeve axially fixed but rotatable on the chuck body, a plurality of jaws on the body and radially displaceable between inner and outer end positions, and a screwthread formation for radially displacing the jaws... | 12/14/2010 |
| 7318691 | Tool apparatus for milling machine The present invention provides an automated-torque controlled tool for attachment to a milling machine. The tool comprises an elongated hollow housing defined by a neck section, a middle section, and a bottom section. The neck section is adapted to engage a spindle ... | 01/15/2008 |
| 7281307 | Tap process for hard workpieces A process and apparatus for producing screw threads in hard material workpieces with a series of taps. The present invention employs a threaded bore formed in a bracket assembly to align and position multiple taps on a rotary machine. The taps are used in sequence t... | 10/16/2007 |
| 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 |
| 7137632 | Force limiting workpiece holding device A force limiting workpiece holding device for holding a workpiece in a workpiece processing assembly having a spindle and a closer that applies a force, comprises a workpiece holder slidably mounted to the spindle. The workpiece holder includes a plurality of circum... | 11/21/2006 |
| 6997654 | Tapping tool for use with drill press A tapping device is configured to be used within a drill press or lathe or other device capable of holding a cylindrical object. The tapping device has an upper projection for being axially fixed in, for example, a drill press. The remainder of the body of the tappi... | 02/14/2006 |
| 6302408 | Tool system that can be coupled to a lathe drive shaft The invention relates to a tool system that can be coupled to the drive shaft of a lathe. Said system comprises a tool holding fixture which can be connected to the lathe, and a took which is stored in a polygonal recess in the tool holding fixture so as ... | 10/16/2001 |
| 5769575 | Oscillatory motion device for drill press A drill press has a drive motor with output shaft that drives a chuck through a rotatable and vertically displaceable quill and a first drive coupling which includes a pair of pulleys, such as cone pulleys, and a belt extended between the cone pulleys. A ... | 06/23/1998 |
| 5480270 | Clutch for threading attachment Each of the two alternately actualable clutches of a threading shaft includes a clutch disc keyed to the shaft, and positioned between two annular members. One of the members is rotated coaxially of the shaft by a driving gear, and the other is movable ax... | 01/02/1996 |
| 4669930 | Tap holder A tap holder e.g. for threading taps, has a drive body (1) intended for connecting to the chuck of a drive motor. The driving power is transferred by a torque-limiting device (2, 9, 11) to a clamping body (8) intended to clamp the shank (12) of the thread... | 06/02/1987 |
| 4626142 | Clutch for drilling machine A drilling machine operable by a single operator to tap into a pipeline includes an elongated boring bar to which a number of different tools such as drills and hole saws may be removably attached. The boring bar is positioned within a body tube allowing ... | 12/02/1986 |
| 4576528 | Rotary tool holder A rotary tool holder for use with an automatic or semi-automatic tool grinding machine is disclosed. The tool holder includes a rotating collet and spindle. The spindle is driven through a torque limiting coupling for protection against lock up. A shaft i... | 03/18/1986 |
| 4456412 | Attachment for a vertical milling machine An attachment for a vertical milling machine or the like provides a drive arrangement which provides for a selective high-torque drive connection, a low-torque yielding drive connection, or a complete disconnect.... | 06/26/1984 |
| 4378185 | Tool driving apparatus A power tool includes a turret rotatably mounted on a hub, a first shaft rotatably mounted in the hub and a second shaft mounted for rotation in the turret and for aligned rotating engagement with the first shaft in the hub. First and second members, incl... | 03/29/1983 |
| 4304511 | Critical torque detector A critical torque detector is disclosed made up of a rotating input member, an output member supporting a drill and connected in a "flexible driving connection" with the input rotating member, and means for detecting difference in rotational speed between... | 12/08/1981 |
| 4304510 | Critical torque detector A critical torque detector is disclosed made up of a rotating input member, an output member supporting a drill and connected in a "flexible driving connection" with the input rotating member, and means for detecting difference in rotational speed between... | 12/08/1981 |
| 4193720 | Critical torque detector A critical torque detector is disclosed made up of a rotating input member, an output member supporting a drill and connected in a "flexible driving connection" with the input rotating member, and means for detecting difference in rotational speed between... | 03/18/1980 |
| 4124327 | Spindle inertia changing apparatus for machining center The present invention relates to an improvement in a mechanism wherein a flywheel which is idly mounted on a spindle of a machining center is easily and speedily connected with or detached from the spindle by a clutch which is fitted on the spindle adjace... | 11/07/1978 |
| 4115026 | Lead screw tapping arrangement for use with self-opening die heads and collapsible taps Means for controlling the advance of a thread forming member include a unidirectionally driven constant speed spindle, with the spindle mounting a thread forming member. A lead screw and a nut threadedly mounted thereon have a thread in which the helix an... | 09/19/1978 |
| 4082473 | Manually operated hand drill Manually operable tool means includes a frame formed at one side with an apertured work piece holder, and at an opposite side with an internally threaded shaft housing in which is adjustably mounted tool supporting means and a tool element. The tool eleme... | 04/04/1978 |
| 4028763 | Tap holder A tap holder which is particularly adapted for use on a numerical-controlled machine is the subject matter herein. The tap holder includes an elongated shaft, which has a conventional tap collet on one end thereof. A tap holder body is rotatably and axial... | 06/14/1977 |
| 3998565 | Tapper incorporating reverse rotation mechanism Tapper comprising a rotatable tapper main body, a positive rotation transmitting element and a reverse rotation transmitting element disposed in the main body, a holder member disposed in a lower portion of the main body, a driven shaft for holding a tap ... | 12/21/1976 |
