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| Number | Title | Issue Date |
| 7793945 | Tool holding fixture Arrangement for holding a tool fitting has a spindle with a forward directed surface and a bore which intersects the forward directed surface and which, starting from such surface, extends rearwardly in order to receive a shaft of the tool fitting. A device for lock... | 09/14/2010 |
| 7258349 | Hand power tool A hand power tool selected from the group consisting of a drill hammer and an impact hammer has an exchangeable tool holder, a guide pipe which receives the tool holder at its free end, a locking device arranged on the guide pipe and operative manually for fixing th... | 08/21/2007 |
| 6913429 | Tooless bit retaining assembly A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torqu... | 07/05/2005 |
| 6398466 | Power drivable chuck A chuck 30 is formed with a generally cylindrical body 54 formed with a bore 60 at a forward end 58 thereof. A fixed clamp segment 134 and a movable clamp segment 166 are located in radial opposition in the bore 60. A pair of ribs 142 are formed on the fi... | 06/04/2002 |
| 6354605 | Chuck with improved jaw A chuck includes a generally cylindrical body having a nose section and a tail section. A plurality of jaws are movably disposed with respect to the body to and away from the chuck's axial bore. Each jaw includes a tool engaging surface facing, and genera... | 03/12/2002 |
| 5096212 | Chuck for power tools Improved chucks are provided for securing a cutting element to a power driving unit. The improved chucks are easy to manufacture and do not require mechanical aptitude or great manual dexterity in order to securely connect the cutting element to the power... | 03/17/1992 |
| 4663203 | Adjustable candleholder An improved adjustable candleholder (10) that allows candles of various diameters to be secured within the candleholder. The candleholder (10) is comprised of a base assembly (12) having an upper section (12a) and a lower section (12g), and a candleholder... | 05/05/1987 |
| 4630836 | Drill chuck for use in percussion drilling In a chuck for use in a drilling device, such as a hammer drill, capable of performing rotary or rotary/percussion drilling, clamping jaws are provided to secure a tool in the drilling device. The clamping jaws each have a convex surface transverse to the... | 12/23/1986 |
| 4619460 | Hammer-drill chuck A chuck is used with a hammer drill having a drive spindle rotatable about a spindle axis and a hammer displaceable axially in the drive spindle, and with a drill bit having a shaft extending along a shaft axis and having a radially outwardly open and at ... | 10/28/1986 |
| 4602799 | Hammer-drill chuck A chuck has a chuck body centered on a chuck axis and having an axially forwardly opening and axially centered recess and an adjustment ring rotatable but not axially displaceable on the chuck body, having a central hole aligned with the recess, and forme... | 07/29/1986 |
| 4520698 | Adjustable socket for socket wrenches An adjustable socket for a socket wrench or the like has a body member with two side plates, and between the side plates are jaw members which are concurrently movable parallel to the side plates to adjust the space between confronting jaw elements on the... | 06/04/1985 |
| 4350463 | Arrangement for mounting a cutter An arrangement and method for mounting a cutter body, especially a milling cutter, in which the cutter and power driven spindle have a common axis of rotation. An arbor shank is used to interconnect the cutter with the spindle with one end of the shank ma... | 09/21/1982 |
| 4229014 | Air-expanded mandrel having means to equalize expansion to obtain concentric chucking A fluid actuated expanding mandrel or internal chuck is provided with means including very stiff springs to cause the expanding members to move outwardly a substantially equal amount, whereby a roll or workpiece is concentrically mounted, despite loosenes... | 10/21/1980 |
