An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.
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 |
| 7374178 | Workpiece holder A workholding apparatus including a body and a drive member carried by the body, so that the drive member and body partially define a fluid chamber therebetween for containing a fluid. The drive member includes an annular flange that axially abuts and that attaches ... | 05/20/2008 |
| 7371036 | Tool holding device and method for positioning a tool Disclosed is a tool holding device (22, 50, 58) for retaining a tool (24) on a tool chuck (20). Said tool holding device (22, 50, 58) comprises a tool-accommodating area (32, 52, 66) for at least partly receiving the tool (24 | 05/13/2008 |
| 7364390 | Drilling tool Disclosed is a drilling tool comprising a first drill bit (2) that is provided with at least two forward cutting edges (4, 5) and a second drill bit (3) which encompasses at least two rear cutting edges (6, 7). A cutting groove (8, 9 | 04/29/2008 |
| 7338419 | Tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder A tool coupler for connecting tool heads, such as drills, reamers, millers, turn-cutters, dies, and rams, to a tool holder. The tool coupler has a hollow shaft, a ring-shaped collar, and a gripper groove, in which gripper groove are disposed two diametrically opposi... | 03/04/2008 |
| 7331583 | Workpiece holder with a multi-piece bladder A workpiece holding apparatus comprises a body, a bladder carried by the body, and a sleeve that is carried by the bladder. A fluid chamber is at least partially defined by the body and the bladder for containing a fluid therein. The bladder comprises at least one f... | 02/19/2008 |
| 7316403 | Hydrostatic workpiece holder with a removable cartridge assembly A workpiece holding apparatus comprises a body, a cartridge assembly carried by the body and a sleeve. The cartridge assembly comprises at least one sealing member and a bladder supported by a retainer and at least partially defining a fluid chamber that houses a pr... | 01/08/2008 |
| 7192226 | Shrink fit holder and methods of drilling and reaming A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr... | 03/20/2007 |
| 7182558 | Tool holder for a tool that can rotate about an axis of rotation A tool holder is disclosed for a boring, milling or reaming tool that can rotate about an axis of rotation. At the end of its clamping shank that is located on the side of the tool, the tool holder has a bush part with a mounting opening, which is centered with rega... | 02/27/2007 |
| 7147232 | Workpiece holder A workholding apparatus including a body and a drive member carried by the body, so that the drive member and body partially define a fluid chamber therebetween for containing a fluid. A driven member is also carried by the body and includes multiple displacement re... | 12/12/2006 |
| 7059457 | Expansion motor The present invention is a unique motor comprising a containment chamber having thick walls surrounding a thin wall, is created when a plug is fusible joined. An inlet port and preferably a purging port are located in the thick walls. A motion is created when said e... | 06/13/2006 |
| 6938903 | Tool holder for a tool, especially a boring, milling or grinding tool, which can be rotated about a rotational axis The invention relates to a tool holder for receiving a tool, especially a boring, milling, or grinding tool, which can be rotated about a rotational axis and which comprises a clamping shank. In a preferred form of embodiment, said clamping shank comprises a receivi... | 09/06/2005 |
| 6708987 | Clamping device for the removably fastening a part upon a shaft A clamping device for the releasable fastening of a part (grinding wheel 1) on a shaft has a clamping nut (3) which can be screwed onto the shaft and is intended for clamping the part in place. A chamber (9) is provided between a pressure member... | 03/23/2004 |
| 6645131 | Hydrostatic tool system An hydrostatic tool system including a tool assembly having a hydrostatic tool holder for holding a rotating tool, for example a machine or cutting tool. The hydrostatic tool system may also include a tool storage system, a tool transport system and a too... | 11/11/2003 |
| 6488285 | Hydraulic chuck with deformable gripping sleeve A hydraulic chuck includes a center bore for receiving a tool shank. At least one closed cavity is disposed in the chuck body adjacent the bore and extend circumferentially by a distance less than 360 degrees. The cavity containing device communicates wit... | 12/03/2002 |
| 6311987 | Hydraulic pressurizing arrangements An arrangement for a hydraulically operated tool holder has a pressurizing system for operating a clamping device for a tool or workpiece. The pressurizing system comprises a movable operating element for pressure generation whereby the movement of the op... | 11/06/2001 |
| 6189196 | Precision-balanced shaft and method A shaft assembly including an inner hub having a centrally-disposed bore therethrough and an outer surface for carrying a first member concentrically thereon for rotation therewith, an outer hub having a centrally-disposed bore therethrough and an outer s... | 02/20/2001 |
| 6182977 | Clamping device The clamping apparatus (10) has a clamping ring (13) of an elastomer, which has a U-shaped cross section. The clamping ring (13) is seated in a recess (15) in a holding device (12) having parallel side walls. The recess (50) can be connected via a connect... | 02/06/2001 |
| 6179530 | Expansion clamping chuck An expansion chuck for simultaneously chucking a tool shaft and a hollow tool part such as a beveling bush. A solid chuck body which can be chucked in the working spindle of a machine tool has in its chucking part a central receptacle bore to receive the ... | 01/30/2001 |
| 6164351 | Precision-balanced cutter head and method A rotatable cutter head comprising an inner hub having a centrally-disposed bore therethrough and an outer surface for carrying at least one cutter plate concentrically thereon for rotation therewith, an outer hub having a centrally-disposed bore therethr... | 12/26/2000 |
| 6145849 | Disk processing chuck A memory disk having a central opening and planar sides for receiving magnetic media on both of the sides is bounded by a cylindrical outside diameter peripheral edge and chamfered edges extending between each of the planar sides. The peripheral edge is c... | 11/14/2000 |
| 6142487 | Centering and holding apparatus and method using inclined surface An apparatus for centering and holding a substrate including: (a) a substrate holding assembly defining a centerline; and (b) a substrate centering assembly including an alignment member, wherein the alignment member is disposed concentric with the center... | 11/07/2000 |
| 6015154 | Large displacement hydrostatic workpiece holder A hydrostatic tool holder having a displaceable metal sleeve formed with a plurality of circumferentially spaced and longitudinally extending slots and a flexible, polymeric ring defining at least in part a fluid chamber to separate the fluid in the chamb... | 01/18/2000 |
| 5944325 | Mechanically actuated hydrostatic tool holder A collet for holding and precisely locating a cutting tool within a tool holder has a bore constructed to receive a shank of the cutting tool therein, a hydrostatically displacable sleeve received in the bore, a piston received within a passage communicat... | 08/31/1999 |
| 5855446 | Hydraulic clamp bushing having sigma shaped bushing ends Hydraulic clamp bushing (13, 14) having a double walled sleeve (7), a hydraulic pressure medium which is trapped in a chamber (5) between the sleeve walls, and a mechanism for pressurizing the pressure medium. One, or both, sleeve walls (7) is/are formed ... | 01/05/1999 |
| 5769487 | Chucking device for accurate mutual fixation of two members A chucking device for accurate mutual fixation of disk-shaped parts or rotationally symmetrical parts. The device has a chucking element that engages with members in a form-fitting manner and has an expansion sleeve that together with the chucking element... | 06/23/1998 |
| 5711538 | Chucking tool with an expansion sleeve A chucking tool for non-positive precision chucking of a part such as a workpiece or the shank of a tool, for example. The tool consists of a base body, an expansion sleeve that is detachably mounted on a part of the base body which is elastically deforma... | 01/27/1998 |
| 5609446 | Combination tool A combination tool has a tool holding fixture for connecting the combination tool to a drive spindle of a machine tool. The tool holding fixture includes a receiving member. A grip with tensioning sleeve is provided. The grip is received in the receiving ... | 03/11/1997 |
| 5556114 | Hydraulic expanding and contracting mandrel This invention relates to a workshop mandrel which is suitable for mounting work pieces on its cylindraceous outer surface. A cavity beneath the surface is filled with hydraulic fluid which causes the outer surface to expand when the fluid is pressurized ... | 09/17/1996 |
| 5516243 | Reamer chuck and tool expander A center tool with a shank receivable in a sleeve carried by a body of a holder which may have cutters on a work surface disposed outward of the sleeve. A hydraulic actuator forces the sleeve radially inward to grip, releasably retain and center the shank... | 05/14/1996 |
| 5462293 | Chuck having an integrated cone or machine spindle A rotating holder for tools or work pieces includes a chuck in the form of a hydraulic clamp bushing. The clamp bushing comprises a thin inner sleeve or wall, a solid outer sleeve and a plastic or hydraulic pressure medium which is entrapped between the s... | 10/31/1995 |
| 5441284 | Fluid operated chuck and methods of operation Workpiece chucking apparatus includes a chuck body mounting a first plurality of prepositioning lock-up fingers and a second plurality of gripping fingers. The lock-up fingers are biased together radially outwardly or inwardly into engagement with a perip... | 08/15/1995 |
| 5429376 | Fluid-operated collet chuck with centering fingers A chuck for gripping workpieces to be machined has a chuck body with a workpiece support surface for supporting a workpiece to be machined. Generally radially movable centering and gripping collet fingers are concentrically supported by the chuck body. An... | 07/04/1995 |
| 5429446 | Apparatus for hydraulically locking a hollow cylinder body onto a shaft An apparatus for selectively and hydraulically locking a hollow cylinder body, such as a lathe cylinder body, onto, and unlocking the cylinder body from, a cylindrical shaft includes a tubular sleeve defining an axially extending passage therein, the slee... | 07/04/1995 |
| 5388487 | Hydraulic tool holder with coolant jets A hydraulic chuck for securing a lathe shaft and cutting tool to a tool holder is provided with spray nozzles to project cooling fluid on the cutting tool.... | 02/14/1995 |
| 5286042 | Tool holder with centering adjustment A tool holder for a machine tool is provided with a tool shank clamping mechanism in the form of an expanding or contracting sleeve, hydraulically actuated, and the chuck has an annular groove aft of an annular collar on the clamping mechanism. Circumfere... | 02/15/1994 |
| 5255928 | Adjustable fastening device The invention relates to an adjustable fastening device e.g. for an axially-shaped, tubular, flat or spherical tool or working piece or machine part or a like of a desired shape. The device includes: a body section (1), a clamping means (2), mounted withi... | 10/26/1993 |
| 5174585 | Adjustable fastening device The invention relates to an adjustable fastening device e.g. for an axially-shaped, tubular, flat or spherical tool or working piece or machine part or a like of a desired shape. The device includes: a body section (1), a clamping means (2), mounted withi... | 12/29/1992 |
| 5067861 | Tool holder with interchangeable fluid pressure actuated chucks A tool holder including a drive unit having a peripheral flange about the outer end thereof, and interchangeable chuck units with similarly configured flanges for selective engagement against and releasably mounting to the drive unit flange by screw faste... | 11/26/1991 |
| 4958969 | Adapter sleeve An adapter sleeve, the diameter of which is altered by means of the pressure of a fluid, whereby, as a result of this change in diameter, an object is held by means of the clamping force of the adapter sleeve, characterized in that the adapter sleeve is m... | 09/25/1990 |
| 4624184 | Annular expansible heads for a printing cylinder assembly A printing cylinder is supported and located by dual annular hydraulically-expansible heads carried by a shaft and adjustable axially thereof and which are inserted into the printing cylinder and then expanded inwardly into locking engagement with the sha... | 11/25/1986 |