Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7357613 | Expansion anchor with crack-arresting groove An anchor is provided that is inserted into a bore in a cementious member, the bore having a side wall. A tensioning head is connected to the leading end of the stem and when the stem is moved the tensioning head moves with the stem. The outer surface of the tension... | 04/15/2008 |
| 7357363 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 04/15/2008 |
| 7329076 | Hole location gauges and methods The present invention provides devices and methods for indicating or gauging the position of one or more holes in a workpiece. In one aspect of the present invention reusable devices that can be removably engaged with a bore or tapped hole in a workpiece for accurat... | 02/12/2008 |
| 7304751 | Apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm An apparatus and method for automatically measuring characteristics of a hard disk drive carriage arm. The method provides a first measuring device for automatically measuring a first side of a carriage arm. A second measuring device for automatically measuring a se... | 12/04/2007 |
| 7083370 | Fastening devices A device for fastening panels to tubular frames comprises a dowel element (10) and a sleeve element (11). An expander region (15) of the dowel element, comprising a plain cylindrical section (16) and a conically tapering section (17 | 08/01/2006 |
| 7011281 | Expansion bolt An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou... | 03/14/2006 |
| 6991413 | Drive anchor A method and apparatus removably and replaceably mounting a member in a hole that provides sufficient support for the member while also improving installation time of the anchor holding the member in place includes use of a drive anchor system. The drive anchor syst... | 01/31/2006 |
| 6935811 | Frictional mining bolt A system for mine roof reinforcement includes a bearing plate and a tubular member with an inner surface, an outer surface, first and second free ends, and an enlarged portion disposed proximate one of the free ends. The system also includes a projectile and an inse... | 08/30/2005 |
| 6908271 | Split lock screw fastener assembly and method A self-locking bolt assembly (1) includes a split bolt (2) and a screw set pin (3). The bolt includes a threaded shank (4), an axial bore (6) extending through the shank, the bore (6) including a threaded bore section (6 | 06/21/2005 |
| 6866455 | Connecting member for connecting two structural components A connecting element for connecting two structural components, particularly furniture plates, includes a sleeve with an upper part and a lower part and a bolt having a rearward bolt end and a forward bolt end mounted in the sleeve. The lower part of the sleeve toget... | 03/15/2005 |
| 6846141 | Expansion bolt The invention relates to an expansible anchor (10) for anchoring in a cylindrical drilled hole (40). The invention proposes constructing the expansible anchor (10) with a tubular basic anchor part (12), on which a hollow conical expansion... | 01/25/2005 |
| 6827536 | Device for assembling two panels or the like and formed by co-operating parts A device for assembling two panels and formed by a male part (1) and a female part (2), designed to be inserted into bores provided in these panels, the female part being constituted by an elastically deformable clip (2) provided with a cap (... | 12/07/2004 |
| 6755407 | Tool clamp and method A clamp for securing a tool to a multi-piece panel assembly. The clamp is especially suited for applications where access to only one side of the panel assembly is available. The clamp uses a blind temporary fastener that is secured to the panel assembly to hold the... | 06/29/2004 |
| 6676346 | Metal fastening element The invention relates to a fastening element made from metal, having an expansion sleeve (2) and an expansion member (3), which expansion member (3) is axially displaceable on the shank of a threaded bolt (8), the threaded bolt (8) having on its forward e... | 01/13/2004 |
| 6666636 | Removable deep set drop-in anchor A drop-in anchor includes a sleeve having a threaded region having an internal thread formed therein and a split region having at least two longitudinal channels formed therein. The channels define sections. The split region has inwardly tapered inner wal... | 12/23/2003 |
| 6602033 | Reversible fastening device A reversible fastening device (50) for reversibly fastening connecting means (51) connecting a first (52) and a second member (53); the connecting means (51) being housed entirely inside the first member (52); and the device (50) being characterized in th... | 08/05/2003 |
| 6558094 | Plug to be fastened to hollow and solid building materials The invention relates to a plug (10) for fastening to hollow or panel-type building materials and to solid building materials. The invention proposes providing the plug (10) with expansion limbs (18) that extend longitudinally and that are connected to on... | 05/06/2003 |
| 6524045 | Anchor with an expansible sleeve having a compressible portion An expanding sleeve of an anchor is arranged around a threaded shank engaged in a plug for expanding the sleeve. The sleeve includes an axially compressible portion which includes portions that can be sheared and which are arranged so that after they have... | 02/25/2003 |
| 6213697 | Self-cutting expansion anchor A self-cutting expansion anchor and system having a sleeve member with a plurality of expandable sections disposed about a shaft, the expandable sections having an end portion disposed toward a generally conical portion of the shaft, a heat hardened cutti... | 04/10/2001 |
| 6200081 | Mounting devices with an externally ribbed anchor, in particular for furniture hinges An expansion fastener for hardware elements for furniture comprises an externally ribbed anchor (11) in which an insert (13) is fitted, which insert has a cam surface (14) sliding on a corresponding cam surface (15) in the anchor body for causing a radial... | 03/13/2001 |
| 6196779 | Temporary fastener with projecting tool-guide bushing A fastener for temporarily securing together at least one part and a tool includes a body having a longitudinal axis, a part-engaging surface for bearing against the at least one part, and an outer surface that defines a guide bushing. A fastening mechani... | 03/06/2001 |
| 6132152 | Undercut-engaging dowel A dowel including an anchor rod (2; 22) having a load application element at one of its longitudinal ends and a head (3; 23), a diameter of which increases toward the free end of the anchor rod, at its opposite end, an expansion sleeve (4; 24) having a bo... | 10/17/2000 |
| 6120226 | Railing fastener for drawer The invention pertains to a railing fastener for drawers that has one part with an expansion dowel located in the front panel of the drawer and one part that is a fastener (that can be inserted), which is connected in the dowel to the railing pipe. The fa... | 09/19/2000 |
| 6089805 | Device for mounting blind Device for mounting blind on an element (57a, 58a) provided with an opening (Ua) having: a) a first piece (1) having at least one holding lug (4) having a first projecting part and a second projecting part (9) disposed downstream of the said first project... | 07/18/2000 |
| 6062784 | Spreading anchor A spreading anchor including a sleeve (2) having an expansion region (3) provided with longitudinal slots (4), and an axial bore (5) having a conical shape in the expansion region (3) conically tapering toward a rear, with respect to a setting direction (... | 05/16/2000 |
| 6062783 | Expanding bush and captive bolt assembly An expanding bush and captive bolt assembly (1), comprising a bolt (2), a generally cylindrical bush (4), and a ring clip (6) that retains the bush on the bolt. The bush (2) has an inner surface with a portion (22) that has a frustoconical taper, a channe... | 05/16/2000 |
| 6056489 | Expansion dowel An expansion dowel including a cylindrical, at least regionwise expandable dowel body (2) having a plurality of axial slots (22) opening at a front, in a setting direction(s), end (24) of the dowel body, and a bore (21) which tapers in the setting directi... | 05/02/2000 |
| 6048148 | Expansion anchor An axially extending expansion anchor or dowel has an anchor body (2) with a first end region to be inserted first into a borehole (B) in a receiving material (G) and a trailing second end region in which a load can be applied. The first end region has an... | 04/11/2000 |
| 6045291 | Method and device for transmission of forces between two joined parts A method for transmitting forces between two joined parts. A connection element is introduced into two corresponding openings in the two joined parts. A first undercut on a connection head of the connection element extends obliquely to the direction of fo... | 04/04/2000 |
| 5988964 | Drive-in dowel A drive-in dowel including an inner sleeve (2) having a load application element (3), a cone-shaped widening section (5) formed at a front, in a setting direction (S), end of the inner sleeve (2), and a substantially cylindrical support section (6) adjoin... | 11/23/1999 |
| 5944467 | Press nut To provide a press nut being capable of easily attaching and detaching the nut to and from a bolt by linearly pressing the nut along the bolt and by linearly drawing the nut along the bolt a press nut 1 has a nut body 2 of plastic, tubular cap 3 of plasti... | 08/31/1999 |
| 5941668 | Spreading anchor A spreading anchor including an anchor rod (2) having, at its one end, a cone-shaped head portion (3) widening in a setting direction and, at its opposite end, a load application element, the anchor further including a sleeve (5, 16) surrounding the ancho... | 08/24/1999 |
| 5628579 | Expansion dowel with sleeve and expansion member The expansion dowel includes an expansion sleeve (1) and an expanding member (5). The expansion sleeve 1 is provided with a bore (2) tapering in the setting direction as well as with open ended longitudinal slots (3). The expanding member (5) has a blind ... | 05/13/1997 |
| 5356252 | Unitized expanding dowel A unitized expanding dowel is disclosed for accurately and repeatably locating a part having a through hole relative to a reference part having a hole of like size. The dowel includes a radially expandable, resiliently deformable cylindrical sleeve having... | 10/18/1994 |
| 5342157 | Impact-type expansible plug for anchoring in a cylindrical drilled hole An impact-type expansible plug for anchoring in a cylindrical drilled hole of a concrete part and the like has an expansion sleeve provided with at least one longitudinal slot and expandable in a drilled hole, and also has an expansion sleeve with a conic... | 08/30/1994 |
| 5284409 | Expansion anchor for engagement in a hole An anchor comprising a core including first and second ends and a cylindrical portion between said ends, the first end including means for engaging with a body to be anchored, and the second end terminating in a portion which is enlarged gradually. A slee... | 02/08/1994 |
| 5256016 | Swedge anchoring assembly An anchoring assembly for use in a hole bored inwardly from the surface of a receiving material. The anchoring assembly includes, in general, an anchoring component or swedge anchor having a plurality of fingers, a spreading component or spreader having a... | 10/26/1993 |
| 5181816 | Removable anchor tube assembly An expanding anchor assembly which after securement can be simply released and immediately easily removed by hand from its embedment matrix substrate without damage to itself, the hole in which it was secured or the matrix substrate in which it was embedd... | 01/26/1993 |
| 5085546 | Mounting assembly with an expansible anchor and a mounting tool A mounting assembly includes an expansible anchor having a threaded bolt, an expansible sleeve, and a shank member having an internal thread that enables the shank member to be screwed onto the threaded bolt to provide for expansion of the expansible slee... | 02/04/1992 |
| 5017067 | Anchoring bolt device The invention is directed to an anchoring bolt device for insertion into a material having a predrilled bore formed therein. The anchoring bolt device includes a sleeve-like body defining a longitudinal axis and having an upper portion, a mid portion and ... | 05/21/1991 |