Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7393169 | Blind rivet for a threaded joint A blind rivet for a threaded joint between a support member and a mounting member consists of a body of elastic material and a sleeve of metallic material. The body is formed as a sleeve-shaped shank adapted to be inserted into a mounting hole of the support member.... | 07/01/2008 |
| 7249922 | Jointing member for fixing panel members by one-touch operation A jointing member has a grommet and a pin. The grommet includes a flange portion and a leg portion capable of being opened, in which an insertion hole is formed from the center of the flange portion to the inner portion of the leg portion, and an engagement portion ... | 07/31/2007 |
| 7179020 | Mine roof bolt anchoring system and method An improved mine roof bolt is disclosed. The mine roof bolt comprises a bolt portion having a threaded end, a slidable camming nut, a stop, and an expansion shell having a central threaded nut with wedge fingers extending from it. The camming nut is fitted into the ... | 02/20/2007 |
| 7107697 | Measuring point bolt and method of making the bolt Measuring-point bolt including a body having a first end and a second end. The first end has an internal opening adapted to receive a measuring device pin. The second end is adapted connect to a hollow pin of another measuring device. A main internal opening is arra... | 09/19/2006 |
| 7093998 | Mounting device A mounting device (1) for mounting a component (2), preferably a Bowden cable, in or at a bore (3) or a notch (4) in a mounting wall (5), comprising a hollow cylinder (6) attached to the component (2) and insertable i... | 08/22/2006 |
| 7001109 | Apparatus for ground support An improved apparatus for ground support comprising a tensionable reinforcing member including at least one nut threadably receivable by the tensionable reinforcing member. The nut body comprises a squared portion and a convex hemispherical portion. The nut includes... | 02/21/2006 |
| 6726417 | Clip The clip 1 comprises a hollow bushing 6 with a flange 10 and a shank 11, and a pin 5 with a shank 9 inserted into the bushing 6. The pin shank 9 is inserted into the bushing shank 11 to enlarge the bushi... | 04/27/2004 |
| 6672810 | Fitting for connecting two structural components A fitting for connecting two structural components, particularly plates, includes a clamping device mounted in the first structural component and an expanding sleeve which can be secured to the second structural component. A bolt is arranged in the expand... | 01/06/2004 |
| 6668688 | Expandable screw apparatus and method thereof An apparatus for an expandable screw including an outer screw, a inner screw, and an end nut. An assembly and method for driving and expanding an expandable screw apparatus into a surface or structure. The assembly and method dynamically expand the expand... | 12/30/2003 |
| 6524046 | Wedge anchor A wedge anchor has a shank with an expander section having a surface that forms an angle greater than 8° with respect to an axis of the shank. A plurality of longitudinal ribs project radially and outwardly from the expander section, extend along the axi... | 02/25/2003 |
| 6350091 | Handle grommet assembly The grommet assembly includes a grommet head and a pin. The pin includes longitudinal guide channels and an enlarged head which may include undercuts formed immediately underneath the enlarged head. The grommet head includes grommet segments secured radia... | 02/26/2002 |
| 5772372 | Spreading anchor A spreading anchor including an anchor rod (2) having a stem (12) provided at its front end, when viewed in a setting direction, with a cone (3) widening outwardly towards its free end and a longitudinally displaceable sleeve (4) pushed over the anchor ro... | 06/30/1998 |
| 5702216 | Expanding wall plug An expanding wall plug including a headed anchoring socket adapted for mounting in a hole in a wall; a screw inserted through the anchoring socket and having a head received in a tapered hole at one end of the anchoring socket, an expansion shell mounted ... | 12/30/1997 |
| 5567097 | Device for fastening an assembly on the bodywork of a motor vehicle, and a screen wiper module including such a device A device for fastening to the body of a motor vehicle an assembly comprising a support plate, is of the type comprising a bolt-and-nut assembly. The threaded shank of the bolt passes through a hole in the support plate, a hole formed in a damping ring whi... | 10/22/1996 |
| 5441372 | Rock bolt shell and cone A rock bolt shell and cone. An expansible shell having a cylindrical outer surface and raised ridges in relief on the exterior of the shell. One or more ridges are located along a curve non-congruent with a circumferential circle of the cylinder. In a dis... | 08/15/1995 |
| 5333977 | Bolt having a locking means A locking bolt consists of a main bolt with a through hole extending axially along its center line, a deforming bolt rotatably mounted in the through hole in the main bolt, and a nut which is screwed onto the end of the deforming bolt. At least one slit i... | 08/02/1994 |
| 5297909 | Self-drilling expansion drill A self-drilling expansion screw capable of being driven by a screw driving means comprises: (a) a screw shank having a first end and a second end, including: (1) an expansion hole extending a distance along the axis of the screw shank from the first end t... | 03/29/1994 |
| 5244314 | Expansion assembly An expansion assembly for use with resin on a mine roof bolt includes an expandable shell and a camming plug having a first end wall spaced from a second end wall by a tapered body portion. Four equidistantly spaced grooves extend longitudinally in the ta... | 09/14/1993 |
| 5186590 | Multipart dowel The invention concerns a multi-part dowel with an outer body (2), which has an approximately cylindrical shank (4) and an inner body (12). In the position of use, the outer body (2) and inner body (12) engage with each other in the same way as a multiple ... | 02/16/1993 |
| 5149235 | Nut A nut fastener device for a blind hole anchor (FIG. 2) has the nut 14 made frusto-conical with the smallest diameter knurled at 30 and with the largest diameter provided with relieved and back tapered flanks 20. The nut is made integral with a sleeve 10 h... | 09/22/1992 |
| 5039263 | Cover with integral fastening means The utility of a cover for vents or drains is improved by having a unitary, integral fastening means which can be used to either secure the covering so securely that mutilation of the cover may be required to remove the cover or that the cover may be easi... | 08/13/1991 |
| 5011337 | Mine roof expansion anchor shell and leaf A one-piece, malleable iron, expansion shell, and a leaf of such shell, for use in an expansion to be installed in a relatively small (about 1") diameter bore hole with a conventional size (5/8") bolt. The expansion shell, and individual shell leaves have... | 04/30/1991 |
| 4913593 | Mine roof expansion anchor A two-piece, malleable iron, expansion anchor for installation in a relatively small (about 1") diameter bore hole with a conventional size (5/8") bolt. The four-prong expansion shell, camming plug, and individual shell leaves each have unique features co... | 04/03/1990 |
| 4883394 | Cover with integral fastening means The utility of a cover for vents or drains is improved by having a unitary, integral fastening means which can be used to either secure the covering so securely that mutilation of the cover may be required to remove the cover or that the cover may be easi... | 11/28/1989 |
| 4856950 | Re-usable plastic drive rivets A re-usable plastic drive rivet is of the type comprising an axially extending shank in association with an axially extending drive pin which is axially drivable into a bore extending axially through the shank. In order to permit release of the entire dri... | 08/15/1989 |
| 4805260 | Expander device An expander device for anchoring in a hole to secure a castor to a part which forms the hole, comprises a conical expander engaged in a sleeve having a conical interior. The expander and the sleeve are mouldings of reinforced plastics material. The expand... | 02/21/1989 |
| 4797044 | Improvements introduced in the anchoring systems by means of threaded bolts An anchoring system in concrete having a predrilled hole with an undercut. The anchoring system includes a cylindrical rod that is threaded at one end and has a trunk conical head at the other end. A sleeve extends over the lower portion of the cylindrica... | 01/10/1989 |
| 4776143 | Anchor An anchor for use in slab facings comprises an anchor bolt (2), which has an inner end that is adapted to be inserted into and to be embedded in mortar in a hole (6) formed in a wall (7) to be faced and an outer end provided with a transverse rod (1) for ... | 10/11/1988 |
| 4764055 | Resin reinforced expansion anchor system A resin reinforced expansion anchor system for a mine roof support bolt or the like utilizes a specially configured, thin-walled expansion shell together with a thin-walled, dual-taper plug for expanding the shell. The shell and the plug cooperate to impl... | 08/16/1988 |
| 4474515 | Expansion fastener The utility of an expansion fastener including an externally threaded shaft having a head shaped so as to be capable of being engaged by a manipulative tool, a generally cylindrical longitudinally split sleeve located around the shaft, a nut threaded on t... | 10/02/1984 |
| 4402639 | Anchor bolt An anchor bolt is arranged to be secured in a relatively deeply drilled hole having a conical enlargement adjacent the base or inner end of the hole. The anchor bolt is formed of an axially elongated tie rod and an anchor located on the end of the tie rod... | 09/06/1983 |
| 4274324 | Hollow wall screw anchor A plastic screw anchor for fastening fixtures and other objects to a hollow wall, the anchor including a four-legged diamond-shaped shank whose front legs are joined together by a front apex living hinge and whose rear legs are joined to the front legs by... | 06/23/1981 |
| 4173918 | Roof bolt and the like A roof bolt for use in a predrilled hole in a mine has an elongated stud on which is mounted a cylindrical sleeve. The first or inner end of the stud is threaded and carries a wedge adapted to enter one end of the sleeve and forcefully expand it in respon... | 11/13/1979 |
