Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7357364 | Mounting devices Support devices are adapted for use to releasably attach mounting items to structures constructed of brick, stone, concrete or cinder block, or other comparable materials. The devices have expander and support portions. The expander portion have two inter-fitting we... | 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 |
| 7073981 | Rock stabilizer A rock stabilizer includes a metal tube with a tapered distal end and a flanged proximal end capable of being positioned within a bore in a mine wall. A slit runs substantially the entire length and indentations are formed in the outer surface along the length adjac... | 07/11/2006 |
| 7065855 | Installation tool for setting anchors The invention provides an installation tool for use with a battery operated drill or a corded electric drill for repetitive installation of caulk-in anchors. The installation tool utilizes the mechanical advantage of a threaded shaft to improve consistency of the ho... | 06/27/2006 |
| 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 |
| 5957643 | Fastening element with expansible member A fastening element has a shaft having a rear end and a forward end with a forward end face, holding means arranged at the rear end of the body for fastening an article to a building component, means forming an expansible region starting from the forward ... | 09/28/1999 |
| 4527822 | Sunroof latch A latch mechanism for retaining a sunroof closure panel in a vehicle body roof opening includes a pin projecting from the closure panel and received within a bore of a receptacle mounted on the vehicle body. The pin is bifurcated by a central slot definin... | 07/09/1985 |
| 4464076 | Expansion dowel assembly An expansion dowel assembly is formed of an axially extending dowel body and an expansion member. The dowel body has a support surface inclined relative to the axis of the dowel body along which the expansion member can be displaced for anchoring the dowe... | 08/07/1984 |
| 4444529 | Bolt-like fixing assembly for reinforcing rock structure A bolt-like fixing assembly for use in improving the strength and/or stability characteristics of rock structure, such as for reinforcing rocks, includes an elongate structure one end of which is adapted to be fixed within a bore formed in a rock and a de... | 04/24/1984 |
| 4261151 | Structure for combining two bodies Structure for combining an attaching member of integrally constituted engaging body to a receiving member having a rectangular attaching hole through a clip, wherein the device comprises said engaging body which includes a pair of supporting plates which ... | 04/14/1981 |
