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 |
| 7413366 | Connecting members and methods for connecting implements to extension poles A connecting member for releasably connecting a first part to a second part is provided. The connecting member includes a housing and a first locking member. The housing has a first opening and a second opening. The first locking member has a first tab and a first b... | 08/19/2008 |
| 7303210 | Secure crank locking device for trailer landing gear assembly A secured crank locking device automatically secures a hand crank in its operative position to an input shaft of a gearing mechanism, with the locking device being easily disengaged to move the crank from its operative position to a stored position following rotatio... | 12/04/2007 |
| 7261282 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 08/28/2007 |
| 7217057 | Surgical implant or instrument with fixing screw A surgical implant or instrument has two parts, one sliding on the other, the lower part being provided with a threaded bore and the upper part being provided with a passage orifice for receiving a fixing screw. The set screw can be received over its entire length b... | 05/15/2007 |
| 7150578 | Appliance mounting bracket A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality ... | 12/19/2006 |
| 7097380 | Positioning structure of a beach umbrella A positioning structure of a beach umbrella is provided that includes a positioning apparatus to connect with a lower tube of the umbrella. The apparatus has a flat plate for forcing the lower tube being inserted into ground easily. A handle has a rod to engage with... | 08/29/2006 |
| 7063188 | Tree seat An L-shaped tree seat frame includes a forward leg and a side leg on which a rear leg is slidably mounted and limited against relative rotation by cooperating rib and groove deformations in the sleeve of the rear leg and the top wall of the tubular side leg. Foam ma... | 06/20/2006 |
| 7055806 | Rail barricade A rail barricade includes a bottom rail and a U-shaped body frame having a top rail and a pair of vertical rails. A plurality of vertical spokes are located between the vertical rails. The bottom rail further includes an opposing pair of curved ends each having a pr... | 06/06/2006 |
| 7040832 | Locking device to secure a telescopic tube assembly A locking device has an enclosure partially securely mounted on a peripheral edge of the outer tube and having a lever pivotally connected to the enclosure; and a positioning rod securely connected to a side of the lever to be driven by the lever and having a head f... | 05/09/2006 |
| 7025522 | Adjustable bicycle seat post assembly An adjustable height bicycle seat post assembly comprises a hollow seat post for supporting a bicycle seat slidably supported on plastic shims inside a hollow tube. The hollow tube clamps into the frame of a bicycle. A main spring forces the post upward, but a locki... | 04/11/2006 |
| 6997633 | Coupling for split-boom power tool A power tool coupling system for coupling two boom members of a split-boom power tool. The coupling system includes a first section and a second section. The first section is adapted to be fixedly attached to an end of a first one of the boom members. The first sect... | 02/14/2006 |
| 6962209 | Simple, durable and easy-to-use earthworking machine A sod cutter (10) is disclosed including a frame (12) formed by welding the free edges of mount, frame and end plates (46a, 46b 46c) bent relative to one of two side plates (46) to the corresponding edge... | 11/08/2005 |
| 6854916 | Retractable rod assembly A retractable rod assembly includes outer and inner tubes, and a positioning device. An outer tube wall of the outer tube has two outer radial holes formed therein. An inner tube wall of the inner tube has two inner radial holes formed therein. The positioning devic... | 02/15/2005 |
| 6742322 | Portable plastic film wrapping system A portable plastic film wrapping system comprises a push-cart having a vertical mast member mounted thereon. A film roll carriage is vertically movable along the mast member, and the film roll carriage is operatively connected to a counterweight which is movably dis... | 06/01/2004 |
| 6739790 | Shaft assembly safety mechanism A shaft coupling assembly comprising a coupling element including a shaft receiving slot and retainer receiving aperture adjacent the shaft receiving slot; a retainer extendable through the retainer receiving aperture; and an axial shaft body configured to be insert... | 05/25/2004 |
| 6726393 | Connecting device for connecting a tool with tool bits of different lengths A connecting device for connecting a tool with tool bits of different lengths is taught here. The connecting device includes a shank, a socket and a position retainer. The shank includes a first end for engagement with the tool and a second end. The socket includes ... | 04/27/2004 |
| 6626765 | Universal joint shaft The present invention relates to a universal joint shaft which includes a driving shaft and driven shaft engaged to a driving yoke and driven yoke which are arranged in an installation position and have opposite both front ends which are distanced and a r... | 09/30/2003 |
| 6575656 | Pull pin assembly for canopy A pull pin assembly includes: a first pole having a first hole; a second pole having a second hole, and sliding in the first pole; a main body having a central hollow containing the first pole; a pull pin body extending radially from the central hollow, a... | 06/10/2003 |
| 6551226 | Adjustment apparatus for exercise machine An adjustment apparatus for adjusting the position of a member on an exercise machine has an inner tube with a series of spaced pinning holes and an outer tube telescopically engaged over the inner tube and having a locator hole for alignment with a selec... | 04/22/2003 |
| 6398445 | Security and fixing mechanism A safety and fixing mechanism allows a movable shape to move in one direction relative to a fixed shaped along an axis but automatically stops the moving shape from moving in the other direction. A ratchet machanism fastened to the fixed shape includes a ... | 06/04/2002 |
| 6263895 | Quick connect system A connector system for tubing or piping which provides a male/female combination for the joining of tubes, pipes or the like for rapidly assembling and disassembling various structures such as temporary canopies, tents or the like. The system provides a m... | 07/24/2001 |
| 5547116 | Bracket for mounting a carrier on a vehicle An improved bracket for mounting a carrier on a vehicle for carrying various articles such as skis and ski poles, bicycles and luggage. The illustrated bracket supports the carrier at the rear of the vehicle. The bracket is firmly and rigidly supports the... | 08/20/1996 |
| 5449100 | Carrier for skis and ski poles An improved bracket for mounting a carrier on a vehicle for carrying objects such as skis and ski poles. The illustrated bracket supports the carrier at the rear of the vehicle. The bracket is firmly and rigidly supports the carrier so as to limit tilting... | 09/12/1995 |
| 5261908 | Expandable vertical prosthetic rib Applicant's invention includes a prosthetic rib (10) which is adjustable in length through relatively minor surgical procedures subsequent to initial implantation along with methods for using same in the treatment of chest wall deformities and scoliosis a... | 11/16/1993 |
| 5259821 | Linear spacing device A linear spacing device has first and second elongated components, which may be telescoping hollow tubes, each having linear surfaces engaging each other in sliding relationship. Each component has spaced holes disposed at regular linear intervals along i... | 11/09/1993 |
| 5076577 | Coupling for attachments to an exercise apparatus The device is for coupling, attachments or accessories to a bench-type exercising apparatus for use in performing arm and leg exercises. The attachments are movable and have multi-positionable body engagement elements. The coupling attachments consist of ... | 12/31/1991 |
| 4615534 | Movable and foldable wheel support particularly for rubber boats A foldable wheel support enables setting in operative position or retracting supporting wheels for boats even in high sea conditions, without disassembling or reassembling, and with space saving on the boat. The support has a first tube secured to the boa... | 10/07/1986 |
| 4509438 | Combination implement for agricultural cultivation A combination implement for agricultural cultivation has a main frame liftably connectable with a pulling or dragging machine and supporting a cultivating device, and an auxiliary frame carrying a crumbler roller which supports the combination implement d... | 04/09/1985 |
| 4318444 | Telescoping hinge member on rearwardly folding tool bar An agricultural implement is disclosed which includes a center section and a plurality of wing sections foldable with respect to each other. A plurality of ground-working tools extend downwardly and rearwardly from the sections of the implement at spaced ... | 03/09/1982 |
| 4314712 | Pole trailer An improved trailer is provided for use with an automotive draft vehicle. The trailer is of the class including a coupling member attached on its forward end to a draft vehicle and having a trailer rear axle assembly slidably mounted on the rear end so as... | 02/09/1982 |
| 4145020 | Retractable apparatus for supporting an element Retractable apparatus for supporting an element such as the arm rest of a seat. The arm rest is movable from a retracted position adjacent the seat to an extended position above the seat by pulling it upwardly, slightly inclining it to one side, and then ... | 03/20/1979 |
