Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8021073 | Shaft member coupling structure A shaft member coupling structure includes first and second spool members lockably coupled in a condition wherein the spool members coaxially extend with a coupling part in the center, a fitting concave portion axially extends and is formed at the end of the first s... | 09/20/2011 |
| 7374377 | Bit holding apparatus for use with a power tool An apparatus includes a rotatable device, which may be a keyless chuck, a keyless chuck adapter, a collet chuck, a collet adapter, a set screw bit retaining chuck, or a set screw bit retaining adapter. The rotatable device is configured to be mounted to a power tool... | 05/20/2008 |
| 7353749 | Piston retention apparatus and method An apparatus and method for coupling a piston member to a rod member to create a piston and rod assembly are provided. The piston and rod assembly may include a piston member having a longitudinal bore and first and second retaining passages in communication with an... | 04/08/2008 |
| 7354230 | Bit holding apparatus for use with a power tool An attachment (10) for use with a power tool (12) which can conveniently convert a rotatable chuck (14) or adapter (78) used with a first bit device (22) to usage with a second bit device (36) and vice versa. Either first or... | 04/08/2008 |
| 7331620 | Shovel capable of facilitating the operation of throwing shoveled objects off A shovel has a main handle, a blade member, a pivot base and an auxiliary handle. The blade member is mounted at an end of the main handle, the pivot base is pivoted on the main handle adjacent to the blade member and the auxiliary handle is pivoted on the pivot mem... | 02/19/2008 |
| 7318532 | Slam latch for rackmount rail A rackmount system for a component may include outer slide members that couple with inner slide members. The outer slide members may be coupled to a rack with slam latches. The slam latches may couple with rails of the rack when the slam latches are placed against t... | 01/15/2008 |
| 7293934 | Telescopically adjustable pipe A telescopically adjustable pipe includes an outer tube, an inner tube, an inner bushing, a sleeve, a push member, a mounting bracket, a positioning member, and a retaining member. Thus, the positioning member is moved by movement of the push member and is detachabl... | 11/13/2007 |
| 7237968 | Thermally transcribing printer and image forming apparatus In a thermally transcribing printer including a frame, a roller shaft, a roller shaft drive gear and a motor, the roller shaft includes one end installed on an inner side of the frame and folded to bend in an L-like shape and other end fitted to a drawout preventing... | 07/03/2007 |
| 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 |
| 7086185 | Device for coupling wear pieces to the receptacle tools of a public works machine In a device for coupling a tooth onto an adaptor nose with a key, the tooth includes a skirt shrouding the adapter nose beyond the key passage zone and having a configuration connected to a return wall, comprising a bordering ridge. The wall is provided in the width... | 08/08/2006 |
| 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 |
| 7004671 | Pipe connecting structure and cleaning tool A pipe connecting structure for connecting a pair of sleeve-like pipes integrally in an axial direction by inserting a male side end portion of one of the pair of sleeve-like pipes into an opening of a female side end portion of the other sleeve-like pipe so as to s... | 02/28/2006 |
| 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 |
| 6959622 | Rotary tilt locking mechanism A steering column rotary tilt locking mechanism. The mechanism includes a rod pivotally interconnecting upper and lower column members and a sleeve supported about the rod. The rod and sleeve have selectively engageable surfaces. The sleeve has opposed slots with on... | 11/01/2005 |
| 6851886 | Knee joint assembly A knee joint assembly for an agricultural implement or a vehicle includes a relatively short knee casting with an apertured end of rectangular cross section which is inserted in a mating steel knee tube. The apertures in the casting end align with beveled apertures ... | 02/08/2005 |
| 6786669 | Positive lock quick release pin A positive lock quick release pin for locking a plurality of objects together includes a handle portion which is in communication with a handle housing. The handle housing has an interior cavity within which a shaft member is disclosed. The pin also includes a ball ... | 09/07/2004 |
| 6725582 | Assembly for fastening a ground engaging tool to a support structure The present invention provides for an assembly for locking a first workpiece mountable onto a second workpiece. The first workpiece has an opening adapted to allow a locking pin to pass therethrough. The opening is cooperatively disposed with respect to a pin receiv... | 04/27/2004 |
| 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 |
| 6571884 | Quick change sweep retainer A novel solution for changing sweeps or knives on a cultivator or other soil working tool is the subject matter of the present invention. In today's farming world, where labor is at a premium and time is of the essence, a sole operator or farmer in prepar... | 06/03/2003 |
| 6443413 | Adjustable jack stand An improved adjustable jack stand combines a ratchet and pawl height maintenance mechanism with a pin and hole mechanism wherein the holes in the post coordinate with the teeth in the post so that any engagement between the pawl and a tooth ensures that a... | 09/03/2002 |
| 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 |
| 6079431 | Underarm cane device An improved underarm cane device including a cane having a Y-type structure with an upper end portion and two rods extending therefrom. The arm supporter structure includes an arm supporter and two ends, with each end of the arm supporter structure having... | 06/27/2000 |
| 6003403 | Device for the automatic stepped cable length adjustment of bowden cable system A device for the automatic, stepped cable length compensation of a Bowden cable system in which a spring-tensioned cable is guided. The spring is supported between a part on the housing side and a part on the Bowden tube side displaceable relative thereto... | 12/21/1999 |
| 5904440 | Piston/piston rod assembly having positive locking means between said piston and said piston rod A piston/piston rod assembly. The piston is an annular member which is provided with a longitudinal bore therethrough having internal threads therein. A transverse opening is provided through the piston. The piston rod is provided with a threaded end for ... | 05/18/1999 |
| 5380117 | Apparatus for the detachable coupling of gripping devices or corresponding tools on robot arms An apparatus for the detachable coupling, particularly of gripping devices or corresponding tools on robot arms or the like, is disclosed. The apparatus generally comprises two flange elements fastenable at the gripping device and robot arm, a receiving r... | 01/10/1995 |
| 5295788 | Rotor assembly for screw pump A rotor assembly for a screw pump has a light alloy rotor main body having an axially extending central bore. A steel shaft is press-fitted into the central bore. A diametrically extending fixing pin is press-fitted through the rotor main body and the sha... | 03/22/1994 |
| 5209896 | Heat shield The heat shield according to the invention makes it possible to protect a structure from a very high thermal flux. It is mainly constituted by tiles (2) fixed to a support structure (4) by means of a spring (8) fixed in translation with respect to a tile ... | 05/11/1993 |
| 5167449 | Paddle shaft assembly with adjustable-pitch paddles A paddle shaft assembly having adjustable-pitch paddles for use in a magnetic stirring apparatus. The paddle assembly is particularly useful for magnetic stirring apparatus used for suspending cell, or tissue, cultures in a growing medium. The paddle shaf... | 12/01/1992 |
| 5122007 | Pulling eye with breakaway An improved cable pulling eye including breakaway protection. The cable pulling eye includes a main body having a female end and a second body with a male end which may be inserted together. The bodies are held together by a breakaway pin passing through ... | 06/16/1992 |
| 5116072 | Ball hitch with rotatable ball A post and ball type hitch apparatus intended for use with a conventional hitch socket is disclosed. The apparatus includes a post formed of a generally elongate cylindrical member having a top portion, a central portion and a bottom portion. The bottom p... | 05/26/1992 |
| 5083883 | Lockable pushbutton pin coupler A locking structure for a spring-loaded, pushbutton pin coupler, the inveon prevents inadvertent or accidental depression of a "button latch" pin which can result in an uncoupled joint. The present locking structure cooperates with a pushbutton pin conne... | 01/28/1992 |
| 5042332 | Angularly displaced pin coupling A coupling for interconnected members uses a pin positioned in holes perpendicular to the axes of the members, where the holes in each are formed and arranged by angular displacement so that the pin rotationally forces the members against one another for ... | 08/27/1991 |
| 5026082 | Step for transport vehicle side door A removable step, carried by a highway transport vehicle laterally adjacent the threshold of a side door defined in a cargo container body, aids worker access through the door. The step provides fastening legs releasably maintained in spaced fastening bra... | 06/25/1991 |
| 5022670 | Separable creeper having a non-planar support surface A long, narrow, rigid panel supports a row of wheels beneath each long edge. The wheels are spaced sufficiently close together and are small enough to roll over the usual size joists and trusses and to span at least two so that a person lying on the panel... | 06/11/1991 |
| 4986406 | Anti-theft parking meter anchoring device An anti-theft device for anchoring a parking meter head to the top of a support post. The device includes a metal capture cylinder formed with a lateral bore which receives a double-headed locking pin, the heads of which are adapted to fit within a pair o... | 01/22/1991 |
| 4906124 | Multi-piece eccentric assembly An eccentric assembly has a one-piece mainshaft with a groove extending part way around its periphery. An eccentric ring has an off-center opening which receives the mainshaft, with part of the ring received by the groove. An arcuate-shaped insert with a ... | 03/06/1990 |
| 4854765 | Reversible thermal compensation joint A reversible thermal compensation joint having a ceramic fairing (20) with a spindle (24) slidably engaged within a metal hinge housing (22). The spindle (24) has a groove (28) with inwardly converging side walls (36) and a flat bottom (38) in which is se... | 08/08/1989 |
| 4848013 | Two pin fastening assembly with interconnecting and retaining means In ground engaging tools, reliable fastening devices are needed to quickly and effectively secure replaceable earth working tips to adapters. The fastening pin assembly should be configured in such a way as to prevent pin loss or breakage which causes the... | 07/18/1989 |
| 4848196 | Quick release and automatic positive locking mechanism for socket wrenches and extension bars for socket wrenches A quick-release and positive locking mechanism adapted for use on tools for receiving removable sockets, and particularly adapted for use on extension bars of the type frequently employed with socket wrenches. One form of the mechanism comprises a drive s... | 07/18/1989 |
| 4791826 | Gearshift knob joining arrangement An arrangement for readily joining a plastic handgrip knob to a metal gearshift rod in a positive non-slip manner. The handgrip includes a plastic core member molded with an axial blind bore defining a linear key therein extending a predetermined axial di... | 12/20/1988 |
