...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 |
| 7220084 | Power drill attachment and method for using the attachment In order to facilitate and make more ergonomic the drilling of a multitude of holes in workpieces, particularly in the assembly of large scale components, such as an aircraft body, the power drill is docked to a support by an attachment which engages and locks onto ... | 05/22/2007 |
| 7073989 | Re-configurable bushing and drill incorporating same A bushing and associated drill are provided that may be actuated either pneumatically or with a spring in order to be biased into contact with a structure, such as a multi-layer structure, to reduce gaps therewithin. The bushing includes a housing and a nose piece s... | 07/11/2006 |
| 6860682 | Electric drill guide apparatus A drill guide has a base plate with a hole for positioning on or above a work piece. A carriage assembly secures the drill with the drill bit disposed over the base plate hole. The carriage assembly telescopes on guideposts with a spring biasing the carriage assembl... | 03/01/2005 |
| 6796753 | Tooling accessory for hand drilling A tooling accessory for use with a slightly modified hand drill to produce accurate holes includes a base plate with a central opening having a vertical member arising at 90 degrees from the perimeter of the base plate. A body of a conventional hand drill is modifie... | 09/28/2004 |
| 6776562 | Power feed aline-a-drill attachment A power feed attachment that has a coupling structure to couple it to a hand held drill. A double-acting cylinder, which has a piston and a rod, and is fixedly coupled to the coupling structure. A two-position valve assembly is configured for directing a pressurized... | 08/17/2004 |
| 6692201 | Portable drill press The portable drill press has a rack bar with a brace attached at one end. A pinion slide assembly is slidably engaged with the rack bar such that the pinion is in rotational engagement with a rack. The pinion slide assembly may be retained on the rack bar... | 02/17/2004 |
| 6655428 | Dowel hole & slot cutter A dowel hole and slot cutter comprise a motor having a base slidably mounted on a track and a cylindrical cutting bit mounted at one end of the motor and extending outwardly therefrom. A support includes a pair of arms with one arm extending upwardly from... | 12/02/2003 |
| 6401772 | System and method for forming dovetail joints An apparatus for cutting dovetail joints comprises one or more trapezoidal mortising chisels mountable on a drill press, each trapezoidal mortising chisel having a trapezoidal cross sectional shape with a particular slope or "pitch" on its non-parallel si... | 06/11/2002 |
| 6386802 | Hand drill and method of use A hand drill for rotating a cutter has a housing having a motor therein. The housing has a first end and a second end. A first planar surface of the housing extends between the first and second ends, the first planar surface being parallel to an axis of r... | 05/14/2002 |
| 6293320 | Multi-purpose machining apparatus A precision multi-purpose machining apparatus for facilitating lathing, milling, drilling, sawing or routing operations typically using a rotary-type cutting tool. In a preferred embodiment the multi-purpose machining apparatus of this invention is charac... | 09/25/2001 |
| 6264406 | Support for mounting a tool on a pipe A tool support for mounting a working tool on a pipe comprises a base having inverted V-shaped saddle portions engaging the pipe and a clamping chain extending between opposite sides of the base for clamping the base on a pipe. A first end of the chain is... | 07/24/2001 |
| 6264407 | Portable electric railroad rail drill apparatus A portable electric railroad rail drill apparatus includes an elongated main shaft, a support frame, an electric drill, a clamp, a handle and a support leg. The support frame is reciprocally mounted to the main shaft for movement therealong between first ... | 07/24/2001 |
| 6223794 | Woodworking station A woodworking station is provided, in which cutting heads and cutting bits, e.g. routers, small-bodied rotary tools, plunge routers, and others, are either permanently or interchangeably positioned with respect to a tiltable and rotatable cutting table, s... | 05/01/2001 |
| 6099213 | Automatic boring device An automatic boring device is provided that comprises a tool housing having attached to it two opposing handles with switches mounted thereon for selective engagement of pneumatic controls that activate a clamping device, rotation of a chuck of a pneumati... | 08/08/2000 |
| 6095724 | Adjustable drill stand assembly for drilling overhead concrete or other overhead surfaces An improved drill stand assembly for supporting a power drill in an elevated and inverted position and for advancing and retracting the drill towards and away from an overhead work surface without regard to angular displacement of the drill bit, the drill... | 08/01/2000 |
| 6050753 | Apparatus for mounting a drill on a pipe Apparatus for mounting a drill on the pipe comprises a platform carrying a mounting member for a drill stand. The mounting may slide along a frame which carries a plurality of elongate holes therein. The longitudinal movement allowed by this relative slid... | 04/18/2000 |
| 6007278 | Device for machining an interior surface of a tubular object Disclosed is a device for use in machining an interior surface of a tubular object which comprises a pair of rails that can be longitudinally instad through the interior section of the tubular object. Braces join the rail for fixing the rails to the tub... | 12/28/1999 |
| 5954460 | Drill stand An improved drill stand is provided which includes a stand column slidably connected to a bearer unit so that the position or height of the bearer unit with respect to the stand column may be adjusted. The bearer unit includes a gear segment which is bias... | 09/21/1999 |
| 5899644 | Apparatus for supporting a hand guided drill tool A support apparatus for a hand guided drill tool, especially a drill tool having diamond cutting elements, is provided. The support apparatus includes a movable support arm having at its free end a stand off piece for receiving and guiding a drill bit rel... | 05/04/1999 |
| 5888031 | Drilling device A drilling device for drilling with diamond tools has a drilling head having a drilling head housing, a drilling shaft rotatably supported in the housing, the drilling shaft having a tool side and being provided with a receiving opening for a drilling too... | 03/30/1999 |
| 5885036 | Hand held drill press and method of use A hand held drill press (20) is shown for a drill motor (30) having a clamping collar (44) and a drill bit (26). The drill motor is mounted in a movable jaw (56) which is moved along a slide bar (52) toward a fixed jaw (54) by squeezing a trigger (58) aga... | 03/23/1999 |
| 5882152 | Multi-bit drill A drill having an elongated body including a fluted land and a shank. The fluted land includes a plurality of radial grooves of reduced material thickness formed therein to the depth of the flutes. The grooves define discrete segments of the drill. Each s... | 03/16/1999 |
| 5863158 | Power drill leverage tool assembly A new Power Drill Leverage Tool Assembly for providing additional leverage force upon the power drill bit in engaging a material to be drilled or reamed. The inventive device includes a tool member having a first end, a second end, a casing engaging tool ... | 01/26/1999 |
| 5863160 | Portable tool guide A new portable tool guide for providing extra leverage when using a power drill. The inventive device includes a first positioning member slidably mounted to a second positioning member. The second positioning member is slidably mounted to a mounting memb... | 01/26/1999 |
| 5820317 | Apparatus for supporting a drill in an elevated position An adjustable pole support with a mounting bracket for a drill. At the base of the pole are a swivel bracket and a pivoting foot lever. An electrical outlet is mounted on the pole and is controlled by a separate switch. Thus, the drill trigger can be lock... | 10/13/1998 |
| 5797708 | Universal drill guide A universal drill guide (10) comprising a base (12) being a frame-like configuration having a large central opening. A pair of elongated columns (14) are provided. A structure (16) is for pivotally mounting lower ends of the elongated columns (14) paralle... | 08/25/1998 |
| 5785467 | Lever bar machining apparatus A multi-method capable portable machining apparatus including a lever bar and fulcrum that allows user to place multiplied pressure on the rotating cutting tool while at the same time controlling the torque and other reactional forces introduced by the op... | 07/28/1998 |
| 5713702 | Adaptors for a drill stand An adaptor mounting a drill stand on an I-beam comprises a base plate which is clamped to a flange of the beam by clamping arrangements. A table of the drill stand is then bolted to cross-members slidably mounted on the base plate. In another arrangement,... | 02/03/1998 |
| 5676503 | Drill stand with an automatic advancement device for a drilling machine A drill stand for a hand-held drilling machine (30) has a length-variable support (2, 4), on which a clamping chuck (20) for the drilling machine (30) is mounted in a displaceable manner. A spring (50) presses the drilling machine (30) in the advancement ... | 10/14/1997 |
| 5667345 | Optical device and method for obtaining reference planes, especially for hand-held tools Method of direction control consisting in producing one or more parallel reference lines (7,8) that may be manipulated in such a way that their directions become parallel to the intended direction and with the help of plane mirrors making images (9,10) of... | 09/16/1997 |
| 5660508 | Portable radial drill press A portable radial drill press including a base member that has a columnar support with a balance retention member. The columnar support has a first axial bore and a back side with a slit. Included is a traveling block has a rear support with a second axia... | 08/26/1997 |
| 5598892 | Tool extender A tool extender to bridge the space between a person and a portable tool to be remotely actuated by the person includes cradle means engageable with the tool and at least one guide rod attached to the cradle means and slidable within a bridge support. A s... | 02/04/1997 |
| 5361851 | Tool reach extender A tool reach extender is usable with a variety of different hand tools, and has grip handle portion fitting into a saddle member slidably adjustable on a guide structure at one end of the reach extender. The guide structure front end is connected to a cra... | 11/08/1994 |
| 5348428 | Underfloor drilling jig and frame An underfloor drilling jig comprises a fixed outer frame 28 and an inner frame which slides within. A standard electric drill 10 is clamped to this inner frame in a vertical position with an angled gear-box 11 attached below. An adjustable lever assembly ... | 09/20/1994 |
| 5342153 | Portable drill support with a work surface engaging base A drill support having a base, and a body secured to and supported by the base. A saddle member is movably disposed on the body and a drill is removably disposed or secured to the saddle member in order to move up and down therewith.... | 08/30/1994 |
| 5322397 | Apparatus for supporting a drill in an elevated position A supporting apparatus for supporting a drill in an elevated position, the drill including a drill chuck having an axis of rotation, the drill being supported by the supporting apparatus such that the axis of rotation of the drill chuck is orientated subs... | 06/21/1994 |
| 5314271 | Portable drill guide A guide mechanism and a portable drill are coupled together to define a portable, hand-operated drilling device. The drilling device includes a replaceable back-up fixture for engaging a first side of a workpiece and a drill support which adjustably and r... | 05/24/1994 |
| 5244048 | Drilling system A drilling system for drilling upwardly under automobiles, and for drilling in a direction away from a drill base in other uses, having a base to which a post is attached. A drill carrier slides on the post. A collar is adjustable to anchoring positions a... | 09/14/1993 |
| 5165827 | Multi-use tool guide An axially moveable portable tool, such as a drill, and a guide for the tool are disclosed. The guide has a base with a post and a handle attached to and extending from the base. The post and handle are positioned so that a projection of the time of force... | 11/24/1992 |
| 5160231 | Press with quick attach tool alignment The invention is to an improvement for power tool presses of the type that clamp a portable tool, such as a drill, for use as the cutting means. A commonly used base, column, support bracket, rack and pinion and actuating handle are used. The press is pro... | 11/03/1992 |