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...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 |
| 7469621 | Table saw A table saw includes a worktable, a base supporting the worktable, a rotary saw blade extending through a cutting slot of the worktable, a saw blade holder pivotally disposed inside the base and mounting with the rotary saw blade, and an indicator having a scale mem... | 12/30/2008 |
| 7322266 | Table saw having a scale device A table saw includes a stationary table, a movable table linearly movable relative to the stationary table, a rip fence movable relative to the stationary table and the movable table, and a scale device mounted between the stationary table and the movable table and ... | 01/29/2008 |
| 7308845 | Sawing angle indicating-and-reading device for a table sawing machine A sawing angle indicating-and-reading device for a table sawing machine includes a saw base, a driving connecting rod and an angle sensing device. The driving connecting rod is actuated to drive the saw base to shift bias for an angle. The angle sensing device is co... | 12/18/2007 |
| 7293490 | Sawing angle indicating device for a table sawing machine A sawing angle indicating device for a table sawing machine includes an angle sensing device composed of a sensing disk, a sensor unit and a circuit device. The sensing disk is firmly fitted on a driving connecting rod to rotate together for putting out signals to t... | 11/13/2007 |
| 7267039 | Circular sawing machine with a multi-directional adjustable laser indication device A circular sawing machine has a multi-directional adjustable laser indication device that includes a body, a support rod disposed rotatably and movably within the body, and a laser lamp fixed on the support rod so as to form a visual indication line on a worktable. ... | 09/11/2007 |
| 7231858 | Table saw having a measurement and display system A table saw having various embodiments of a measurement and display system. Several embodiments have at least one fence rail on which a removable fence is movably supported and comprise an elongated sensor strip that is located adjacent the fence rail and a sensing ... | 06/19/2007 |
| 7066069 | Tilt angle display device for a circular saw machine A display device for a circular saw machine includes a flexible ruler whose two ends are connected to a frame fixed to the blade mechanism I the base of the circular saw machine. Two guide rollers are connected to an underside of the worktable and the flexible ruler... | 06/27/2006 |
| 7051634 | Sheet material saw table A saw table for sheet material includes a platform having an abutment stop along one edge for engaging and locating sheet material supported on the platform. A mast is disposed adjacent to the platform edge for rotation about an axis perpendicular to the platform. A... | 05/30/2006 |
| 7036414 | Work piece guiding system for a table saw An improved table having improvements related to stock support, such as a rip fence stock support, as well as a lateral-table support system; features of laterally-slideable front and back rip fence guide rails, including an improved front rail configuration, an imp... | 05/02/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6899006 | Miter saw measuring fence A miter saw fence construction is provided by which accurate length measurement of an elongate work piece to be cut from stock material may be made. The construction includes a carrier platform slidingly and lockingly mounted to the miter saw fence. Extending rearwa... | 05/31/2005 |
| 6880443 | Device for die-cutting a stack consisting of sheet-type materials The invention relates to a device for die cutting a stack consisting of sheet-type materials, in particular labels. According to said method, a movement of a stack to be cut in relation to a hollow cylindrical be pushed into said die-cutter blade. This type of devic... | 04/19/2005 |
| 6776076 | Angle gauge An angle sensor has a miter bar, a fence, a rotary sensor, a display, and a processing system and may additionally have a head plate, an auxiliary fence, means for detachably affixing the miter bar to a saw blade, and a power source. The miter bar has a longitudinal... | 08/17/2004 |
| 6752059 | Angle guide for saws A guide for guiding a hand held saw is disclosed. The guide has a locating member for locating the guide relative to an edge and a guiding member that guides the saw. The guiding member can be locked at any angle between 0 and 90 degrees relative to locating member ... | 06/22/2004 |
| 6431042 | Turntable mechanism for a cutting tool A cutting tool including a base having a workpiece support surface for supporting a workpiece and an annular, upwardly facing bearing surface. The cutting tool also includes a turntable mounted on the base for rotation about a generally vertical axis. The... | 08/13/2002 |
| 6397716 | Bevel saw angle indicator A bevel angle indicator for a saw is disclosed. The saw 10 consists of a table 16, a pivot support 26 pivotally mounted with respect to the table 16 about a bevel axis 92 and a mechanical saw blade pivotally mounted with respect to the pivot support 26 ab... | 06/04/2002 |
| 6142052 | Punching tool A punching tool includes: a punch driver transmitting an impact force to a punch body and having a screw portion on an outer peripheral surface of an upper portion; a punch head having a screw portion meshed with the screw portion of the punch driver on a... | 11/07/2000 |
| 6142051 | Bevel saw indicator A bevel angle indicator for a saw 10 consists of a table 16, a pivot support 26 pivotally mounted with respect to the table 16 about a bevel axis 92 and a mechanical saw blade pivotally mounted with respect to the pivot support 26 about a second axis 28. ... | 11/07/2000 |
| 6101733 | Saw blade alignment tool A device of utility in precisely setting the angular relationship of a circular saw blade of radial bench type power saw, which includes a special protractor defined by removing adjoining segments of the linear leg and the curved leg thereof, and a modifi... | 08/15/2000 |
| 5931073 | Bevel angle control on translatory saw apparatus A radial arm saw apparatus is provided with a bevel angle adjustment used in combination with a miter angle adjustment. The saw motor is mounted on a rigid vertical mounting plate. The mounting plate is tiltably supported on a rigid vertical support panel... | 08/03/1999 |
| 5868054 | Portable saw table A portable saw table for a portable saw or router comprising a table base for supporting a workpiece, and a slide track support pivoted about a pivot axis to the table base. A slide is movable with respect to the support and slide tracks are mounted on th... | 02/09/1999 |
| 5771767 | Angle attachment for woodworking tools A miter attachment capable of use on radial saws, table saws, drill presses, router tables, and the like, comprises three legs of a triangle. The longest leg constitutes an elongated base member. This base member is pivotally attached at one end to a fenc... | 06/30/1998 |
| 5758558 | Precision measuring apparatus for locating workpieces for work operations A precision measuring mechanism includes a precision threaded rod member and an indicating element mounted to move along a linear graduated scale upon rotation of the precision threaded rod member. A circumferential scale has a plurality of marks spaced f... | 06/02/1998 |
| 5735054 | Fixture for a table saw A self-adjusting accessory for a table saw that includes a guide for sliding in the guide groove of the work supporting table of a table saw and which is biased against the edge of the guide groove which is closest to the cutting blade. The guide bar is u... | 04/07/1998 |
| 5687628 | Guiding device for wood cutting A guiding device for wood cutting includes a positioning member, a guiding member, and a member for releasably securing the guiding member to the positioning member and allowing relative pivotal movement between the positioning member and the guiding memb... | 11/18/1997 |
| 5632096 | Saw blade alignment tool A device of utility in precisely setting the angular relationship of a circular saw blade of a radial bench type power saw, which includes a special protractor defined by removing adjoining segments of the linear leg and the curved leg thereof, and a modi... | 05/27/1997 |
| 5603164 | Adjustable angle guide and angle finder An angle guide device is disclosed which includes a slotted base member pivoted at one end to one end of an angle guide member, an adjustment member pivoted at one end to the angle guide and carrying a slider element at the other end. The slider element i... | 02/18/1997 |
| 5568758 | Compound miter jig apparatus A compound miter jig apparatus includes a base unit and a plurality of connectors for connecting the base unit to an article to be cut. A pair of pivot support assemblies arc connected to the base unit. The pivot support assemblies are spaced apart from e... | 10/29/1996 |
| 5566603 | Double-sided miter box for machine tools in particular panel saws A double-sided miter box for a panel saw machine tool has two interconnected contact rails which can be moved relative to a driven tool. The contact rails are pivotable about a rotation axis. An electrical measurement transducer system which may include a... | 10/22/1996 |
| 5560273 | Miter box with vertical and horizontal angular positioning devices A miter box is provided with a simple demountable and adjustable board stop which operates in conjunction with the horizontal upper edge of the miter box backstop to position a board, such as a piece of cove molding, in an acute vertical angular position ... | 10/01/1996 |
| 5282408 | Table saw A table saw has a circular saw table, a miter table and a supplementary table to form a working table, on the front and rear sides of which two guide rails are disposed slidably with respect to the working table. The miter table has a miter fence thereon ... | 02/01/1994 |
| 5228375 | Adjustable stop apparatus for register punch A register punch has a plurality of punch assemblies for making holes and notches in a sheet member. Adjustable stops located adjacent the punch assemblies cooperate with an edge of the sheet member to locate the sheet member relative to the punch assembl... | 07/20/1993 |
| 5148730 | Sawmark guide A saw guide for use with a portable powered hand saw comprises a base which terminates in a saw guiding edge and is hinged to a flap. Means are provided to anchor the base to the work piece. The flap has an extensible end having a transparent portion with... | 09/22/1992 |
| 5054350 | Key punch machine Apparatus for making a duplicate key when an original key is unavailable wherein the notches in the blade of the key correspond to predetermined coded depth and spacing information. An index card having indexes thereon corresponding to predetermined coded... | 10/08/1991 |
| 5042348 | Compound miter saw In a compound miter saw or the like having a selectively rotatable turntable mounted on a supporting frame and a power driven saw blade pivotally mounted on the turntable between a lowered full cut position and a raised full retract position, the improvem... | 08/27/1991 |
| 4972749 | Calibrated fence for radial arm saws A calibrated fence apparatus for radial arm saws wherein the calibrated fence apparatus consists of one of more fence units secured to the saw table top whereby a workpiece to is positioned against the appartus so as to be cut at a selected length which i... | 11/27/1990 |
| 4961269 | Bi-directional direct read measurement system Disclosed is a measurement system for providing a direct reading of a position on either side of a reference position. The system comprises a reader head including a reader element configured to move laterally with respect to a calibrated reference member... | 10/09/1990 |
| 4934233 | Compound miter saw In a compound miter saw or the like having a selectively rotatable turntable mounted on a supporting frame and a power driven saw blade pivotally mounted on the turntable between a lowered full cut position and a raised full retract position, the improvem... | 06/19/1990 |
| 4920845 | Miter box for portable circular saw The miter box has a flat rectangular base and a pair of upraised, parallel and spaced-apart longitudinal guide rails. One of the guide rails is rigidly secured to the base, while the other can be laterally adjusted to guide the support plates of different... | 05/01/1990 |
| 4840097 | Portable miter guide device for portable power saws A portable miter guide device for portable power saws which is easily disassembled for transportation and readily used on any table or support on the work site. The device comprises horizontal surfaces for guiding the portable power saw across the work pi... | 06/20/1989 |
