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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7971361 | Portable circular saw A portable circular saw has a housing and a baseplate. The housing carries a motor which is connected to a blade through a transmission mechanism. The baseplate includes a main baseplate and a secondary baseplate each of which has a bottom surface and the bottom sur... | 07/05/2011 |
| 7950156 | Power tools A power tool is provided with a perforated material remover to remove perforated material from power tool cutting implements. The power tool also includes a rip guide which has a long guide edge and two attachment points to the shoe/base of the saw. The rip guide is... | 05/31/2011 |
| 7516551 | Portable cutting tool In a portable electric circular saw (portable cutting tool) including a cutting tool body having a motor serving as a driving source and a saw blade (cutting tool) driven to rotate by the motor and a base guiding the cutting tool body along a surface of a material t... | 04/14/2009 |
| 7516552 | Guide and portable cutting tool provided therewith A portable cutting tool includes: a cutting tool main body having a motor, a rotating blade and a saw cover for covering a part of the rotating blade, a base including a slide surface and a supporting part, and a guide including a pole supported by the supporting pa... | 04/14/2009 |
| 7426787 | Retractor for circular saw lower safety-guard Provided is an apparatus for lifting a retractable lower safety-guard on a circular saw. In one representative implementation, an actuator is attached to the circular saw and an elongated arm is coupled to the actuator such that operating the actuator causes the elo... | 09/23/2008 |
| 7325315 | Clamping arrangement for receiving a saw blade in multiple orientations A saw blade clamping arrangement for a power tool including a drive shaft and a saw blade releasably interconnected with the drive shaft for reciprocating motion along a longitudinal axis. The saw blade clamping arrangement includes a support mechanism interconnecte... | 02/05/2008 |
| 7311029 | Quick-pin blade tensioning device A quick-pin blade tensioning device for a band saw comprises a sliding tension bracket coupled with an upper arm of the band saw. The sliding tension bracket engages an upper band wheel which has a band saw blade coupled to it. A lifting shoe, slidably disposed with... | 12/25/2007 |
| 7299553 | Zero-offset power handsaw A zero-offset power handsaw having a body unit including a skid plate and a handle, a circularly shaped saw blade, a blade mounting mechanism including a removable mounting device having a head, a guard, and an electric motor. The saw blade has a forward extremity a... | 11/27/2007 |
| 7293362 | Drill powered cable cutter A cable cutter for attachment to a power drill has a housing, first and second cutting blades connected to the housing for movement relative to one another and a drive assembly releasably engageable with the chuck of the drill and operatively engaged with at least o... | 11/13/2007 |
| 7246446 | Adjustable guide rail for hand tools A method and apparatus are provided for constructing and operating an adjustable guide rail for hand tools, by attaching an elongated blade to a guide with a locking ratcheting apparatus. The locking ratcheting apparatus is thumb-operable. The elongated blade includ... | 07/24/2007 |
| 7174641 | Cutting tool The present invention provides a technique for improving the workability of a cutting tool. According to the present invention, a cutting tool may comprise a body, a base, a sub-base and a parallel ruler. The body may have a blade that can be rotationally driven. Th... | 02/13/2007 |
| 7171735 | Shape member manufacturing apparatus and shape member manufacturing method The invention provides a shape member manufacturing apparatus and a shape member manufacturing method which aims at cutting and grinding a joint projection 8B formed when a plurality of shape members are joined together by welding or friction stir welding, in... | 02/06/2007 |
| 7159323 | Circular saw for facilitating straight cuts and/or cuts at a desired angle relative to a workpiece edge A power saw having one or more features for facilitating straight line and/or angled cuts, including (1) at least two sets of non-slip wheels connected to the bottom plate, each set of wheels comprising an axle having at least two wheels that are fixed to rotate at ... | 01/09/2007 |
| 7066221 | Plate joiner A plate joiner including a fence support, a drive, and a fence system. The fence support includes a cutter and a contact surface, which defines a cutter slot. The cutter is arranged and configured to protrude from fence support through cutter slot to make a plunge c... | 06/27/2006 |
| 7047650 | Hand-operated circular saw having blade cutting depth adjustment device A hand-operated circular saw having blade cutting depth the adjustment device includes a hollow interior tubular body having a hand grasp portion, a head portion, a motor disposed in the head portion to operate a threaded axis protrude from a threaded circular protr... | 05/23/2006 |
| 7043845 | Trim attachment for portable circular saw The trim attachment for a portable circular saw is generally L-shaped, having a generally rectangular, planar, horizontal mounting plate and a perpendicular fence extending downward from a lengthwise side thereof. The perpendicular fence forms an insert portion ther... | 05/16/2006 |
| 6757981 | Universal rip guide for circular saw A handheld circular saw incorporating an improved rip guide is illustrated which guarantees accurate cuts in the ripping of sheet workpieces. The guide is precisely clamped to the upper surface of a foot assembly of the circular saw. A guide member is slidably movab... | 07/06/2004 |
| 6678960 | Undercut saw with central height adjustment An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) driving blade (50). Base (60), supporting cutting assembly (20) above a supp... | 01/20/2004 |
| 6588111 | Undercut saw with central height adjustment An undercut saw (10) having a central axis (11) generally comprises a cutting assembly (20) and a base (60). Cutting assembly (20) comprises case (30) housing electric motor (24) that drives shaft (40), upon which saw blade (50) is mounted. Base (60) supp... | 07/08/2003 |
| 6484410 | Guide for power tools A guide for guiding a power tool such as a circular saw has a planar deck, and two shoulders extending from opposed edges of the deck in diametrically opposite directions. The deck is provided with mounting fasteners for securely attaching the saw to the ... | 11/26/2002 |
| 6449852 | Casing and door jamb trimmer A casing and door jamb trimmer comprising a base, a fence, and an arbor which are attachable to a conventional air tool and saw blade. The invention is used to trim casings and door jambs in order to allow flooring to be laid so that it fits perfectly wit... | 09/17/2002 |
| 6438851 | Circular saw cutting aid The present invention comprises a circular saw aligning device which is not only easily releaseable but also entirely removeable from functioning engagement with either a specially made or prior art portable circular saw. An abutting assembly of the devic... | 08/27/2002 |
| 5901450 | Rip guide for a circular saw A rip guide for a circular saw. The circular saw includes a housing including a shoe plate for supporting the circular saw on a workpiece. The circular saw also includes a motor supported by the housing and a saw blade rotatably driven by the motor about ... | 05/11/1999 |
| 5815932 | Undercutter attachment An attachment for use with a high speed mini-grinder which helps persons laying tile to undercut baseboards and door trim adjacent to a tiled surface for insertion thereunder of the edge of each perimeter tile so as to eliminate grout lines which would ot... | 10/06/1998 |
| 5815931 | Cutting guide for controlling the direction and cut of a hand held power cutting tool A cutting guide to be removably attached to any one of a number of hand operated power cutting tools such as, for example, a circular saw for cutting a substantially planar workpiece. The cutting guide includes an L-shaped guide plate having first and sec... | 10/06/1998 |
| 5784789 | Rotary trim saw According to the present invention, a rotary trim saw includes a rotary drive shaft coupled to a source of rotary power, while a sleeve is disposed about the drive shaft. The drive shaft is arranged for rotation relative to the sleeve. Also, a rack is dis... | 07/28/1998 |
| 5651182 | Saw for cutting near barriers A saw assembly (10) for sawing portions of a floor (24) adjacent to a vertical wall (26) and below and overhang (28) including a blade driving subassembly (12) having housing (30) with a forward extending, low profile saw arm (52). The housing holds a tri... | 07/29/1997 |
| 5427007 | Device in guide-bar power saw for cleaving a log, and method for using the device A device in power saws of the type having a motor-supporting body (2) and a guide bar (4) connected thereto, comprising a guide device (5) cooperating with the guide bar and displaceable towards and away from the guide bar along at least one guide member ... | 06/27/1995 |
| 5305529 | Adapter for circular-type saw An adapter for use with a circular-type saw for controllably making incisions in a tubular member comprising a base having an elongated slot therein, means for attaching the base to the saw in such a manner that the slot receives a portion of the blade of... | 04/26/1994 |
| 5305729 | Method and apparatus for cutting wet concrete A concrete cutting saw is provided for the cutting of grooves in the surface of wet concrete. The concrete saw generally comprises a motor driven rotating cutting blade mounted on a support structure. The concrete saw is supported during cutting by wheels... | 04/26/1994 |
| 5279037 | Guide for a portable saw A guide for a portable saw having a work surface engaging plate which is formed primarily of a base and pin affixed to the work surface engaging plate, the pin being in line with the blade and engaging the kerf made by the blade to cause the blade to prod... | 01/18/1994 |
| 5090461 | Router attachment permitting cutting of dentil moulding A router attachment which is particularly useful for cutting decorative slots or grooves in wood and/or other materials, particularly those decorative cuts that are present in dentil moulding(s).... | 02/25/1992 |
| 5035061 | Guide for hand-held power tools This invention provides a guide for hand held power tools for use in cutting sheet material and the like, comprising a T-square having a straight edge adapted to abut the edge of sheet material and an arm extending normal thereto across the sheet material... | 07/30/1991 |
| 5020226 | Cast cutter and method An assembly and method for cutting through a cast of the type having flexible wrapping and a rigid outer shell. The assembly comprises a side plate having edges defining an elongate notch for receiving the cast, a cutting blade rotatably mounted on the si... | 06/04/1991 |
| 4942912 | Router attachment A router attachment which is particularly useful for cutting the slots to receive standard biscuits used in biscuit joinery.... | 07/24/1990 |
| 4903680 | Skid plate for concrete saw A removal skid plate for use on a saw for cutting wet concrete. The portion of the skid plate in contact with the concrete has a slot therein through which a rotating cutting blade extends to cut a groove in the concrete. At a leading, cutting edge of the... | 02/27/1990 |
| 4876793 | Jamb saw A portable power driven horizontally reciprocating saw for cutting door jambs or door casings having a saw blade secured to an assembly plate which is slideably receivable in a second assembly plate mounted in a horizontal plane for the horizontal recipro... | 10/31/1989 |
| 4858325 | Chain saw and guide The chain saw and guide assembly 10 includes two pairs of guide plates 14 and 15 mounted to the guide bar 12. The pairs of guide plates are spaced from each other and are used to engage guide surfaces (FIGS. 5, 6 and 8) as the center span of the saw chain... | 08/22/1989 |
| 4852257 | Skill saw rip guide A hand held circular saw rip guide that is attached to a planar base and includes a movable cross member that is disposed about the planar base. An cross member extension serves as a straight-edge to guide the skill saw in operation. An upper surface of t... | 08/01/1989 |
| 4761884 | Device for trimming to a net shape the edge of a metal skin A metal skin trimming device which cuts an edge of a first metal skin to a net shape that is complementary to the edge of a second metal skin that has been previously attached to a frame, such as the airframe of an aircraft fuselage. A guide carried by th... | 08/09/1988 |
