Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 8099873 | Electric-powered cutting machine with blade holding mechanism An electric-powered cutting machine includes a reciprocable plunger held by and protruding outward from a housing; an operation member capable of being pivoted on the housing; and a blade holding mechanism disposed at a tip end portion of the plunger, the blade hold... | 01/24/2012 |
| 7793420 | Drive mechanism and power tool A drive mechanism for a power tool. The power tool includes a motor having a drive shaft and an output member adapted to support a tool element. The drive mechanism includes a drive assembly engaged with and driven by the drive shaft and a drive arm drivingly connec... | 09/14/2010 |
| 7707729 | Drive mechanism for a reciprocating tool A reciprocating tool comprising a drive shaft and a motor, a plunger for reciprocating motion, the plunger being driven by a wobble plate and pivotally supported in a front bushing and in a manner not prohibiting the plunger to rotate about a longitudinal axis of ro... | 05/04/2010 |
| 7363713 | Reciprocating power tool It is an object of the present invention to provide a useful technique for effectively reducing vibration in a reciprocating power tool with a simple structure. According to the present invention, a representative reciprocating power tool includes a motor, a tool bi... | 04/29/2008 |
| 7328514 | Power tool bearing arrangement The invention relates to a power tool with a reciprocating blade, such as a jigsaw, in which the blade can have linear and pendulum movement components imparted thereon and also to a blade holder assembly. There is provided a bearing for a holder member which allows... | 02/12/2008 |
| 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 |
| 7290343 | Reciprocating stroke bar bearing A motor-driven saw has a gearing housing (4), which has at least two housing parts (6, 8), a stroke bar (10), which in operation executes a stroke movement in the direction of a stroke axis (26), and a reciprocating movement generator ( | 11/06/2007 |
| 7225546 | Reciprocating power saw with secondary bearing element A reciprocating power saw, in particular a saber saw, with a housing (1), a motor-driven reciprocating stroke bar (2) that has a tool receptacle (3) at its free end, and a bearing means (4), which axially displaceably and pivotably bears ... | 06/05/2007 |
| 7216434 | Electric-powered cutting machine An electric-powered cutting machine includes: an electric motor, a housing for the electric motor; a plunger driven by the electric motor to reciprocate; and a blade holding mechanism. The blade holding mechanism holds a blade at a tip end portion of the plunger. Th... | 05/15/2007 |
| 7216433 | Saber saw tool The present invention relates to a reciprocating saw tool (10) having a motor drive (17) with a reciprocating driver (21) for a tool (15) and having a mass equilibrating body (22). In addition, a device (20) is provided, whi... | 05/15/2007 |
| 7204026 | Adjustable reciprocating saw An adjustable reciprocating saw has the ability to adjust the orientation of the saw blade in relation to the rest of the tool. The saw blade can pivot about two transverse axes, one parallel with and one perpendicular to the reciprocating motion axis of the saw bla... | 04/17/2007 |
| 7191847 | Drive for a motor-driven hand-held tool A drive for a motor-driven hand-held tool includes a motor (17) and a gear mechanism (20) for converting a rotational movement of the motor (17) into a reciprocating movement of the reciprocating drive element (30) for a working tool, wit... | 03/20/2007 |
| 7178244 | Powered utility knife A powered utility knife has a housing defining a handle surface and an internal cavity. A shuttle plate assembly disposed for movement relative to the internal cavity, with a first surface in sliding engagement with an interior wall of the cavity includes a motor mo... | 02/20/2007 |
| 7168169 | Anti-rotation drive mechanism for a reciprocating saw An anti-rotation reciprocating drive apparatus for a reciprocating saw utilizes a wobble plate assembly that includes a drive shaft and an elongated arm with an interface structure for engaging a spindle. The interface structure has two ball-type interfaces that are... | 01/30/2007 |
| 7152329 | Electric jigsaw capable of improved illumination of workpieces An electric jigsaw (1) includes a main housing (2) containing a gear housing (10), a reciprocating rod (11) vertically projecting from within the gear housing, a saw blade (13) coupled to the rod via a coupling ring (12), an... | 12/26/2006 |
| 7131206 | Jig saw with laser alignment system A jig saw for more precise movement during cutting with a laser alignment system for projecting a marker onto a workpiece to align with a target line to be cut. The laser alignment system comprises a housing, a laser generator within the housing, an internal battery... | 11/07/2006 |
| 7127973 | Reciprocating saw A reciprocating saw, including a housing, a spindle mounted for reciprocation relative to the housing, the spindle having an end adapted to receive a saw blade, the saw blade having a first orientation relative to the spindle to have a first cutting direction and a ... | 10/31/2006 |
| 7117601 | Counterbalance mechanism The present invention relates to a counterbalance mechanism for a reciprocating power tool in which a rocker cradle operatively connects or is coupled to a rocker arm driven by a rotary transmission mechanism to drive a counterweight in the opposite direction to tha... | 10/10/2006 |
| 7114259 | Reciprocating saw A reciprocating saw, comprises: a housing [13], a plunger [15], a driving gear [7], a link shaft [4], a pushing member [9], a lifting member [11], a front end portion of said link shaft [4] rotatablely connect with a ... | 10/03/2006 |
| 7111405 | Hand-operated jig-saw with saw blade guidance system A power scroll saw with a housing and a saw blade capable of being driven in a reciprocating manner, and with tongs-like guides that guide the saw blade in a laterally-supported manner is capable of being used in a variety of work applications due to the fact that t... | 09/26/2006 |
| 7096589 | Bearing for a reciprocating shaft of a reciprocating saw An adjustable reciprocating saw has the ability to adjust the orientation of the saw blade in relation to the rest of the tool. The saw blade can pivot about two transverse axes, one parallel with and one perpendicular to the reciprocating motion axis of the saw bla... | 08/29/2006 |
| 7096590 | Reciprocating saw A reciprocating saw including a housing, a motor supported by the housing, a spindle mounted for reciprocation relative to the housing and having a front end for supporting a saw blade, the spindle being movable through a cutting stroke and a return stroke, the cutt... | 08/29/2006 |
| 7047651 | Hand-held compass saw A power compass saw with a housing that accommodates a lifting rod for the up and down movement of a longitudinal saw blade attached thereto, has a toothed side and a saw blade back and with a guide roller which supports the saw blade back and has a central groove i... | 05/23/2006 |
| 7028784 | Motor-driven hand-held tool with functional step display A motor-driven hand-held tool includes a housing (4) having a switching recess (6) formed therein, an actuation member (8) displaceably arranged in the switching recess for shifting a functional unit between different functional steps, and and a... | 04/18/2006 |
| 7024779 | Power saw A power saw includes a body (36) housing a motor (24). The motor drives a reciprocal shaft (2) on which a blade (12) is mounted. The body is coupled to a pivotable sole plate (48,50) which is held relative to the body (36) i... | 04/11/2006 |
| 6925719 | Powered coping saw An elongate, cylindrical hand-held powered coping saw adapted for making thin cuts of short length, such as for cutting individual dies from a full arch dental model generally includes a blade assembly, a housing, a rotary motor having a drive shaft, a piston for dr... | 08/09/2005 |
| 6877751 | Insertable tool connector An insertable tool connector includes a drive body, a bushing, a locking plate, a restoring spring, a positioning ring, and a push ring. Thus, the insertable tool connector that can be used to connect the tools of different types, such as the saw blade, the screwdri... | 04/12/2005 |
| 6877234 | Manual saber saw machine A reciprocating hand saw with a housing has a motor, a gearbox with a lifting rod for moving a saw blade mounted thereon up and down, and a base plate on which the housing is mounted, capable of carrying particularly easy-to-handle spare saw blades by the fact that ... | 04/12/2005 |
| 6877235 | Cutting mechanism for a saber saw A counterweight is provided to cancel axial vibration of a plunger of a saber saw. Swing rollers, rotatably supported at both ends of a roller shaft provided at a rear end of the plunger, are interposed between a pair of opposing tracks formed in an axially elongate... | 04/12/2005 |
| 6829831 | Reciprocating saw with rocker motion A reciprocating saw. The saw including a housing, a spindle supported for reciprocation relative to the housing, the spindle having an end selectively supporting a saw blade, a motor for moving the end during a cutting stroke and a return stroke, and path defining s... | 12/14/2004 |
| RE38606 | Clutch mechanism for reciprocating saws A reciprocating saw including a housing, a spindle mounted for reciprocating motion within the housing, a gear rotatably mounted within the housing, a wobble shaft rotatably mounted within the housing, a wobble plate rotatably mounted on the wobble shaft and connect... | 10/05/2004 |
| 6772662 | Reciprocating saw A reciprocating saw including a housing, a motor supported by the housing, a spindle mounted for reciprocation relative to the housing and having a front end for supporting a saw blade, the spindle being movable through a cutting stroke and a return stroke, the cutt... | 08/10/2004 |
| 6758119 | Reciprocating saw with rocker motion A method of reciprocating a spindle of a reciprocating saw, including the steps of reciprocating the front end of the spindle along a first path during the cutting stroke and along the same first path during the return stroke, and adjusting the saw such that the fro... | 07/06/2004 |
| 6742267 | Reciprocating saw A reciprocating saw including a housing, a motor supported by the housing, a spindle mounted for reciprocation relative to the housing and having a front end for supporting a saw blade, the spindle being movable through a cutting stroke and a return stroke, the cutt... | 06/01/2004 |
| 6742266 | Miniature reciprocating saw device A small reciprocating saw device is provided which is adapted for one hand operation and which enables delicate sawing or filing work to be carried out. An eccentric drive arrangement includes a motor mounted in a housing at one end of the device and a slender drive... | 06/01/2004 |
| 6694625 | Power tool A power tool includes a handle (38) which allows the user to operate the tool via a trigger (44). The handle is arranged relative to the body (36) of the tool such that the user may operate the tool in a plurality of positions relative to a workpiece. The... | 02/24/2004 |
| 6662455 | Cutting mechanism for a saber saw Two different eccentric shaft portions are formed on a secondary shaft. A contact plate has two different contact portions which are selectively brought into contact with two eccentric shaft portions of the secondary shaft. The contact plate is attached t... | 12/16/2003 |
| 6658745 | Pneumatic power cutting tool A pneumatic power cutting tool is constructed to include an eccentric shaft, the eccentric transmission shaft having a first eccentric shaft and a second eccentric shaft eccentrically forwardly extended from the first eccentric shaft and adapted for recip... | 12/09/2003 |
| 6634107 | Cutting mechanism for a saber saw A counterweight is provided to cancel axial vibration of a plunger of a saber saw. Swing rollers, rotatably supported at both ends of a roller shaft provided at a rear end of the plunger, interpose between a pair of opposing tracks formed in an axially el... | 10/21/2003 |
| 6625892 | Reciprocating cutting tools A reciprocating cutting tool (1, 50) includes a slider (14, 51) that reciprocates linearly in a first direction. A rod or blade holder shaft (21) is movable with the slider (14, 51) in the first direction and is supported by the slider (14, 51) such that ... | 09/30/2003 |