Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7416478 | Planetary drive heads for grinding/polishing pads A planetary drive head for treating floors having a hub that rotates in one direction and attached media gears that rotate in the opposite direction. ... | 08/26/2008 |
| 7261623 | Wood floor sanding machine A power sanding machine (10) has three circumferentially spaced cogged belts (40) to drive three discs (52) rotatably mounted to an inner bowl (30) which is rotatably mounted to a housing (12), which in turn is connected to an oper... | 08/28/2007 |
| 7247085 | Combination edger and grinder for floors A combined floor edger and grinder having a grinding disk which can be adjusted from engaging the floor while flat to engaging the floor along a front, back or side edge of the disk, depending on the height adjustment of the wheels on either side of the frame. The w... | 07/24/2007 |
| 7226348 | Air sander grinder An improved structure of an air sander grinder with air chamber mounting and eccentric mounting, and the cylinder air chamber mounting is placed inside the air sander grinder, and an air chamber is placed in the center of the air chamber mounting the sides of which ... | 06/05/2007 |
| 7155768 | Electric-motored floor-surface polisher An electric-motored floor-surface polisher includes a pair of pads juxtaposed in the front and rear or lateral direction of an apparatus frame, each pad being slidably supported to the apparatus frame. A drive pulley coupled to an output shaft of an electric motor t... | 01/02/2007 |
| 7056199 | Connecting foot for orbital movement machines for machining surfaces, in particular orbital sanders, and orbital sanding machine using the said foot The present discovery refers to a connecting foot for a machine constituted by a central cylinder of hard plastic material, possibly fitted with a hole, coaxial to said central cylinder, and by an external coating of rubber. Said rubber also fills the hole forming a... | 06/06/2006 |
| 7018280 | Sanding apparatus A belt sander (2) comprising a housing (4) and having a lower sanding surface (40) and an upper sanding surface (42) opposite the first sanding is disclosed. The sander has a larger rear roller (32) driven by a motor (22), a... | 03/28/2006 |
| 6935936 | Abrading mechanisms Hand held abrading tools are disclosed. The abrading tools include clamping mechanisms to quickly and reliably secure sanding paper, bristled sheets, polishing cloths, and the like, to the tool, while at the same time providing the operator with increased agility an... | 08/30/2005 |
| 6866570 | Variable speed reciprocating linear sliding dual floor sander A non-rotary, linear reciprocating floor sander includes a housing having a bottom opening, wherein a rotating electric motor is supported by the housing. A vertical output shaft extends within the housing and engages gears controlling a pair of flat platens enclose... | 03/15/2005 |
| 6739957 | Apparatus for reciprocally powering one or more working tools A surface abrader apparatus includes a casing, a motor mounted on the casing, one or more working tools, and an operating mechanism mounted to the casing and supporting the working tools outside of the casing. The operating mechanism is drivingly coupled to the moto... | 05/25/2004 |
| 6663467 | Process and composition for abrading pre-finished surfaces An abrading composition and a process for abrading factory pre-finished surface coverings, wherein the abrading composition comprises an effective amount of wear-resistant particles, a rheology modifier, and a solvent. This invention further relates to a ... | 12/16/2003 |
| 6659851 | Fastening device for polishing paper cloth A fastening device for a polishing paper cloth of a portable polishing machine. The device comprises an attaching portion which can be detachably attached to a base plate of the polishing machine and a fastening device main body for winding the polishing ... | 12/09/2003 |
| 6494773 | Border planing machine for wood floors A border planing machine for wood floors comprising a footing provided with wheels and a handle, a structure which is hinged to the footing so as to rotate about a longitudinal axis and adapted to support abrasive disks on either side with respect to the ... | 12/17/2002 |
| 6468141 | Drywall sander A drywall sander comprises a handle, a sanding head adapted to being reciprocated for back and forth motion, a moving coil actuator associated with the sanding head for reciprocating the sanding head, and a universal joint for connecting the handle to the... | 10/22/2002 |
| 6231432 | Floor treatment machine with torque limiter A floor treatment machine with a torque limiter assembly between a rotating drive linkage and a rotating head for treating a floor surface. The torque limiter assembly includes engaged plates that disengage upon the application of a predetermined torque c... | 05/15/2001 |
| 6132299 | Linear sander A linear sanding apparatus, for providing a linear reciprocating sanding action, and having a support assembly, a drive shaft, and having a angled drive plate on the shaft, and a motor for rotating the shaft, two transmission devices coupled to the drive ... | 10/17/2000 |
| 6116995 | Drill bit sharpening apparatus An object of the present invention is to provide an apparatus which is suitable for sharpening the drill bits of both the power drill and hand drill. Additionally, the operation of said apparatus is simple, and the sharpening is accurate.... | 09/12/2000 |
| 6039639 | Motor driven hand tool with improved elastic supporting members connecting an oscillating work tool carrier with the tool housing A motor driven hand tool has an oscillatory work tool carrier (10) that is attached by means of elastic supporting members (11 to 14) to the housing. Each elastic supporting member (11 to 14) includes a one-piece plastic part consisting of approximately r... | 03/21/2000 |
| 6007414 | Polishing machine A polishing machine consists of a housing to which a handle is fastened pivotally. A motor is mounted in the interior of the housing such that an output end of the motor is fastened with a linking mechanism. Two reciprocating members are fastened pivotall... | 12/28/1999 |
| 6004194 | Electric hand-operated grinder In a hand-held electrical grinder with a tool holder (22) driven by a rotating eccentric plug (20) which, for receiving a grinding tool has a quick-action locking device (24) with locking elements (40, 41) fixed on the tool and tool holder sides and corre... | 12/21/1999 |
| 5904612 | Surface treating device A surface treating device includes a tubular blasting case member having a main open face and a sub-open face. A suction-adhering seal engages the blasting case to seal a space defined between the blasting case and the surface of the object being treated.... | 05/18/1999 |
| 5833014 | Reciprocating tool handle About a rigid longitudinal extension a sleeve is frictionally suspended such that the extension may reciprocate freely within the sleeve while remaining relatively stationary longitudinally. The rear end of the extension is attachable to a reciprocating p... | 11/10/1998 |
| 5807169 | Oscillating hand tool The invention provides a braking system for a powered oscillating hand tool which tool comprises (i) a housing; (ii) a drive unit (2) having an electric motor (4) and a drive shaft (8); (iii) a bearing (28) mounted on the drive shaft (8) and located radia... | 09/15/1998 |
| 5749770 | Method and apparatus for sanding a plurality of work-pieces having respective surfaces of varying contours The present invention provides a new and improved sanding apparatus which includes a flexible tubular member having an outer abrasive surface and a plurality of contour members adapted to be received one-at-a-time within the tubular member. The invention ... | 05/12/1998 |
| 5716263 | Device for cleaning, polishing or sanding A device for cleaning, polishing or sanding having a treatment head that linearly reciprocates a pad or brush with a purely translational motion. The treatment head has a driven shaft with a crank at a free end connected through a link to a sliding block.... | 02/10/1998 |
| 5681213 | Sanding tool A sanding tool for grinding a workpiece to be worked has a housing in which an electric motor is accommodated and a grinding assembly operatively connected to an output shaft of the electric motor to be swingable to perform a grinding operation, and the g... | 10/28/1997 |
| 5658193 | Reciprocating hand tool with multiple attachments A hand tool for performing an axially reciprocating operation on a workpiece includes a rigid drive member having a longitudinal axis and a coupling formation for releasably securing one of a plurality of task-specific attachments, the coupling formation ... | 08/19/1997 |
| 5637034 | Detail sander An oscillating tool for sanding a surface has a body (12) defining an internal cavity (14) and a motor (20) located therein The motor has a motor shaft (22) oriented in parallel with the body. A crank (24) is affixed to the motor which has a crank pin (26... | 06/10/1997 |
| 5511271 | Vibration type floor sweeper A vibration type floor sweeper comprising a mounting frame; a motor mounted on the mounting frame; at least two movable supporting points; and a pad or brush having an overall square-shaped configuration movably mounted on a bottom surface of the mounting... | 04/30/1996 |
| 5494476 | Protective guard for board file A protective guard for use on a pneumatic tool known as a board file which includes a handle assembly and a board assembly that reciprocates back and forth relative to the handle assembly. The board assembly is held together by a nut and bolt located near... | 02/27/1996 |
| 5345724 | Sanding device for V-shaped slats An improved sanding device is provided for various work surfaces which consists of an elongate wedge. Abrasive material is applied to work contact sides of the wedge. A mechanism is attached to a back end of the wedge, for vibrating the wedge with the abr... | 09/13/1994 |
| 5341536 | Scrubbing device A scrubbing device attachable to rotary power sources comprising a stationary portion, a drive portion, an oscillating portion, and an abrasive portion. Rotary power applied to the drive portion causes the oscillating portion to oscillate linearly allowin... | 08/30/1994 |
| 5205079 | Powered tool "A hand held and operated, portable, wand type wall sanding machine, powered by a motor. The motor powers a drive chain which produces a reciprocating action that is transmitted to a sanding (work) head located at the apex of said wand. The wand is adjust... | 04/27/1993 |
| 5001869 | Reciprocating abrading or polishing tool with balancing counterweights A portable abrading or polishing tool including a body containing a cylinder chamber, a piston reciprocable within the cylinder chamber, a shoe which is reciprocated relative to the body by the piston but oppositely from the piston, and at least one count... | 03/26/1991 |
| 4878317 | Power sander A power sander includes a motor and a drive shaft extending from the motor. Eccentric drives are attached to the drive shaft to drive reciprocable shafts that extend outwardly from the drive shaft in opposed directions. Sander pads are mounted to reciproc... | 11/07/1989 |
| 4686797 | Straight-line rubbing machine with thrust transmitting members A rubbing machine of the type in which a support is spaced from and overlies a rubbing shoe and in which the rubbing shoe is connected to the support by a drive mechanism operable to reciprocate the shoe. The rubbing shoe is rectangular in shape with the ... | 08/18/1987 |
| 4527360 | Actuator for in-line sander An in-line sander for hand held operation and having a housing in which a rotating electric motor drives a drive shaft to rotate on a first axis, with a second axis of the drive shaft canted to the first axis and supporting a bearing thereon. A bearing ho... | 07/09/1985 |
| 4478010 | In-line sander An in-line sander for hand held operation and having a housing in which a rotating electric motor drives a drive shaft to rotate on a first axis, with a second axis of the drive shaft canted to the first axis and supporting a bearing thereon. A wobble hou... | 10/23/1984 |
| 4475316 | Platen attachment for in-line sander An in-line sander for hand held operation and having a housing in which a rotating electric motor drives a drive shaft to rotate on a first axis, with a second axis of the drive shaft canted to the first axis and supporting a bearing thereon. A wobble hou... | 10/09/1984 |
| 4397120 | Suspension system for an abrading tool A turbine-driven sander includes a nozzle, turbine chamber, and a valve chamber. A flap valve mounted in the valve chamber opens the turbine chamber to a source of vacuum, thereby driving a turbine rotatably mounted in the turbine chamber. This rotation i... | 08/09/1983 |
