Assignee: S-B Power Tool Company

Location: Chicago, IL
No. of patents: 48

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Number	Title	Issue Date
6722047	Tool guard attachment for a rotary hand tool A tool guard attachment for a rotary hand tool of the type which has a housing with a nose portion from which an output shaft protrudes and which typically has a mechanism for holding tool bits or implements is disclosed. The tool guard attachment, which mounts to t...	04/20/2004
6713905	Electric-motor rotary power tool having a light source with a self-generating power supply A rotary power tool having a light source includes a housing, an electric motor provided in the housing and an elongated spindle engaged with and adapted to be rotatably driven by the motor. A rotatable holding assembly is attached to an end of the spindle and exten...	03/30/2004
6712368	Quick attachment release system for a rotary hand tool A quick release attachment tool where the rotary tool has a housing which encloses a motor with the housing having a central axis, a non-operational end portion and an operational end portion. A nose portion is formed at the operational end portion, and the nose por...	03/30/2004
6702530	Drill having recessed key and bit holder A recessed key and bit holder for detachably holding at least one drill part such as a drill bit and a chuck key having a chuck key handle and a chuck head, onto a handle base of a power tool. There is at least one recessed area disposed on an enlarged ha...	03/09/2004
6688004	Line-of-cut indicator for a cutting tool A line-of-cut indicator for use with a cutting tool including a pointer element that may be moved between an open position substantially in front of the footplate of the cutting tool and a closed position substantially behind the front of the footplate of...	02/10/2004
6573621	AC/DC power supply system for power tools A power supply for a power tool which is adapted to be powered by a battery source and an AC voltage source includes a battery module constructed and adapted to be removably coupled to the power tool. The battery module includes a battery pack for supplyi...	06/03/2003
6491483	Carving/planing attachment for a rotary hand tool An attachment adapted to be mounted to the nose piece of the rotary tool or to the outer end of a flexible drive extension is disclosed. The attachment encircles the collet and bit at the base end portion of the attachment and has an extension portion tha...	12/10/2002
6474378	Plunge router having electronic depth adjustment A plunge-type router is disclosed which has a base and a head assembly that is vertically adjustable by an adjusting mechanism. The plunge router includes an electronic control system with a digital display and control functionality that enables the route...	11/05/2002
6463824	Right angle attachment for power hand tool A right angle attachment configured to be attached to a small electrically powered rotary hand tool of the type that is used in woodworking, hobby work and other work. Being small, lightweight, relatively vibration free and quiet in operation, the attachm...	10/15/2002
6424112	Electric motor hand tool with digital input and control A speed control device particularly adapted for use with electrical motor-driven hand tools has digital operator input controls. A semiconductor switching device controls a percentage of ON time for the electric motor in the hand tool. Discrete and repeat...	07/23/2002
6380502	Detented slide switch mechanism A switch mechanism for an electrical slide switch that has a detenting or clicking action is disclosed. The switch mechanism provides such detenting action in a mechanism that has a switch lever that moves through an arcuate path of movement and provides ...	04/30/2002
6357125	Adjustable stroke mechanism for a scotch yoke assembly A scotch yoke mechanism for converting rotational movement into reciprocating linear movement and having an adjustable stroke length. The scotch yoke mechanism includes a stroke length toggle eccentrically connected to a cam such that the stroke length to...	03/19/2002
6295910	Clutch assembly for use with a circular saw A circular saw includes a clutch assembly to surround the rotating blade shaft of the saw. The blade shaft is rotated by a shaft having a gear at one end. The clutch assembly includes a clutch gear to engage with the rotating pinion. The clutch gear is he...	10/02/2001
6293176	Dual sliding rail and locking mechanism for use with a table saw A table saw has a frame, an upper surface and an auxiliary table and having a dual sliding rail mechanism so that the auxiliary table moves between a first position adjacent the upper surface and a second position separated from the upper surface. The dua...	09/25/2001
6292381	AC to DC power supply with supplemental energy storage An AC to DC power supply is disclosed which converts an AC input voltage to a DC output voltage and supplies the DC output voltage to power devices. The power supply includes a transformer for reducing a voltage level of the AC input voltage and an energy...	09/18/2001
6244796	Removable guide attachment apparatus A guide attachment apparatus for guiding a rotary hand tool of the type which includes an outer enclosure, a rotatable collet adapted to retain a bit adapted for removing grout from a work surface or other activity. The guide attachment apparatus includes...	06/12/2001
6243276	Power supply system for battery operated devices A power supply converts an AC input voltage to a DC output voltage and supplies the DC output voltage to power devices. The power supply includes a housing, a transformer provided in the housing for reducing a voltage level of the AC input voltage and a t...	06/05/2001
6234255	Adjustable stroke for a reciprocating saw An adjustable cutting stroke length is provided by a wobble plate mechanism. A wobble plate mechanism imparts reciprocating linear action to a working end of a reciprocating motorized tool. A drive source is included that has an axially rotatable main dri...	05/22/2001
6227549	Insulated chuck jaw A chuck jaw that is configured and arranged to be used in combination with other chuck jaws for securely retaining a rotatable accessory, such as a drill bit, in position in a chuck assembly, where the chuck jaw includes a chuck jaw body that defines a ge...	05/08/2001
6182935	Folding table for use with a table saw A folding table for use with a table saw. The folding table including an upper support surface to hold the table saw and a leg mechanism slidably connecting to the upper support surface through slots in the sides of the upper support surface. An actuator ...	02/06/2001
6184657	Battery charger having current increasing circuit A battery charger is adapted to increase a charge current applied to at least one battery from a predetermined supply voltage. The charger includes a supply voltage generating device coupled to an AC voltage source for generating the predetermined supply ...	02/06/2001
6173500	Sealing plug as part of a rubber boot A power tool has a housing that is surrounded in part by a rubber boot. The housing has an opening through which a fastener connects the housing a component of the housing. The boot has a plug portion formed on the inner surface that fits within the openi...	01/16/2001
6168881	Latch mechanism for a battery operated power tool A battery operated power tool having a power tool housing, a battery pack and a battery latch mechanism. The power tool housing has a recess and a latching surface formed into the outer surface of the housing. The battery pack holds battery cells to power...	01/02/2001
6133665	Brush system for electric motors A brush system for an electric motor is adapted to electrically connect a commutator with at least one field terminal of the motor. The system is provided in a housing of the motor and is accessible via an opening in the housing. In this system, at least ...	10/17/2000
6109157	Arbor locking mechanism An arbor lock mechanism for use with an arbor of a table saw. The mechanism includes a bearing plate connected to the frame of the table saw and through which the arbor rotates. The mechanism also includes an arbor lock plate connected to the bearing plat...	08/29/2000
6107762	Speed control device for electrical motor-driven apparatus A speed control device particularly adapted for use with electrical motor-driven apparatus, stationary tools and hand tools having digital operator input controls. A semiconductor switching device controls a percentage of ON time for the electric motor in...	08/22/2000
5923145	Controller for variable speed motor A controller controls the running speed of a variable speed motor of the type which runs at a speed related to the duty cycle of a pulse width modulated drive voltage applied to it and to the load being applied. The controller includes a setting switch fo...	07/13/1999
5913645	V-block mounting for fixed-base router with deflection limitation rib The fixed-base router includes a base assembly and a cylindrical motor housing. The base assembly has a tubular member defining a vertically disposed inner cylindrical surface with two longitudinally extending support ribs. The tubular member has a longit...	06/22/1999
5909987	Adjustable sub-base for fixed-base router A simple and quick manner for centering a sub-base of a fixed-base router. The sub-base is provided with two sets of peripheral holes and a large central opening. One set of holes is countersunk and receives flat-head screws; the other set of holes is cou...	06/08/1999
5853274	Vertical adjustment mechanism for fixed-base router The fixed-base router has an annular base member supporting a cylindrical base member. A cylindrical motor housing is telescopingly received within the cylindrical base member; the motor housing includes three vertically aligned notches. A vertically disp...	12/29/1998
5853273	Fixed-base router with V-block mounting The fixed-base router includes a base assembly and a cylindrical motor housing. The base assembly has a cylindrical member which is hollow defining a vertically disposed inner cylindrical surface with two axially extending ribs. The cylindrical member has...	12/29/1998
5832614	Remote lower guard lift lever mechanism for circular saws A circular saw including a lower bladeguard which is retractable by a remotely operated mechanism. This mechanism includes a lever which is pivotally mounted adjacent an auxiliary handle for the saw. The operator may retract the lower bladeguard by depres...	11/10/1998
5829931	Removable depth guide for rotary cutting tool A drywall cutting tool has a removable depth guide. The depth guide may be removed from and installed on the tool housing by rotating the guide relative to the tool. The use of a fastener or separate tool is not required. The depth guide may be adjusted f...	11/03/1998
5810367	Wrenchless holder for working tools The blade holder includes a mounting portion for attachment to the reciprocating plunger of a power saw. The blade holder also includes an integral exposed portion provided with a slot for receiving a substantial portion of the shank of the blade. The slo...	09/22/1998
5758425	Depth-of-cut mechanism for circular saw A circular saw has a housing enclosing a motor for driving an output shaft about an axis of rotation. An upper bladeguard is immovably secured to the housing and has a rear wall defining an arcuate slot. A rectangular base plate is pivotally attached at i...	06/02/1998
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
5670763	Dead front interlocked receptacle An actuator shaft has an external end mounting a handle adjacent the dead front receptacle and an internal end contained within the fixture housing. An actuator arm is mounted on the inner end of the actuator shaft. A spring urges the actuator shaft in a ...	09/23/1997
5648706	Electric brake for commutated motor A series motor for an appliance or tool, such as a circular saw, includes a regenerative braking circuit having brake windings in addition to the run windings. One of the brushholder assemblies includes a push-away feature for separating one of the brushe...	07/15/1997
5555626	Reciprocating drive mechanism The reciprocating saw has a motor driven assembly which operates in the nature of a wobble plate. One end of the assembly is connected to a spindle for reciprocating the same. The other end of the assembly is connected to a counterweight whereby the spind...	09/17/1996
5479711	Orbital and adjustable cant mechanism for reciprocating saws The housing of the reciprocating saw includes rectilinear guide bars mounting a drive block for reciprocating movement by the motor of the power tool. The drive block has a recess defining arcuate cam surfaces. A blade clamp has a cam follower engaging th...	01/02/1996

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Assignee: S-B Power Tool Company