Abstract: A new plant variety of freesia with early flowering response suitable for growing as a cut flower.

Abstract: The cultivar is characterized by the blushed salmon-pink bloom over medium green zoned foliage. Its quick rooting time and continuous flowering provides for superb cuttings and for quick recovery of the bloom following wet weather conditions. The cultivar performs extremely well outdoors, and an abundant amount of cuttings may be obtained from a single plant.

Abstract: The cultivar is characterized by the light pink bloom with dark pink eye over very dark green foliage. Its quick rooting time and continuous flowering provides for superb cuttings and for quick recovery of the bloom following wet weather conditions. The blooms are very heat tolerant, and an abundant amount of cuttings may be obtained from a single plant.

Abstract: The cultivar is characterized by its very dark green foliage and clean, rich pink bloom with prominent magenta eye. Its relatively strong growth habit, quick rooting time and continuous flowering provide for superb cuttings and also for quick recovery following wet weather conditions. Bubble Gum is very heat tolerant, and its blooms are slow to shatter and exhibit good post-harvest quality.

Abstract: A new and distinct cultivar of Geranium plant named `Bressingham's Delight`, characterized by its dark pink flowers, profuse flowering, vigorous yet relatively low growth habit, and its long flowering period beginning in mid-April and continuing into late October.

Abstract: A Begonia plant named `Betulia` particularly characterized by continuous flowering throughout the year, semi-double to double-type flowers with many red colored flowers, excellent branching habit, compact and round growth habit, dark foliage and outstanding deeping quality through the winter.

Abstract: A Begonia plant named `Bellona` particularly characterized by flowering throughout the year, double-flowering with many rows of petals, bright and rich orange-red flower color, very good branching habit, strong and thick stalks, compact habit, dark foliage and outstanding keeping quality through the winter.

Abstract: A thermally insulated cup or container (30) includes a smooth outer shell (12S), a smooth inner shell (13S), a corrugated layer (11L) sandwiched therebetween, and a bottom closure (14). The inner shell, corrugated layer, and outer shell are formed by simply winding a continuous elongated paper sheet (10) in a three-layered spiral, then sealing them together. The corrugated layer forms many air pockets between the shells to thermally insulate the contents of the cup, and also provide structural strength. The paper construction of the cup makes it biodegradable and recyclable, and the simple construction method of the cup makes it easy and inexpensive to manufacture.

Abstract: A Pitot static tube cover made out of a rigid material skeleton covered with a ceramic braid. A cross-bar with holes is provided so that the Pitot static tube cover may be mounted or dismounted by a pole from the ground.

Abstract: A system is provided wherein an IC memory card (10, FIG. 2) is inserted into a slot (12) of an electronic device (14), which discharges any static electric charge on the card. The card includes a frame that comprises a body having opposite side beams and top and bottom conductive covers mounted on the side beams, to enclose a circuit board. The circuit board has a ground plane, and a first of the side beams has an electrically conductive surface portion directly engaged with a peripheral portion of the ground plane and with one of the covers, to connect the cover to the side beam conductive portion. The body can be constructed of molded electrically conductive material.

Abstract: An impact-resistant garment comprises closed rings (2) joined together to form a layer (1) protecting against impacts inside the garment. Elongate filling elements (3) of limited flexibility are threaded through the rings (2) to prevent the penetration of spike-shaped objects through the rings (2).

Abstract: A flexible body armor which is relatively lightweight and capable of biaxial flexure is disclosed. The flexible body armor employs a novel penetration-resistant hinge for joining adjacent armor plates along one axis and uses sliding overlaps between the same adjacent armor plates along the perpendicular axis in order to achieve biaxial flexibility. Also disclosed are several embodiments of the penetration-resistant hinge and the sliding overlap. In a preferred body armor in accordance with the invention the penetration-resistant hinges and sliding overlaps are part of a frame which provides edge confinement to ceramic armor plates used in the body armor.

Abstract: An air isolation hand covering has a bladder consisting of a plurality of interconnected or independent inflation cells that is positioned between the hand and a hand-held tool or other vibrating object. The cells are oriented to permit easy bending of the hand covering in directions appropriate for grasping an object. The effectiveness of the bladder in reducing the vibration energy transmitted to the hand is a function of the shape and configuration of the bladder, the pressure in the bladder, the compressible fluid used, the volume of the bladder, and the grip force and push force used when clasping a tool or other object. The bladder can be filled with air or other fluid during the fabrication of the bladder or it can be inflated or deflated with a small pump and integral air valve connected to one of the air cavities.

Abstract: A jacket is provided made with a conventional continuous folded collar and lapel and having a zipper for attaching an interchangeable collar and lapel member with the conventional collar and lapel providing support. and shape for the interchangeable member and at least a portion of the conventional collar and lapel is outwardly visible when the interchangeable member is attached.

Abstract: A golf training glove for emitting distinctive physically perceivable signals in response to a failure of a golfer to maintain a correct grip about a golf club during a golf swing. The basic glove is similar to a conventional golf glove with a hand access opening and plural finger stalls. A sensor is located in a region corresponding to the back of a golfer's thumb and/or in a region corresponding to an area around the intersection of the palm, and the middle, ring and little fingers. A physically perceivable signal is generated by an electrical device if one of said sensors senses an absence of pressure thereagainst. The signal is preferably an audible signal, having different characteristics for each sensor. Typically the sensors are pressure sensitive, capacitive or proximity switches. The electronic and signaling components are housed in a pocket on the back of the glove.

Abstract: A head wear system including a sizing band and a hat. The sizing band is distinct from the hat. The hat comprises a bill and a cap having an opening at the back as well as a headband. The head wear system also includes a first and second adjustment means for selectively nondestructively attaching each end of the sizing band to the hat in a longitudinal relationship therebetween selected by the wearer. When the sizing band is attached to the hat by the first and second adjusting means, the sizing band extends across the opening of the cap. The head wear system also comprises an ornament, a cover means for accessorizing the hat, and an attachment means for selectively nondestructively connecting the cover means and ornament to the crown of the cap. One embodiment of the sizing band functions as a skin stencil and comprises a substrate transparent to ultraviolet radiation and a design opaque to ultraviolet radiation that is attached to the substrate.

Abstract: A pleated skirt suitable for cheerleading is disclosed which provides for active movement of the wearer, and desirable movement and visual effects of the skirt during wearing. Preferably, the skirt is constructed of a skirt body and at least two panels which are each attached only partially along their length to adjoining panels. The sections of the panels which are nonattached result in overlapping pleated flaps. Different colors can be used for each side of the overlapping pleated flaps and the alternate color is partially visible when the skirt is worn for increased visual variety.

Abstract: A forward lean sock, that is particularly suited to snowboarding is provided. The snowboarding sock includes a woven sock body having a leg section and a foot section joined by a heel and front arch. The heel includes a Y-heel construction that provide an enhanced pouch of material at the heel to remove tension at the opposing front arch so that bunching is minimized in a forward lean position. The toe section can include reduced padding or a flat weave with no padding to provide more freedom of toe movement for the wearer.

Abstract: A repair patch for worn or damaged garment pockets in accordance with this invention comprises a pocket-like member corresponding substantially in size and configuration to the lowermost portion of a pocket to be repaired. Substantially the entire outer surfaces of the repair patch contains a heat sensitive glue capable of being activated at such time as the patch has been inserted into the lowermost portion of the pocket to be repaired. The heat sensitive glue, when activated by heat and pressure applied from the exterior of the pocket, serves to retain the patch securely in position within the lowermost portion of the pocket. Significantly, the patch has an interiorly-turned seam, which seam is reinforced by the glue that had been applied to the exterior surfaces of the patch. The glue-reinforced seam is disposed along an interior outer edge of the patch, such positioning of the seam having been achieved by turning the patch inside out after the seam had been created.

Abstract: An article of headwear (10) includes a solid transparent fully carbonate block (18). The block lies on top of the wearer's head and defines a non-straight light path to the wearer's eyes. The block does not obscure the majority of the normal field of vision for the wearer but can be seen when the wearer looks upwards. The upper surfaces 24 of the block allow internal reflection of light through the block and the rear end of the block is open and faces backwards so that by looking upwardly into the block a wearer can obtain a view of what is behind him. The article of headwear may be a motorcycle helmet for example. In another embodiment of the invention a display screen is located at the rear of the block so that it can be seen through the block when the wearer looks upwardly into the block.

Abstract: A face gasket made of a smooth, non-tacky, low durometer, chemically resistant closed cell resin foam is attached onto a goggles frame by injecting the resin into a mold cavity containing a contoured rim portion of the goggles frame. The contoured rim portion is intersected by multiple sprue openings that permit the pressurized resin to flow through the goggles frame and around the contoured rim during molding. The contoured rim portion is embedded within the molded gasket and sprue slugs extend through and fill the openings. The sprue slugs are integrally formed with the main body of the face gasket, thereby defining attachment links that permanently connect the face gasket in splash sealing engagement around the contoured rim and along internal and external sidewall surfaces of the goggles frame.

Abstract: A headband (16) with lens piece (18) to be worn as a pair of eyeglasses is disclosed. Incorporated within the headband (16) are a pair of cutouts (24) and a retainer pocket (20) for insertion and retention of a lens piece (18). Lens piece (18) comprises a pair of eyeglasses with temple pieces (54) removed. A fabric section (30) with a pair of cutouts (24) is attached to the bottom edge of the headband (16) forming the retainer pocket (20). The section (30) is folded up and attached to the inner surface of the headband (16) with a two-part releasably cooperating fastener (22). Upon insertion of the lens piece (18), the cutouts (24) on the bottom edges of the headband (16) and fabric section (30) allow the lens piece (18) to pass through. When the retainer pocket (20) is closed the lens piece (18) is securely in position. The headband (16) encircles the head (14) of the wearer and fastens adjustably with releasably cooperating fastener (22).

Abstract: A flushing control system for prisons and the like includes a fixture and a source of water. A solenoid operated valve is interposed between the fixture and the source for regulating the flow of water to the fixture. A capacitance sensor is operably associated with the fixture for requesting operation of the valve. A control mechanism is operably associated with the capacitance sensor and with the valve for causing operation of the valve to be delayed for a selected period after the sensor has been operated and for limiting the number of operations of said valve per unit time.

Abstract: A flush lever assembly for use in a toilet having a main body, a seat, a closure lid movable between a first position in which the seat is covered and a second position in which the seat is not covered, and a drainage mechanism, comprises: a bolt for engaging the main body; and a flush lever having a flush arm portion and an insertion portion to be inserted into the bolt to lockingly engage the flush lever to the drainage mechanism. When the flush lever is engaged with the drainage mechanism, a flushing cycle of the toilet is initiated by a motion of the flush arm portion, and the flush arm portion is situated such that access to the flush arm portion is prohibited by the closure lid in the second position and permitted by the closure lid in the first position.

Abstract: A humidifier for use in a sauna stove includes a high vessel open at the top, forming storage for water to be vaporized. The humidifier is placed in the stone space, or similar heating space, of the sauna stove. When in use, the heat from the heat source vaporizes the water in the vessel, to spread steam to the sauna room. The humidifier includes at least one cup placed on top of the high vessel, in which there is a channel to lead the steam from the lower vessel through the cup to the sauna room.

Abstract: An apparatus for use with a conventional bathtub shower curtain which prevents the curtain from being drawn into the shower enclosure when the shower is in use. The apparatus has a plurality of semi-rigid ribs which are vertically oriented and connected to the shower curtain rod. The lower end of the ribs are secured to the tub and the outer surface of the curtain is secured to the ribs thus preventing the curtain from moving inward. By securing the ribs so that they bow outward the shower enclosure can be enlarged.

Abstract: A new Bathtub Safety Guard for preventing a child from accessing or contacting the spigot or water control knobs provided in a bathtub. The device includes a first gate section and a second gate section slidably attached to the first gate section, wherein the first and second gate sections each have an upper portion and a lower portion whereby the effective combined width of the first arid second gate sections can be varied such that the lower portions fit within the width of a bathtub. The upper portions of the first and second gate sections extend over the sides of the bathtub. The upper portion of the first gate section abuts an enclosure wall provided on the back side of the bathtub. A plurality of suction cups are provided on the edges of the first and second gate sections for releasably attaching the first and second gate sections to the bathtub and the enclosure wall.

Abstract: A protection apparatus for protecting elderly individuals that fall in a bathtub and hit their head on the edge thereof, as well as hospital patients who may cause damage to themselves by striking the restraining bars placed on a bed includes a longitudinally extending internal member adapted to be draped over a hard relatively narrow edge such as a bathtub; a first protective material covering the internal member top and bottom surfaces, a second protective covering completely covering the first protective covering and being completely sealed around the edges. The first protective covering is padded or sponge-like and will soften a blow protecting an individual who may fall thereagainst.

Abstract: An extendible drain closure device has a plurality of telescoped hollow tubular members. The outermost hollow tubular member is a main body which has a base portion sized to seat down into a drain opening and an upper flange having a recessed portion. The main body is sized such that the upper flange is flush with the top of the drain opening. Multiple hollow tubular members are positioned within the main body in a telescopically operative manner with the innermost hollow tubular member having a stop ring which seats into the recessed portion of the flange. The top of the extendible drain closure device is thus flush with the top of the drain opening when the device is in a telescopically retracted position. A handle, which can be hinged so that it lies flat when not in use, is provided on the stop ring which may grasped and pulled upwardly to deploy the extendible drain closure device in a telescopically extended position.

Abstract: A movable headboard for beds, easy chairs and the like has at least one fixed bottom vertical surface joined to the base of the bed and at least one movable top surface hinging on the fixed bottom surface by means of a hinging device so as to be brought from a vertical position which is substantially coplanar with the bottom surface into a position in which the top surface is advanced and inclined with respect to the fixed surface.

Abstract: A bed with movable bedposts mainly including a bed plank which cooperates with two sliding rails, two sliding rail bearings with extended plates, two steel cords, a fixing member, and a motor and transmission gears and chain to move two bedposts relative to the bed plank to either a receded position or a normal position. Different kinds of frills or curtains round a canopy frame on the bedposts can be folded or extended along with the movable bedposts to give different sights in a room.

Abstract: A bed includes a base frame, a deck coupled to the base frame for supporting a body, a peer-to-peer communication network having a plurality of connection points, and a plurality of modules. Each module is electrically coupled to a selected connection point of the peer-to-peer communication network. Each module is configured to perform a dedicated function during operation of the bed, and each module is configured to communicate over the peer-to-peer communication network with selected other modules.

Abstract: An apparatus for image diagnosis including an arm rest device having support surfaces for supporting a patient's upheld arms without the use of grasping handles during image diagnosis while the patient is placed in a supine position. The apparatus includes a table on which the patient can be placed, a table support for supporting the table, a detector device for detecting radiation emitted from a radiation source passing through the patient in order to reconstruct cross sectional images of the patient, a gantry for carrying the detector to an investigating position, and the arm rest device. The arm rest device includes a U-shaped base member which has a fixing guide for mounting the arm rest device on the table support and a pair of arm rest pad members which are adjustably placed in the U-shaped base member at appropriate positions for supporting the patient's upheld arms.

Abstract: A patient support fashioned of a core of carbon-fiber material and a synthetic material for binding the carbon-fiber material. The carbon-fiber core has a greater proportion of carbon fibers oriented substantially in lengthwise directions than in other directions. As a result of this construction, the patient support is substantially inflexible along its longitudinal axis yet flexible along its lateral axis. The sides of the support can be drawn up and around the patient, to hold the patient immobile within the support, which is especially helpful when transporting trauma patients and those with back and neck injuries. The support is also transparent to radiation, making it particularly suited to use with radiation imaging devices. Finally, the exterior surface of the support is formed of low-friction material, further facilitating practical use thereof. The support can be fashioned as a backboard or a patient transfer device and has a wide range of advantageous applications in a hospital environment.

Abstract: An adjustable contour pillow provides for the manual or powered inflation of the chamber or chambers therein, as well as other alternative features such as heat, massage, and/or cooling, and is particularly valuable to persons suffering from neck strain. In one embodiment, the pillow includes three separate laterally disposed elongate fluid chambers, each having a coplanar lower wall. The central chamber has a center and an upper wall which is lower than the centers and upper walls of the other two chambers, thus defining an elongate valley extending from one end to the other of the pillow. The valley serves to cradle the back of the head, with the uppermost chamber (relative to the user) cradling the upper back of the head and the lowermost chamber supporting the back of the neck of a supine person. The selective and independent inflation of the different chambers may be accomplished manually, or by an automated powered pump arrangement.

Abstract: A bed elevating apparatus for use between a mattress and a box spring that is supported by a bed frame or is insertable within the mattress. The bed elevating apparatus is made of foam or rubber and has opposite spaced apart first and second ends. The first end has a first height and the second end has a second height with the first height being greater than the second height. The bed elevating apparatus also has a top surface that extends substantially in a single angularly extending plane with respect to the ground surface. The supported mattress and the mattress having the bed elevating device inserted inside the mattress have spaced apart mattress first and second ends whereby the mattress first end is elevated above the mattress second end in a single angularly extending plane with respect to the ground surface.

Abstract: An exchange power hand tool includes a power section having a motor encased in a housing and two tool sections, respectively serving as a wrench and a jack actuator, alternately and exchangeably engageable with the power section to be driven thereby so as to provide one power hand tool with two functions. The power section has an output pinion mounted on the motor spindle to be engageable by a driving gear chain of the tool sections for transmission of torque from the power section to the tool section for selectively performing wrenching operation or jack actuation.

Abstract: A process for treating natural cellulose fibers, in particular cotton fibers, comprising the stages of depositing the fibers on a continuously moving wire to form a lap evincing a specific surface weight of 100 to 800 g/m.sup.2, impregnation with a treating solution, treatment, and rinsing using an aqueous liquid, characterized in that rinsing is carried out by applying the liquid in the form of jets directed at one side of the lap perpendicularly to its direction of advance at an energy between 2 and 60 kwh/ton of treated product. The rinsing station (100) comprises at least one needle injector (105, 115) situated across the lap and applying highly pressurized water jets to its surface. The liquid is sucked in through a transverse slot communicating with a suction box (110, 125).

Abstract: A pier and beam bridge structure is formed essentially entirely from steel reinforced, precast concrete elements including elongated, hollow tubular pier members, pier collars, pier base and cap beams, deck beams, deck slabs and side railing members. In forming the support pier structures, the pier members are inserted into dry-drilled pier base excavations through opposite end openings formed in the ground-supported base beams, and are outwardly circumscribed by the collars which are received at their opposite ends in the base beam end openings and openings in the cap beams which are supported at the upper pier ends. A loose aggregate material is dumped into the pier member interiors, and the annular collar and excavation spaces surrounding the pier members. Polymer concrete is then forced downwardly through the pier member interiors, and upwardly through these annular spaces, and cures in a matter of minutes to complete the fabrication of each pier structure.

Abstract: This invention concerns a handle controlled article collector for collecting articles on a floor surface. The invention comprises a rigid elongated floor engaging head having a first end and a second end. The floor engaging head is further defined by a bottom plate, a concave front surface portion, and a pair of shoulder members overlying the bottom plate and integrally connected therewith. The shoulder members are separated by a completely slotted center portion located substantially midway between the first and second ends of the floor engaging head. Each shoulder member extends away from the slotted center portion in an opposite direction. The slotted center portion has a bottom portion. A pin has a first end and a second end. A handle member has a front end. The front end of the handle member is pivotally mounted in spaced relation above the bottom portion of the slotted center portion in the slotted center portion by the pin.

Abstract: A sanitary brush cover system (10) for breathably isolating the bristled portion (2) of a brush (1) from contaminant particles and organisms is provided. The sanitary brush cover system (10) comprises a shroud member (20) which substantially enshrouds the bristled portion (2) of a given brush (1). The shroud member (20) includes a flexible body portion (25) formed of an air-permeable composition which is substantially impermeable to the contaminant atmospheric particles and organisms from which the bristled portion (2) is to be protected. The shroud member (20) also includes an inlet portion (30) through which bristled portion (2) of brush (1) is received. The shroud member (20) has coupled thereto adjacent the inlet portion (30) a closure mechanism (40) for selectively closing and opening the inlet portion (30) to, thereby, substantially enclose the bristled portion (2) therewithin. In one embodiment, the air-permeable composition is a fibrous fabric typically employed in forming surgical masks.

Abstract: A dental hygiene wipe for cleaning exterior surfaces and interproximal areas of teeth. The inventive device includes a flexible base substrate having an abrasive cleaning pad coupled to the base substrate. The abrasive cleaning pad includes a plurality of quarter-spherical projections which can be used to effect cleaning and polishing of tooth enamel. The abrasive cleaning pad is preferably comprised of a porous material which can be impregnated with a dentifrice, mouth wash, or other moist substance.

Abstract: A golf towel is attached and detached to a golf bag with a male connector on the bag. The golf towel has a towel body with a snap therein near a corner of the towel. The snap has a cap and a female connector which is adapted to be coupled to the male connector on the golf bag. There is a reinforcing member formed into a loop which facilitates removal of the towel from the golf bag. The towel body and the ends of the reinforcing member are disposed between the cap and female connector, which are fitted together to hold the towel body and these ends securely between the cap and female connector.

Abstract: Multilayer disposable pads for use as wipes or applicators in various applications, including the cosmetics and personal care fields and the medical field. The pads include an absorbent base pad, an impervious barrier layer attached to the base pad, and a flexible handle attached to the barrier layer in a selective attachment area to define a handle attached portion and at least one handle graspable portion. The barrier layer may be attached to the base pad by being coated over the base pad without the use of adhesives, including being fused to the base pad when they are both made of a thermoplastic material. The handle attached portion may be fused to the barrier layer in an ultrasonic bonding process, again without the use of adhesive.

Abstract: A device for recreating knockdown patterns on walls, ceilings and surfaces. The device includes approximately six foam prong fingers having exposed lengths of approximately 1/4 to 1 and 1/2 inches long arranged in a bundle, and approximately 1/4 to approximately 2 inches in diameter. One end to bundle is cinched and held within a hand grip allowing the opposite end to form a splay pattern. Including the cinch portion each of the foam prongs can be approximately 1 to 3 inches in length. The outer exposed ends of the bundle can have flat perpendicular cuts and sliced forty five degree angled cuts. An optional extension pole allows the device to be used in hard to reach areas.

Abstract: A new Enclosure For Concealing Rear Windshield Wipers Of Automobiles for enhancing the appearance of automobiles. The inventive device includes an elongated tray having a hole for passing the wiper drive shaft, an adhesive for detachably securing the tray to the rear windshield, a flexible flap for protecting the wiper from the elements, and a drain hole for allowing draining of moisture from the tray.

Abstract: An adjusting lever pivoted on the attachment part moves during operation of the windshield wiper along a cam of a fixed rocker arm and thus pivots the contact spring to vary the force with which the wiper blade is pressed against the windshield being cleaned as a function of the particular wiper angle. The section of the adjusting lever on the rocker arm side has a fork-like design in which each fork leg rests upon an axially positioned cam of the rocker arm.

Abstract: An assembly for removing debris from the feet of persons and having the capability of cleaning the collected debris, comprises a housing extending along a longitudinal axis thereof and ending in a first and an opposite second end. A drive roller is mounted for rotational movement at the first end of the housing and is disposed perpendicularly to the longitudinal axis. A driven roller is mounted for rotation on the second end of the housing and is disposed perpendicularly to the longitudinal axis thereof. A means is associated with the driven roller and the housing second end for slide in connection and slide out removal of the driven roller with the housing. An endless loop carpet is trained about each of the drive and driven rollers and extends in a direction parallel to the longitudinal axis, the endless loop carpet having an upper run and a lower run, the upper run being supported substantially by an upper plate supported by the housing.

Abstract: A connection device between a suction pipe and a vacuum cleaning unit, the unit having a closing flap (5) displaceable between an open position and a closed position at the suction inlet of the unit by using a control member (11) as well as a component for locking the nozzle (20) to the suction unit. The suction unit is a vacuum cleaner having a dust bag (1), the closing flap (5) being arranged on the bag (1), and a control member (11) cooperating with the nozzle (20) by means of a cooperation device so that the locking of the nozzle (20) is possible as soon as the flap (5) is in its open position. Application to vacuum cleaners with disposable bags.

Abstract: An empty shell casing retrieval system has a metal detector and retrieval system. The metal detector has a metal detector having a metal detecting coil and a readout gauge and an on/off switch. A hollow tube has a metal detecting coil attached to one end portion thereof and the readout gauge and on/off switch attached to the other end of the hollow tube. A collection container is attached to the hollow tube for collecting metal pieces being drawn through the hollow tube and a vacuum cleaner or other vacuum source is attached to the hollow tube for placing a negative pressure in the tube to draw pieces of detected metal into the hollow tube and collection container. The tube has a plenum in one end having a separation screen therein for preventing metal pieces from entering the vacuum source. The metal detector readout gauge and switch are mounted remotely on the plenum and the handle has a vacuum on/off switch attached thereto.