Abstract: A large to medium-size sweeping and mopping vehicle and a mopping vehicle are provided. The large to medium-size sweeping and mopping vehicle includes a vehicle body, and a disc-type sweeping mechanism, a round-roller-type sweeping mechanism and a first mopping mechanism sequentially disposed along the vehicle body; the disc-type sweeping mechanism including a clean water tank and disc-type sweeping edge brushes driven by a motor and disposed obliquely with respect to ground, the clean water tank being disposed in front of the vehicle body driver zone, and a nozzle being disposed above each disc-type sweeping edge brush and in communication with the clean water tank; the round-roller-type sweeping mechanism including a refuse collector and a round-roller-type main sweeping brush driven by the motor to rotate horizontally; and the first mopping mechanism including a dragging roller, a guiding mopping roller, a guiding roller, a ring-shaped mop and a washing water tank.

Abstract: Pavement sweeping apparatuses may include a directionally mobile apparatus frame. At least one pickup unit may be carried by the apparatus frame. At least one actuatable first side edge broom may be carried by the apparatus frame generally on the first side and forward of the at least one pickup unit. At least one actuatable first side curb broom may be carried by the apparatus frame generally on the first side and forward of the at least one pickup unit. At least one actuatable second side edge broom may be carried by the apparatus frame generally on a second side and forward of the at least one pickup unit. At least one actuatable second side curb broom may be carried by the apparatus frame generally on the second side and forward of the at least one pickup unit. Pavement sweeping methods are also disclosed.

Abstract: A drive train configuration is disclosed. The drive train incorporates an engine having hydraulic pumps contained substantially inside the engine housing and with an engine shaft driving the hydraulic pumps. A porting block or center section is mounted to the engine housing to provide hydraulic communication between the hydraulic pumps located inside the engine housing and hydraulic motors located outside the engine housing. The hydraulic motor output shafts drive gears connected to axles to propel a vehicle.

Abstract: A nut row harvester has a nut hopper attached to a conveyor system. The nut row harvester has first and second frame sections that are pivotable relative to each other. A delivery end of the conveyor is moveable from a lower or harvesting position to an upper or dumping position. The nut hopper moves between the upper and lower positions with the end of the delivery conveyor.

Abstract: A mechanized broom-type sweeper vehicle (10) includes a conveyer (14) having two laterally extending pintle-like stub shafts (14-5) with the conveyor (14) received in a cradle (20) that includes split pillow blocks that each receive a respective one of the stub shafts (14-5). The conveyor (14) can be readily lifted from the vehicle (10) by removing structures superposed above the conveyor (14), disconnecting various mechanical and electrical connection removing the cap portion of each pillow-block, and thereafter lifting the conveyor (14) from the vehicle with an overhead crane. In a similar manner, a repaired or replacement conveyor (14) can be lowered via a crane into the cradle (20) with the stub shafts received within the pillow blocks and the caps reinstalled. The use of a top-side removal and a top-side installation technique reduces the time (and associated costs) for the removal and replacement of a conveyor (14) to as little as four hours or less.

Abstract: Self-propelled animal-shed vehicle for removing manure from a floor, and comprising a frame, a manure pick-up device, and a manure collecting bin, wherein the manure pick-up device comprises a rotating, continuous manure pick-up belt, at least two reversing parts, around which the belt can be rotatably moved, and a drive for moving the manure pick-up belt around the reversing parts, wherein the manure pick-up device during use keeps the manure pick-up belt in contact with the floor by means of a bottom reversing part, and wherein the drive is configured to move the manure pick-up belt at a peripheral speed, in such a manner that the manure pick-up belt moves from a bottom side of the bottom reversing part to a top side of the reversing part along the reversing part. Such a vehicle can keep an animal-shed floor clean in a very efficient manner.

Abstract: A parallel-beams type collector comprises a flat porous platform which is enclosed by side walls. The flat porous platform is formed from a row of horizontally projected, parallel and elongated tines or thin rods. The debris is moved onto the porous platform as the collector is moved forward across the lawn with the elongated thin rods moving and penetrating through the grass. The collector is moved up along a curved path by a moving assembly. A flexible string is pulled via an array of rollers to move the collector up. The leaves and debris sitting in the collector can further be swept away by a sweeping assembly. Alternatively, a continuous endless chain is used to move the collector. A guide member is used to keep the collector in proper orientation during the collection of the debris.

Abstract: The present invention generally pertains to a mechanical sweeper. The mechanical sweeper comprises a pickup broom for lifting debris toward a first belt conveyor. The sweeper further comprises a second deployable conveyor assembly mounted on a turntable and adapted for conveying the debris from the first conveyor to an auxiliary vehicle such as a dump truck.

Abstract: The invention relates to a cleaning device particularly for grassed areas. The cleaning device includes a cylindrical brush in contact with a rear roller to clean the roller. The brush can be adjusted to a working height relative to the chassis of the device, along an arcuate path having a center situated on the longitudinal axis of the roller.

Abstract: The present invention generally pertains to a mechanical sweeper. The mechanical sweeper comprises a pickup broom for lifting debris toward a first belt conveyor. The sweeper further comprises a second deployable conveyor assembly mounted on a turntable and adapted for conveying the debris from the first conveyor to an auxiliary vehicle such as a dump truck.

Abstract: The present invention generally pertains to a self-propelled mechanical sweeper. The mechanical sweeper comprises a pickup broom for lifting debris toward a first belt conveyor. The sweeper further comprises a second deployable conveyor assembly mounted on a turntable and adapted for conveying the debris from the first conveyor to an auxiliary vehicle such as a dump truck.

Abstract: The present invention generally pertains to a self-propelled mechanical sweeper. The mechanical sweeper comprises a pickup broom for lifting debris toward a first belt conveyor. The sweeper further comprises a second deployable conveyor assembly mounted on a turntable and adapted for conveying the debris from the first conveyor to an auxiliary vehicle such as a dump truck.

Abstract: A leaf gathering apparatus includes upper and lower conveyor axes, a conveyor extending around the upper and lower conveyor axes that is continuously rotatable, and a rotatable sweeping mechanism having a generally horizontal axis of rotation, the sweeping mechanism being configured to move leaves from a ground surface onto the conveyor. The apparatus includes a bag and a channel extending from the conveyor to the bag to direct leaves therebetween. A shredder is located along the channel. A frame, the upper and lower conveyor axes, and the sweeping mechanism are operatively coupled to the frame. A plurality of wheels are operatively coupled to the frame to allow the frame to be easily transported and a motor is operatively coupled to the sweeping mechanism to rotate the sweeping mechanism, the motor being operatively coupled to at least one of the upper and lower conveyor axes to rotate the conveyor.

Abstract: There is disclosed a vehicle comprising: a chassis (1a) extending in a longitudinal direction (1b) and with lateral sides (1c) parallel to the longitudinal direction (1b); a storage apparatus (5) for a fuel gas; an engine (2) utilizing fuel gas; wheels (2a) at least partly driven by the engine (2); driving means (14); a container (3) for refuse and pollutants; and conveying members (4) suitable to convey refuse and pollutants towards the container (3); the container (3) having side panels (3a) provided with recesses (15) expanding inward and extending above the lateral sides (1c); and the storage apparatus (5) comprising a plurality of tanks disposed in the recesses (15) and supported by the chassis (1a). The recesses (15) are also provided with connecting walls suitable to facilitate the flow of refuse inside said container (3).

Abstract: A debris collecting device includes a rotatable drum 4 having a plurality of radially extending tynes 5 and a rake adapted to cooperate with the drum, the rake having dual arcuate shaped blades, including a debris releasing blade 7 and a reversing blade 9 adapted to contiguously contact either side of the drum over the whole length thereof at the respective leading edges thereof. The blades include elongate slots 11 adapted to intersect and accommodate the travel path of the tynes as the drum rotates such that debris pierced and picked up by the tynes rotating in a first direction is dislodged for transfer to a catcher 2.

Abstract: A mechanized broom-type sweeper truck that includes a pavement engaging brush or broom and an elevator for transported debris to the inlet or entry opening of a debris container includes a slinging roller in the debris container mounted at or subjacent the inlet opening. The slinging roller is journalled in bearings and driven by a motor at a selected rotary speed. Surface features are provided on the roller to engage with and contact any debris coming into contact with the roller to fling, sling, throw debris away from the inlet opening.

Abstract: An article pickup system includes a pickup vehicle having collector assemblies extending in a side by side configuration and engaging articles on the ground. The collector assemblies generally include a rotating drum with flexible fingers having widened ends extending outward there from. A separator assembly includes sprocket type devices to remove the collected articles from the collector assemblies. In one embodiment, the collector assemblies pivot independently from one another and the separator assemblies are mounted on a linkage to maintain spacing and move upward and downward with the collector assemblies. The collector assembly includes a series of conveyors for transporting the collected fruit. The collector assemblies may be utilized with a sweeper device having generally horizontally extending arms that engage fruit on the ground and move it toward the collector assemblies with the arms raising up to release the fruit in the desired location in the path of the collector assemblies.

Abstract: A machine for removing articles strewn on a tract of ground generally consisting of a wheel unit; a support frame mounted on the wheel unit, having device for advancing the machine along the tract of ground; an endless conveyor mounted on the support frame, having device to gather articles deposited on the tract of ground and a flight extending from a front end disposed adjacent ground level, upwardly and rearwardly to an elevated rear end; a receptacle mountable on the support frame, positioned to receive articles gathered by the gathering device, carried upwardly and rearwardly on the conveyor and discharged therein; a moldboard disposed forwardly of a lower front end of the conveyor, pivotally connected to the support frame; and device for driving the conveyor.

Abstract: A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A conveyor lip is mounted on a lower edge of the conveyor to improve sweeping performance. The conveyor lip covers a space between the lower edge of the conveyor and the ground. The lip's lower edge is angled towards the brush to deflect debris back towards the brush to recirculate the debris.

Abstract: A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A cutoff flap is mounted contacting a front portion of the brush. The cutoff flap deflects debris that moves upwards along a front portion of the brush back downwards to be recollected at the conveyor.

Abstract: Disclosed herein is a street sweeper having a vertical chain driven conveyor apparatus. The vertical chain driven conveyor apparatus is provided with a jointed shaft to compensate for chain wear over the life of the chains. The vertical chain driven conveyor apparatus is provided with an automatically adjusting chain tension adjustment system. The vertical chain driven conveyor apparatus is provided with locking adjustment mechanism to prevent the chains from losing tension when the sweeper is turned off. An initialization program is operable to restore chain tension when the street sweeper is started and prevent sweeping operations until a desired chain tension has been indicated.

Abstract: A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A conveyor lip is mounted on a lower edge of the conveyor to improve sweeping performance. The conveyor lip covers a space between the lower edge of the conveyor and the ground. The lip's lower edge is angled towards the brush to deflect debris back towards the brush to recirculate the debris.

Abstract: A sweeper drag shoe used with a rotary broom in sweeping, whereby escaping debris from under a contact skid is recaptured. The sweeper drag shoe contains a deflection plate that redirects bristle tip movement inwardly to allow the broom to recapture debris which escapes during normal operation. The sweeper drag shoe also includes an angled wedge for concentrating outer bristles of the broom into a rotating barrier to prevent debris migration to the end of the broom.

Abstract: A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A cutoff flap is mounted contacting a front portion of the brush. The cutoff flap deflects debris that moves upwards along a front portion of the brush back downwards to be recollected at the conveyor.

Abstract: A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis generally perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A recirculation flap is mounted contacting a lower rear portion of the brush. The recirculation flap deflects debris that has traveled over the top of the brush back into the brush to be recollected at the conveyor.

Abstract: A street sweeper system is used in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about a horizontal axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A conveyor flap is mounted on a lower edge of the conveyor to improve sweeping performance. The conveyor lip covers a space between the lower edge of the conveyor and the ground. A cutoff flap is located on a forward portion of the brush to deflect debris that is passing over the brush. A recirculation flap is located at a rear portion of the brush to recirculate debris that has passed over the top of the brush.

Abstract: A street sweeper with vacuumized dust control where a rotary broom chamber surrounds a rotary broom. The rotary broom chamber connects by a conveyor housing containing a conveyor mechanism to a hopper having a powered fan and a filter. A vacuum or low pressure is created within the hopper which communicates through the conveyor housing to the rotary broom chamber which creates an airflow therebetween which carries dust or other light debris to a filter which filters out the dust particles or other light debris. The conveyor housing and other components are positionable to accommodate various modes of operation.

Abstract: There is described a squeegee style conveyor for a street sweeper in which the shaft connecting the lower pulleys has been removed to provide more space between the lower pulleys for larger objects to pass. The lower pulleys are supported on the conveyor tray by spindle hub assemblies.

Abstract: A utility type surface cleaning vehicle comprising a unitary frame utility type tractor defining a longitudinal axis and having left and right driven rear wheels and at least one steerable front wheel and a trailer connecting mechanism. A debris hopper is removably connectable to the utility type tractor via the trailer connecting mechanism. A surface cleaning apparatus is operatively connectable to the utility type tractor and connected in debris depositing relation via a debris transfer means to the debris hopper. At least one gutter broom is included, with each gutter broom being mounted on the utility type tractor for rotation about a respective substantially vertical gutter broom axis disposed rearwardly of the foremost portion of said at least one steerable front wheel and disposed forwardly of said left and right driven rear wheels.

Abstract: A wheel supported sweeping machine includes a hopper which is movable between operating and non-operating positions and a conveyor which is adjacent the hopper and is similarly movable between a lower operating position and a raised non-operating position. There is a cylindrical brush mounted on the frame which directs debris into the conveyor, with the conveyor raising the debris for deposit into an opening in the upper end of the hopper, which is aligned with a similar opening in the conveyor. At times, debris may fall into the space between the conveyor enclosure and hopper. A debris collecting ramp is located beneath the hopper and extends upwardly and rearwardly toward the hopper from the conveyor enclosure. There is a seal between the ramp and conveyor enclosure which prevents debris from falling downwardly until the conveyor enclosure has been raised, at which time, the debris will be deposited by the ramp through a lower opening in the conveyor enclosure to an area in the front of the brush.

Abstract: A street sweeping vehicle has a generally centrally disposed longitudinal axis, a sweeping brush disposed laterally across the longitudinal axis for sweeping debris forwardly into an elevator disposed forwardly of the sweeping brush and laterally across the generally centrally disposed longitudinal axis, and opposed left and right drag shoes disposed on opposite sides of the longitudinal axis and laterally bordering the sweeping brush and elevator. The elevator lifts debris received from the sweeping brush into a hopper for subsequent controlled dumping therefrom. Each drag shoe comprises a main body member having a front end and a back end. A mounting assembly permits mounting of each drag shoe on the street sweeping vehicle in road tracking relation. A bottom surface is shaped for substantially sealed contact with a road surface.

Abstract: A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rear wall (130). Mounted on the collector roller (11) is a plurality of rubber fingers (13, 14, 15, 16) arranged in rows (17, 18, 19) which are laterally offset from substantially identical rubber fingers (39, 40, 41), also arranged in rows (32, 33, 34) so as to occasionally form a substantially continuous, upwardly moving entrainment platform (150) and to also occasionally form an arrangement of spaced apart fingers which each transport debris onto the conveyor (27). The collector roller (11) is attached to a hydraulic ram (118) so as to permit the collector roller (11) to travel over excessively large debris without interference.

Abstract: A trash pick-up and collection apparatus includes a rotary drum assembly with a plurality of spikes to impale and pick-up the trash along a path to be cleared. A continuous chain mechanism wrapped around the drum assembly lifts, strips and carries the trash to a collection bin. The drum assembly includes a plurality of sections in the direction of the longitudinal axis to allow ease of movement in a turn. The drum is formed of elongated plates extending in the longitudinal direction and each mounts a series of spikes. The chain mechanism preferably includes a plurality of flattened chains that lift the trash from underneath and carry it to the collection bin. An idler roller positioned adjacent the collection bin forms the delivery and return run of the chains. The entire apparatus may be lifted over obstacles and moved along paved roads by wheels that are hydraulically moved to and from an operative position.

Abstract: A debris collection vehicle (1) having an offset cab (12) adjacent to a conveyor belt (61) which transports collected debris to a hopper (59). Rows of resilient fingers (51) are mounted on a collector drum (36), the conveyor (61) and on curb brushes (22, 24). The orientation of the collector (36) may be varied with respect to the lower drum (57) supporting the conveyor belt (61) in order to permit the reliable entrainment of various sized and shaped objects without fouling. The collector drum (36) is biased by a spring (192) to facilitate clearance of obstacles or oversized debris. A front deflection bar (229) is mounted adjacent to the collector drum (36) to direct debris toward the lower support (56) of the conveyor belt (61). A rear deflection bar (239) is mounted adjacent to the lower conveyor support (56) to direct debris toward the upper surface of the conveyor belt (61).

Abstract: A device for removing sand, solid particulate wastes and the like from a surface being cleaned, comprising spade-shaped members driven in a closed rotatory circuit cooperating with a brush in synchronized sweeping motion. In a first embodiment, a rotatory belt mounting a plurality of circumferentially spaced apart spade-shaped collector elements cooperates to receive material swept by a single brush in pendulum arcuate motion and then elevates the waste for deposit into a storage container for later disposal. In a second embodiment, the sweeping action is provided by the reciprocating motion of a first rotational belt mounting a plurality of transverse, circumferentlally spaced-apart rows of brushes and the receiving and elevating is done by a second belt mounting an array of circumferentially spaced-apart spade-shaped collector elements.

Abstract: A vehicle for collecting debris from a road includes an operator cab located at a front section of the vehicle, a boom assembly located at the front section, a paddle guide assembly located at the front section, and a collection bin located at a back section of the vehicle. The boom assembly carries a rotary rake, a leader blade, and a conveyor belt assembly. The operator cab and boom assembly are configured such that an operator has a substantially unobstructed view of the debris as it is being collected. The paddle guide assembly includes a plurality of paddles configured to move the debris into the path of the rotary rake. The rotary rake guides the debris over the leader blade and onto the conveyor belt assembly. The conveyor belt assembly transports the debris into the collection bin.

Abstract: An apparatus for removing soil and other debris from around buried objects. The apparatus comprises a movable frame which supports plurality of rotatable and independently mounted brushes which are used to gently sweep across the soil to remove soil and other debris from the covered objects. The soil is then transferred to a collection box within the movable frame for subsequent removal. The frame is capable of horizontal, vertical and rotational movement.

Abstract: A refuse collection device (1) including a collector roller (11) and an inclined conveyor (27) which deposits collected debris into a hopper (127) along arcuate paths (128, 129), thereby filling the hopper (127) initially in the region adjacent to its rear wall (130). Mounted on the collector roller (11) is a plurality of rubber fingers (13, 14, 15, 16) arranged in rows (17, 18, 19) which are laterally offset from substantially identical rubber fingers (39, 40, 41), also arranged in rows (32, 33, 34) so as to occasionally form a substantially continuous, upwardly moving entrainment platform (150) and to also occasionally form an arrangement of spaced apart fingers which each transport debris onto the conveyor (27). The collector roller (11) is attached to a biasing means (118) so as to permit the collector roller (11) to travel over excessively large debris without interference.

Abstract: Disclosed herein is a chain for use in a street sweeper in conveying dirt swept from the street along an inclined surface to a hopper for later disposal. Flights for conveying the dirt along the inclined surface are easily attached to the chain. The chain is of an offset configuration and is run open end forward. The offset configuration run open end forward results in less chain and sprocket wear than prior art straight sidebar configurations. Chain components are carbonitrided for high hardness. The distance the flights can be pivoted from the surface they contact is limited by strategic location of flight attachment portions of sidebars. Assembly is simplified.

Abstract: A road-sweeping machine designed to be towed behind a truck for removing road debris, including motor vehicle tires and tire fragments, includes a brush assembly that engages the roadway surface and sweeps debris from the roadway onto a first conveyor belt that transports the debris away from the brush. The debris is then constrained between the first conveyor and a second conveyor for delivery to debris receptacle. Both conveyor belts are entrained about a series of rollers supported by related frame structures including rollers mounted on pivotable links that allow the two confronting conveyor belts to move toward and away from one another in response to the size of the debris being constrained between the two conveyors. The tension on the self-adjusting conveyor belts is controlled by a pivotally mounted roller that maintains tension on both belts while self-repositioning in response the separation between the belts caused by the size of the debris being accommodated.

Abstract: An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having a plurality of flexible fingers disposed radially on the periphery thereof, the rollers being substantially parallel to each other and disposed in a plane that is substantially parallel to the ground. The rollers are arranged so that the fingers on one of the pair of rollers intermesh with the fingers of the other of the pair of rollers so as to be able to lift litter between them. The apparatus further includes a device for conveying litter lifted by the pair of rollers to the hopper.

Abstract: A vehicle having a collecting and hauling system for collecting and hauling refuse in a containment vessel to a predetermined location. In the illustrated embodiment, a street sweeper having a street sweeping system utilizes a vertically extendable mast for elevating its hopper for dumping purposes. Additionally, air springs are provided to the wheel suspension system so that the air springs, when inflated, elevate the chassis and street sweeping system for road travel. When deflated, the chassis is lowered into solid support on the suspension system to provide a more rigid suspension for improved street sweeping and hopper dumping operation. Also, the street sweeper has a conveyor for conveying the dirt from dirt collection means upwardly into the hopper.

Abstract: An apparatus for collecting litter from the ground includes a frame adapted for movement along the ground, a hopper mounted at one end of the frame; and a collector assembly supported on the frame. The collector assembly includes a pair of rollers having a plurality of flexible fingers disposed radially on the periphery thereof, the rollers being substantially parallel to each other and disposed in a plane that is substantially parallel to the ground. The rollers are arranged so that the fingers on one of the pair of rollers intermesh with the fingers of the other of the pair of rollers so as to be able to lift litter between them. The apparatus further includes a device for conveying litter lifted by the pair of rollers to the hopper.

Abstract: A vehicle for beach cleaning has a vehicle frame with at least one wheel axis disposed on it. Garbage is picked up from the beach by a vertically adjustable garbage pickup and delivered to a conveyor adjoining the garbage pickup and conveying the garbage taken to a collecting receptacle disposed at the rear end of the vehicle frame. A supply rotor is allocated to the pickup area of the garbage pickup.In order to improve the supply, the pickup and the transport of refuse and the separation of refuse and sand and the disposal of the pollutants, a swivel frame supporting the garbage pickup and the supply rotor is lowerably mounted on the vehicle frame for vertical adjustment, the supply rotor being mounted on the swivel frame pivotably across a swivel range comprising different operating conditions by means of links and being in particular counter-clockwise rotatable about an axis of rotation mounted on the links.

Abstract: The vehicle is intended as a self-propelled utility model for beach cleaning. It has a vehicle frame which comprises at least one front and rear axle. A garbage pickup is disposed therebetween. The vehicle is to be a multi-purpose vehicle. The vehicle frame equipped with wheels consequently has a centric, rectangular opening between the front and the rear axle. The garbage pickup is adjustably mounted in this opening, namely from an operating position in which it contacts the ground to a ready position in which it is lifted from the ground. Seen in the direction of driving, a collecting receptacle for the picked up garbage is located behind the garbage pickup.

Abstract: An apparatus for picking litter off sandy beaches with minimal sifting of sand. A rotary drum, with unique rigid protrusions and non-rigid projections, is independently powered to roll in the opposite direction as the moving apparatus. The protrusions on the drum dig into the subsurface of sandy beaches and bring up debris that may be lodged in the sand, while the projections toss debris on the surface into the apparatus for collection.

Abstract: A street sweeper utilizes a vertically extendable mast for elevating its hopper for dumping purposes. Additionally, air springs are provided to the wheel suspension system so that the air springs, when inflated, elevate the chassis and street sweeping system for road travel. When deflated, the chassis is lowered into solid support on the suspension system to provide a more rigid suspension for improved street sweeping and hopper dumping operation. Also, the street sweeper has a conveyor for conveying the dirt from dirt collection means upwardly into the hopper. A second air spring having resilient chamber walls is provided to support the conveyor means in movable relation so that it may be rotated upwardly in travelling position by inflation of the air spring and lowered into operating position by deflation thereof. The conveyor is preferably suspended from the chassis by pivotally hanging links to permit the conveyor to move between raised and lowered positions.

Abstract: A self-propelled mechanical street sweeper comprising a production truck cab and chassis, the frame beams of which have been modified by removing rear portions thereof extending behind the rear axle. The sweeper comprises side brushes, a pick-up brush and a conveyor. The conveyor is mounted forwardly of the pick-up brush adjacent the rear axle of the chassis, and has a uniform width throughout its length, which width is substantially the same as the width of the pick-up brush. The street sweeper of the present invention also comprises a rear suspension mounted above and forwardly but not rearwardly of the rear axle, comprising a rubber pad mounted between the frame beams and the rear axle for biasing the rear axle away from the chassis, and a connecting arm pivotally mounted to the frame beams at a location forwardly of the rear axle for connecting the rear axle to the frame beams.

Abstract: An improved cleaning apparatus for use in cleaning the floor which comprises a first belt as a broom, a second as a mop and a trash containing corner whereby as the cleaning apparatus is pushed the wheels, the conveyor belt and wiping belt are driven so as to perform the functions of sweeping, wiping, and effectively protecting the trash from dropping therefrom.

Abstract: A machine with a frame supporting two side brushes downwardly, a center roller, and an auxiliary front brush movable on command in a crosswise direction to the frame, and upwardly a driver's cab, a trash container, a water tank and a trash conveyor. The water tank and trash conveyor are of reduced dimensions (i.e., short) with respect to the machine lengthwise direction are flattened and inserted between the cab and container. The conveyor has an open structure which extends vertically in an air-tight transport channel between a top end in communication with the container via an opening in the container and a bottom end placed forwardly close to the center roller. A dust suction unit is also provided in communication with the container interior, to draw in dust raised by said brushes through the opening into the trash container from a transport channel between the bottom and top ends of the conveyor.