1
Gary B Young: Broom assisted pick-up head. Tymco, Diller Ramik & Wight PC, August 6, 1996: US05542148 (98 worldwide citation)

A pick-up head is formed by a housing which defines a broom chamber rearward of an associated air pressure chamber and its associated blast orifice. The broom is rotated in a direction to impel debris from a surface in the same direction as air emitted from the blast orifice toward an associated air ...


2
Gary B Young: Pickup truck mounted sweeper. Tymco, Diller Ramik & Wight, April 28, 1987: US04660248 (32 worldwide citation)

This disclosure relates to a sweeper for roads, parking lots or like surfaces which is particularly adapted to be mounted upon a bed of a pickup truck, the sweeper including a hopper into which air-entrained debris is discharged, the hopper having a fore-aft axis to coincide with the direction of tr ...


3
Gary B Young, Joseph Dvorsky: Dustless regenerative air sweeper. Tymco, Diller Ramik & Wight PC, December 19, 2000: US06161250 (13 worldwide citation)

A closed-loop Regenerative.RTM. air sweeper is provided which constitutes an improvement of that disclosed in U.S. Pat. No. 3,512,206. The sweeper of the latter patent is provided as an integral portion thereof, whereas a conversion, a "dustless" mechanism having first and second chambers into the f ...


4
Gary B Young: High speed pick-up head. TYMCO, Diller Ramik & Wight, September 27, 1988: US04773121 (9 worldwide citation)

A high-speed pick-up head includes an air pressure chamber and an air suction chamber respectively associated with an elongated blast orifice and a suction orifice. The chambers are arranged in side-by-side relationship generally normal to the direction of vehicle/pick-up head travel and have opposi ...


5
Gary B Young: Broom assisted pick-up head. Tymco, Diller Ramik & Wight PC, October 1, 1996: US05560065 (7 worldwide citation)

A pick-up head is formed by a housing which defines a broom chamber rearward of an associated air pressure chamber and its associated blast orifice. The broom is rotated in a direction to impel debris from a surface in the same direction as air emitted from the blast orifice toward an associated air ...


6
Gary B Young, Albert L Hanel, Kenneth R Veselka: Surface sweeping machine with over-the-cab hopper dumping. Tymco, Diller Ramik & Wight, December 17, 1991: US05072485 (5 worldwide citation)

A road sweeper which includes a hopper between a cab and a centrifugal separator, a pair of relatively telescopically extendable and retractable members, one member of each pair being pivoted to a frame of the vehicle and another member of each pair being pivoted to a hopper, a pair of control arms ...


7
Gary B Young, Albert L Hanel, Kenneth R Veselka: Surface sweeping machine with over-the-cab hopper dumping. Tymco, Diller Ramik & Wight, November 15, 1994: US05363533 (4 worldwide citation)

A road sweeper which includes a hopper between a cab and a centrifugal separator, a pair of relatively telescopically extendable and retractable members, one member of each pair being pivoted to a frame of the vehicle and another member of each pair being pivoted to a hopper, a pair of control arms ...


8
Gary B Young, Albert L Hanel, Kenneth R Veselka: Surface sweeping machine with over-the-cab hopper dumping. Tymco, Diller Ramik & Wight, May 19, 1992: US05113548 (4 worldwide citation)

A street sweeper which includes a frame, a hopper, a cab and a centrifugal separator on opposite sides of the hopper, a mechanism for moving the hopper from a position behind the cab to a position above and forward of the cab for dumping debris from the hopper, the hopper moving mechanism including ...


9
Gary B Young, James C Crow: Surface sweeping machine with tilting blower housing. TYMCO, Miles & Stockbridge P C, David R Schaffer Esq, November 22, 2011: US08060978 (3 worldwide citation)

A road sweeper includes a blower housing having an opening, a hopper having an opening, and the openings being in axial alignment when the hopper and blower housing are each in a sweeping position thereof. The blower housing is biased for tilting movement from its sweeping position to an inclined du ...


10
Gary B Young: Surface sweeping machine with a dump door and chute actuating mechanism. TYMCO, Diller Ramik & Wight, March 6, 2007: US07185953 (3 worldwide citation)

A dump hopper for a road sweeper includes a dump door, a debris guide chute, and an actuating mechanism for pivoting the dump door and debris chute between travel and dumping positions. The dump door is sandwiched between a hopper and the guide chute in the travel position and seals a debris dischar ...