61
Michael D Stepp: Sheet-metal insulated register box with adjustable elbow fitting. M & M Manufacturing Co, Dennis T Griggs, September 28, 1999: US05957506 (22 worldwide citation)

A sheet-metal elbow is coupled by direct attachment to a flat sheet-metal air inlet panel of an air distribution boot or register box by roll-formed flange portions that are mated in interlocking, overlapping engagement with each other. The air inlet panel includes an outwardly flared coupling flang ...


62
Peter Gardella, Kevin L Wood: Refuse compactor and transfer chamber. Norwood Enterprises, March 8, 1988: US04729304 (22 worldwide citation)

A stationary chamber is located below an apron on which garbage and other refuse is dumped from collection trucks. An opening in the apron is aligned with an opening in the top of the chamber. The discharge end of the chamber is closed by a gate which slants rearward at an angle of 15.degree. to the ...


63
Christian H Thoma, George D M Arnold: Rotary hydrostatic machines or transmissions. Young & Thompson, July 4, 1989: US04843818 (22 worldwide citation)

A hydrostatic machine including a casing 1 containing a rotary member 12 having radial cylinders 20 each with a piston 21 engaging a track ring 23. Both input 6 and output shafts 7 are connected either hydraulically through the transmission rotary members 12 or mechanically through a bypass shaft 10 ...


64
James C Seal: Spreader/grader. Harvey B Jacobson, March 23, 1982: US04320988 (22 worldwide citation)

A spreader/grader is attachable to a three-point hitch associated with a tractor and includes a pair of curved cutting blades which are adjustable so as to control cutting depth. The cutting blades are mounted between a pair of side runners and include curved cutting edges to facilitate spreading or ...


65
Krause Herbert K: Self-unloading vehicle. August 8, 1972: US3682333 (22 worldwide citation)

An unloading apparatus for a spreader or the like includes a caliper arm mechanism one end of which is secured to the box and the other end of which is secured to a slidable bulkboard. A hydraulic ram spreads the arms of the caliper mechanism to slide the bulkboard rearwardly. A tailgate is mounted ...


66
Christopher A Hart, David N Cannan: Power tongs. Felsman Bradley Vaden Gunter & Dillon L, October 31, 2000: US06138776 (22 worldwide citation)

A pipe handling system comprises a rig floor supported frame adapted to be positioned above the rotary table and in alignment with the hole in the rotary table. It incorporates a centrally located bowl lined with the frame to enable a string of pipe to extend through the rotary table. Appropriate re ...


67
Sannipoli Alfred L: Tank fabrication system. Lyco Manufacturing, May 22, 1973: US3734387 (22 worldwide citation)

A system and method of fabricating tanks comprising a plurality of carriages mounted on tracks and supporting tank sections and a chain drive mechanism for forcing the tanks into contacting relationship. Also included is a hydraulic ram for applying further contacting pressure so that intimate conta ...


68
Oswalt Jr Harry L: Metal working machine. February 18, 1975: US3866522 (22 worldwide citation)

A machine for fabricating workpieces, provided with shears, punches, press brakes, a notcher or coper, and other accessories, such as forming, shaping, bending and cut-off tooling, has a power beam swingable vertically on a horizontal bed that is interposed between the beam and a hydraulic ram, as w ...


69
Young deceased Bernard W: Surface sweeping machine equipped with gutter brush. Baldwin Wight & Brown, February 12, 1974: US3790981 (22 worldwide citation)

A mobile road or like surface sweeping machine has a gutter brush and a brush driving hydraulic motor carried on a supporting structure which is mounted on the machine frame for compound vertical and horizontal swinging movements from a stowed position, with the brush in close to the machine frame a ...


70
Robert W Kanik: Power driven log splitter. R Kanik Sales, Charles S McGuire, February 28, 1978: US04076062 (22 worldwide citation)

Apparatus for splitting logs by pushing the logs endwise against a stationary splitting wedge. A gasoline motor drives a pump which powers a hydraulic ram in conventional fashion. The frame means upon which the wedge is mounted comprise two U-shaped channel members fixedly secured with the legs of t ...



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