Patents Assigned to U.S. Manufacturing, Inc.
-
Patent number: 6494394Abstract: A face plate is provided for releasable attachment between a hammer and a hammer tip of a size reducing machine. The face plate provides a buffer between the hammer and the hammer tip. The hammer has a body with a forward facing hammer face that aligns with the back of the face plate. The front of the face plate aligns with the back of the hammer tip. The hammer, hammer tip, and face plate contain aligned bolt holes for receipt of a securement bolt that releasably secures the hammer, face plate, and hammer tip. The face plate includes a center section raised above opposing ledges designed for mated alignment with a recessed center section of the back of the hammer tip.Type: GrantFiled: April 13, 2001Date of Patent: December 17, 2002Assignee: U.S. Manufacturing, Inc.Inventors: Loran R. Balvanz, Paul R. Gray
-
Patent number: 6481654Abstract: A mated hammer and hammer tip combination for releasable engagement are provided. The hammer includes a lower body portion for engagement with a rotor of a size reducing machine, and an upper body portion. The upper body portion of the hammer includes at least one bolt hole and a front face having a raised center section. The hammer also includes an upper and lower ledge, and recessed side grooves. The hammer tip includes a front face with a distally located working edge for debris impact, at least one bolt hole for receipt of a bolt to releasably engage the hammer and hammer tip, and a back having a plurality of protruding opposable members, comprised of opposable shoulders or feet that define a recessed section therebetween forming a saddle-back. The saddle-back in the back of the hammer tip releasable engages with the raised center section of the hammer.Type: GrantFiled: September 20, 2000Date of Patent: November 19, 2002Assignee: U.S. Manufacturing, Inc.Inventors: Loran Balvanz, Paul Gray
-
Patent number: 6464157Abstract: The invention comprises a rotor and hammer assembly comprising a drive shaft allowing for rotating the rotor and hammer assembly. End plates are secured to the drive shaft, and a rotor casing is secured to the end plates. The rotor casing has an outside surface, to which a hammer is removably secured. The outer surface of the rotor casing includes slots, having a first and second slot section with a raised center portion therebetween. The hammer has a substantially flat base with a centrally located notch, such that the hammer base and the slot matingly align. The hammer is further secured to the outer surface of the rotor casing with threaded bolts. The hammer includes a front face with a raised center section and recessed comers that matingly align with the hammer tip, and is further secured with threaded bolt and nut.Type: GrantFiled: April 13, 2001Date of Patent: October 15, 2002Assignee: U.S. Manufacturing, Inc.Inventors: Loran R. Balvanz, Paul R. Gray
-
Patent number: 6311910Abstract: A hammer and rotor assembly for a size reducing machine. The rotor of the assembly comprises a drive shaft for rotating the assembly. The drive shaft includes a drive end and an outboard end, wherein the drive end secures to the drive motor of the size reducing machine. End plates secure the drive end and outboard ends of the drive shaft, and a center support also secures to the drive shaft. A rotor casing is secured to the end plates and the center support. The assembly includes a plurality of hammers having a hammer body with a rotor forming portion capable of securement to the rotor casing, a tip support portion extending into the debris path from the rotor forming portion of the hammer body. The hammer body also includes a production pocket. A rotatable hammer tip with a working edge and a protected edge is secured to the tip support section of the hammer body such that the hammer tip is at least partially shielded from the debris path by the production pocket.Type: GrantFiled: November 9, 1999Date of Patent: November 6, 2001Assignee: U.S. Manufacturing, Inc.Inventors: Loran R. Balvanz, Paul R. Gray
-
Patent number: 6308905Abstract: The present invention comprises a size reducing machine with a rotor having a plurality of hammers arranged to size reduce waste material upon impact. The rotor is contained with a tub that includes a tub floor for feeding the waste material toward the rotor. Located proximate to the tub floor is a gator plate with a serrated edge for initial material for sizing of the waste material.Type: GrantFiled: April 3, 2000Date of Patent: October 30, 2001Assignee: U.S. Manufacturing, Inc.Inventors: Loran Balvanz, Paul Gray
-
Patent number: 6131838Abstract: A hammer tip is provided with a centrally located bolt hole for receipt of at least one bolt for releasable securement to a hammer. The hammer tip includes a front face having a working edge, and a back with two opposing shoulder sections with a recessed section therebetween. The hammer includes a support shoulder for receipt of the bottom of the hammer tip. Together, the shoulder sections, the recess formed between, and the support shoulder create a saddle-back for releasable integration with the hammer.Type: GrantFiled: June 4, 1999Date of Patent: October 17, 2000Assignee: U.S. Manufacturing Inc.Inventors: Loran Balvanz, Paul Gray