Patents by Inventor Roland E. Cale

Roland E. Cale has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4531665
    Abstract: A clevis end connecting rod such as a truck lever connection rod, brake cylinder push rod, brake rod end, etc., utilized on railroad cars and the like, is manufactured by forming a piece of straight metal bar stock with a central offset and then transversely severing the bar stock at the central portion of the offset and then realigning the severed bar ends with each other to form a bifurcated jaw having laterally spaced side portions merging to contact at their offset ends with their surfaces of severance lying in a common plane. One end of an elongated piece of metal stock is butted up against the severed end surfaces and there welded. Aligned bores are provided in the bifurcated arms to receive a common connecting pin therethrough.
    Type: Grant
    Filed: March 18, 1983
    Date of Patent: July 30, 1985
    Inventor: Roland E. Cale, Jr.
  • Patent number: 4414726
    Abstract: A clevis end connecting rod such as truck lever connection rods, brake cylinder push rods, brake rod ends, etc., utilized on railroad cars, is manufactured by positioning an outside side surface of a metal eye member, having a bore therethrough, transversely against one end of a metal rod, and then the metal rod end is circumferentially welded to the eye member side surface with a good concentric and coaxial uniform weld. Thereafter, the eye member is transversely cut in half, thereby providing a cutting gap which is in line with the axis of the rod. Then this same end of the rod is axially cut to a predetermined depth to provide a bifurcated rod end. The bifurcation is aligned with the cutting gap between the eye member halves, and then the bifurcated rod end is spread and re-shaped to form a clevis end with the bores of the eye member halves being positioned in spaced alignment to receive a clevis pin, thereby eliminating expensive prior art hot forging techniques.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: November 15, 1983
    Inventor: Roland E. Cale, Jr.
  • Patent number: 4274277
    Abstract: Metal stock is forged into a blank consisting of a rod-like shank joined at one end to the inner ends of a pair of forks having enlarged flattened outer ends projecting laterally of the forks in the same direction and provided with pin-receiving openings. One fork is aligned with the shank and the other fork extends laterally away from the shank and then outwardly, with its enlarged end projecting toward the other fork. Both forks are then twisted in the same direction to turn their flattened ends approximately 45.degree. into spaced parallel planes, and the longer fork is bent to move its flattened end into a position in which its opening is axially aligned with the opening in the other enlarged end.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: June 23, 1981
    Assignee: Schaefer Equipment Inc.
    Inventor: Roland E. Cale
  • Patent number: 4204419
    Abstract: Metal stock is forged into a blank consisting of a rod-like shank joined at one end to the inner ends of a pair of substantially parallel forks having enlarged flattened outer ends projecting laterally away from each other in a common plane and provided with pin-receiving openings with parallel axes. The forging operation provides each fork with the appearance of a 90.degree. twist. After the blank is formed the forks are twisted on their axes in directions that will substantially eliminate their twisted appearance and will turn their enlarged ends into spaced parallel planes with their pin-receiving openings in axial alignment.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: May 27, 1980
    Assignee: Schaefer Equipment Incorporated
    Inventor: Roland E. Cale
  • Patent number: 4196642
    Abstract: Metal stock is forged into a blank consisting of a rod-like shank joined at one end to the inner ends of a pair of forks having enlarged flattened outer ends projecting laterally of the forks in the same direction and provided with pin-receiving openings. One fork is aligned with the shank and the other fork extends laterally away from the shank and then outwardly, with its enlarged end projecting toward the other fork. Both forks are then twisted in the same direction to turn their flattened ends approximately 45.degree. into spaced parallel planes, and the longer fork is bent to move its flattened end into a position in which its opening is axially aligned with the opening in the other enlarged end.
    Type: Grant
    Filed: November 17, 1978
    Date of Patent: April 8, 1980
    Assignee: Schaefer Equipment, Inc.
    Inventor: Roland E. Cale
  • Patent number: 4194599
    Abstract: A brake beam lever extends through an inclined slot in a brake beam strut at a greater inclination to vertical than the slot, and wedge shape members fill the wedge shape spaces formed between the lever and the side walls of the slot. A pivot pin extends through said strut and wedge members and lever, and the ends of the lever are provided with openings for clevis pins.
    Type: Grant
    Filed: June 27, 1978
    Date of Patent: March 25, 1980
    Assignee: Schaefer Equipment Incorporated
    Inventor: Roland E. Cale
  • Patent number: 4159187
    Abstract: A brake lever connection is formed from a tube with a two-piece jaw welded to each end, each jaw having laterally spaced side portions merging at one end into end portions engaging each other to form the inner end of the jaw, which has a first frusto-conical surface tapered toward the other jaw and merging into a smaller diameter frusto-conical surface tapered less sharply. The larger end of the smaller conical surface has about the same diameter as the inside of the tube, into an end of which the smaller conical surface is inserted. The end walls of the tube form with the first conical surfaces annular recesses filled with welding metal that joins the jaws to the ends of the tube.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: June 26, 1979
    Assignee: Schaefer Equipment Incorporated
    Inventor: Roland E. Cale
  • Patent number: 4042078
    Abstract: The upper end of a railway car live brake lever between the axles of a car truck is pivotally connected to one end of a link that extends across the top of the adjacent axle and is pivotally connected to the lower end of a vertical fulcrum lever. The central portion of the fulcrum lever is provided with a circular opening, the wall of which is convex from side to side of the lever and forms an arc of a circle. A rigid supporting member for the fulcrum lever projects laterally from one side of the center sill of the car and has a hook at its outer end extending through the lever opening and curved away from the live lever. The hook forms an arc of a circle and has a circular cross section, the radius of the inside of the hook being substantially the same as the radius of the wall arc. The inside diameter of the lever opening is only slightly greater than the diameter of the hook in cross section, and the upper end of the fulcrum lever is formed for connection to a device for rocking that lever around the hook.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: August 16, 1977
    Assignee: Schaefer Manufacturing, Inc.
    Inventor: Roland E. Cale
  • Patent number: 4016691
    Abstract: A reversible foot for the lower end of an inclined brace in a railway hopper car is a metal forging arched transversely to fit over a crossridge in the car, to which the foot is fastened. The foot is provided with a central vertical opening extending lengthwise of it for receiving the lower end of a brace inclined at a predetermined angle. The end wall of that opening that will be beside the upper inclined surface of the lower end of the brace is inclined substantially parallel to that surface, but the opposite end wall of the opening is inclined in the opposite direction at a different angle so that it will lie substantially parallel to the upper inclined surface of the lower end of a brace inclined at a different angle than the first-mentioned brace if the foot is reversed to receive such a brace. Whichever brace is used, its lower end is welded to the foot.
    Type: Grant
    Filed: April 23, 1975
    Date of Patent: April 12, 1977
    Assignee: Schaefer Equipment Company
    Inventor: Roland E. Cale
  • Patent number: 4015697
    Abstract: A link is provided at one end with a first opening for receiving a member supported by a railway car body, and at the opposite end with a second opening. Extending through the second opening is a clevis that has parallel free ends provided with aligned openings for connecting it to the upper end of a brake beam lever. The shape of the second opening and the portion of the clevis in it is such that the clevis is restrained by the link from swinging relative to the link in a plane perpendicular to the axis of the clevis opening. The supporting member for the opposite end of the link has a hook extending through the first opening. The link may be made short enough to be located substantially horizontally between the dead lever and the adjacent axle.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: April 5, 1977
    Assignee: Schaefer Equipment Company
    Inventor: Roland E. Cale