Patents by Inventor Ronald D. Vance

Ronald D. Vance 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: 5839136
    Abstract: A cot incorporating an cot mounted armrest is provided. The cot mounted arm rest includes a cot frame attaching member, an arm board, and a pivot assembly coupling the attaching member and the arm board. The cot frame attaching member is attached to a backrest frame of the cot and is movable along a portion of the backrest frame. The cot frame attaching member and an arm board are mechanically coupled via an arm board release mechanism. The pivot assembly includes a first pivot assembly portion mechanically coupled to the cot frame attaching member and a second pivot assembly portion mechanically coupled to the arm board. The pivot assembly permits movement of the arm board between an extended arm board position and a retracted arm board position. The extended arm board position is characterized by contact of a frame engaging surface of the arm board with a guardrail frame portion of the cot.
    Type: Grant
    Filed: May 23, 1997
    Date of Patent: November 24, 1998
    Assignee: Ferno-Washington, Inc.
    Inventors: Ronald D. Vance, H. Clayton Johnson
  • Patent number: 5432966
    Abstract: An adjustable roll-in ambulance cot having adjusting mechanisms which require less maintenance than previous designs and which will operate smoothly and consistently in use is provided. The adjustable roll-in cot includes a cot frame having a leading end, a trailing end, and a pair of opposing side frame members. The cot is supported by leading and trailing pairs of collapsible legs having respective upper ends connected to the cot frame and lower ends including transport wheels thereon for transport of the cot. Mechanisms are also provided for adjusting the height of the cot frame relative to the transport wheels and for latching the cot frame into a plurality of predetermined positions for patient transfer and loading.
    Type: Grant
    Filed: November 3, 1993
    Date of Patent: July 18, 1995
    Assignee: Ferno-Washington, Inc.
    Inventors: Kenneth R. Berta, Ronald D. Vance
  • Patent number: 4688279
    Abstract: A combination stretcher and stairchair having a main frame mounting pivotal torso and leg rest sections which when elevated convert from a stretcher to form a stairchair, and in which the conversion from the stretcher position to the stairchair position is easily achieved by actuating a release bar, the stairchair being readily reconverted to a stretcher by collapsing sets of diagonal braces.
    Type: Grant
    Filed: July 24, 1986
    Date of Patent: August 25, 1987
    Assignee: Ferno-Washington, Inc.
    Inventor: Ronald D. Vance
  • Patent number: 4369985
    Abstract: A one man cart for carrying articles of merchandise having a main horizontal frame having auxiliary wheels at the forward end thereof, a pair of rear legs pivoted from the front of said main frame and inclined downwardly and rearwardly, a toggle brace pivoted to the rear of said main frame and inclined downwardly and forwardly and pivoted to said rear legs, front legs pivoted to the front of said frame and extending substantially vertically downwardly. A mechanism is provided to lock and unlock said front legs so that they may be pivoted rearwardly for operations such as moving the cart up and down stairs while holding the cart by an extension of the rear legs at the front of the cart. The toggle braces for the rear legs are pivotal to unlock the rear legs.
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: January 25, 1983
    Assignee: Burt Weil
    Inventors: Elroy E. Bourgraf, Robert E. Dunn, Ronald D. Vance