Patents by Inventor Erwin A. Alpern

Erwin A. Alpern 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: 6289539
    Abstract: A handrail attachment for beds comprises an upstanding side member connected to a base member adapted to fit under a bed mattress. The side member is in the form of an inverted U-shaped tubular member with cross-members mounted between the depending arms of the U-shaped tubular member. The end of one depending arm has a pivot pin mounted therein to permit the handrail to be swung away from the bed in open position, and the other end has a slidable rod mounted therein. The base member has upstanding end portions, one of which receives the pivot pin, and the other of which receives the slidable rod which locks the upstanding side member to the base member. The base member has elongated U-shaped support members mounted at either end thereof to extend under the bed mattress and be fastened to the opposite bed rail. A slidable rod with a series of spaced holes serves as an adjustable leg to support the handrail in open position.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: September 18, 2001
    Inventor: Erwin A. Alpern
  • Patent number: 5463784
    Abstract: A hand rail attachment for beds comprises an upstanding side member connected to a base member adapted to fit under a bed mattress. The side member is in the form of an inverted U-shape with adjustably mounted cross-members mounted between the depending arms of the U-shape. The end of one depending arm has a pivot pin mounted therein, and the other end has a slidable sleeve attached thereto. The base member has upstanding end portions, one of which receives the pivot pin, and the other of which abuts the end of the other depending arm having the slidable sleeve which slides over the abutting connection and locks the upstanding side member to the base member. The base member has elongated U-shaped support members mounted at either end thereof to extend under the bed mattress.
    Type: Grant
    Filed: August 17, 1994
    Date of Patent: November 7, 1995
    Inventor: Erwin A. Alpern