Adjustable bed rail member having locking arm

Claim 1

An adjustable elongated bed frame member adapted to be fastened transversely between a pair of horizontally disposed further bed frame members so as to hold said further bed frame members in spaced parallel relationship, said adjustable member comprising: a first elongate L-shaped element adapted at one end to be fastened to one of said pair of further bed frame members and comprised of first and second mutually perpendicular flat legs, said first leg being provided with a plurality of longitudinally spaced position-defining openings, a second elongate L-shaped element adapted at one end to be fastened to the other of said pair of further frame members and comprised of first and second mutually perpendicular flat legs, said first leg of said second element being provided with at least one protrusion extending outwardly from said first leg, said protrusion being adapted for respective insertion within one of said openings when like legs of said elongate elements are positioned in face-abutting engagement in a selected position of adjustment; and means for retaining said first and second elements in said selected position of adjustment, said means including a plurality of longitudinally spaced, lock apertures provided in said second leg of said second elongate element, with one of said apertures being associated with each of said openings, and a single clearance aperture provided in the corresponding second leg of said second elongate element, said retaining means further including an arm pivotally mounted at a fixed location on said first leg of said second elongate element so as to be movable toward and away from said second leg of said second element, said arm having at the end opposite said pivot locatioN a cam portion protruding therefrom transversely to the axis of said arm and to said second leg of said second element, said cam portion being brought into registry with said clearance aperture when said arm is moved toward said second leg of said second element, and being adaptable to be inserted through said clearance aperture and engage within one of said lock apertures, said clearance aperture being positioned in registry with a selected one of said lock apertures when said protrusion is positioned within said opening associated with said selected position-defining aperture, whereby said arm is manipulable to bring said transverse cam portion into engagement through said clearance aperture within said selected lock aperture to lock said first and second elongate elements in positively heldtogether relationship in a selected position of adjustment until release by pivotally moving said arm to withdraw said cam from said lock aperture and withdrawing said protrusion from the associated position-defining opening.