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US 4,019,765 AGranted
Door security guard
AssigneeNichola-Vern, Inc.
InventorVernon A. Nichola
Life of this patent
Estimating the term…
Abstract
A door security guard device having a main adjustable telescoping body with a finer adjusting means consisting of screw-threaded mechanism for attachment between a doorknob and the adjacent flooring. A third point hook-up between the lower floor-engaging portion and the doorjamb is also provided.
Claims6
A security guard device for a door mounted in a doorjamb;
- a main adjustable body structure, second adjustable means provided thereon for permitting a fine adjustment of the device, means for attaching the device to a door, and further means for engaging the floor to thereby prevent the door from being opened, still further means to prevent the means for engaging the floor from slipping on same, and the means for engaging the floor including a floor-engaging foot and the still further means preventing slipping being an additional member of solid material attached between the foot and the doorjamb.
A security guard device for a door mounted in a doorjamb;
- a main adjustable body structure, second adjustable means provided thereon for permitting a fine adjustment of the device, means for attaching the device to a door, and further means for engaging the floor to thereby prevent the door from being opened, still further means to prevent the means for engaging the floor from slipping on same, the means for engaging the floor includes a floor-engaging foot and the still further means preventing slipping is an additional member between the foot and the doorjamb, and the additional member is pivotally mounted to the foot portion of the device and the doorjamb.
A security guard device for a door mounted in a doorjamb;
- a main adjustable body structure, second adjustable means provided thereon for permitting a fine adjustment of the device, means for attaching the device to a door, and further means for engaging the floor to thereby prevent the door from being opened, said attaching means to the doorknob being a hook-shaped member which substantially engages and surrounds the inner reduced portion of the knob of the door, said main adjustable body structure comprising inner and outer telescoping tubes with locking means to maintain the adjustment thereof, said second adjustable means provided on the main body structure including a screw-threaded rod having an adjusting nut thereon resting against the upper end of the outer telescoping tube, said floor-engaging means being a foot of non-skid material, together with still further means to prevent the foot engaging the floor from slipping on same and the still further means includes an additional rigid member pivotally attached between the foot and the doorjamb for securely preventing the foot from slipping away from the base of the door.
Dependencies are inferred from the claim text.