초록 ▼

A security device for preventing the unauthorized opening of swinging doors. The device has two members, each of which includes two parallel tubes and a rectangular metal plate or web. Each pair of tubes is welded to the respective opposite side edges of its metal plate, and the device is adapted to

A security device for preventing the unauthorized opening of swinging doors. The device has two members, each of which includes two parallel tubes and a rectangular metal plate or web. Each pair of tubes is welded to the respective opposite side edges of its metal plate, and the device is adapted to slide along the floor beneath a door when the door is opened with the tubes of each pair upon opposite sides of the door. The tubes of one member are smaller than those of the other, and the pair of smaller tubes extend beyond their plate toward the other member, and are inserted into the respective larger tubes to a nested position. The overall length of the device is then such that the door can be closed. The members are then moved relative to each other from the nested position, i.e., longitudinally of the pipes so as to span the width of the door. Each pair of pipes has extensions beyond the plate which are then positioned upon opposite sides of the door frames. The two members are then secured in that relative position so that the door cannot be opened.

대표청구항 ▼

A security device for a swinging door comprising the combination of, a pair of cooperating security members each of which comprises a pair of generally parallel laterally spaced elongated members adapted to be positioned on opposite sides of a door and interconnecting means rigidly secured to its as

A security device for a swinging door comprising the combination of, a pair of cooperating security members each of which comprises a pair of generally parallel laterally spaced elongated members adapted to be positioned on opposite sides of a door and interconnecting means rigidly secured to its associated pair of elongated members, said interconnecting means being adapted to slide beneath a door when the door is partially or fully opened and interconnecting their respective associated elongated members on opposite sides of the doors when the door is closed, said elongated members in each pair having first end portions dimensioned to be telescopically engaged with each other whereby the overall length of the security device may be adjusted, each of said elongated members having second end portions opposite said first end portions which extends beyond their associated interconnecting means and is adapted to extend beyond the vertical edge of the door along an adjacent frame or wall structure, whereby said members form a rigid telescopic structure along the sides of the door in the zone into which the door swings when the door is being opened, and means for releasably retaining said members any of a plurality of selected adjusted telescopic relative positions with said second end portions adjacent the frame of the door, whereby said pair of members limit relative movement between a door and its frame to secure the door from being opened.