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Tom Jones
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Individual
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Individual
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Publication of GB190411738ApublicationCriticalpatent/GB190411738A/en
11,738. Jones, T. May 21. Emergency-exit fastenings.-Relates to double sliding-bolt fastenings for single or double doors. A horizontal arm on the inside of the door, fits loosely at one end in a socket on the door, and is provided at the other with a knob d and piece e passing through a socket b and carrying links g<1>, g<2> which are pivoted to the flattened ends of vertically-shooting bolts a<1>, a'. When the door is fastened, the links are nearly in alignment, the door being unfastened by pressing on the arm f. The piece e and bolts a<1>, a' are retained in the unfastened position by a spring catch i fitting a recess j in the piece e.
GB190411738D1904-05-211904-05-21Improved Construction of Panic-bolt for Doors.
ExpiredGB190411738A
(en)