Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-07-01
2008-07-01
Pham, Toan N. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S673000, C340S870030, C002S044000
Reexamination Certificate
active
11331687
ABSTRACT:
A rescue device which attaches to the frame of a self-contained breathing apparatus carried on the back of emergency workers such as firemen, hazardous-waste cleanup crews, and other individuals entering into hostile environments. The rescue device is adapted to connect to the frame of existing self-contained breathing apparatus frames or racks. In one form, the rescue device has a top and bottom frame which connects to the SCBA frame at the top and bottom locations. The frames project around the body of the SCBA tank and extend out to position rolling elements for providing the transportation needs. The frames have at the rolling elements ends wheel forks which contain wheels having axles. In another embodiment a skid plate is attached to the ends of the frames in conjunction with the protruding wheels or by itself without rolling elements. Other ways of creating the reduction in frictional drag are provided such as a sled type configuration and a track system.
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Jellett Law PS
Jellett, Esq. Matthew
Pham Toan N.
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