Signals and indicators – Flags and flagstaffs
Patent
1989-03-20
1991-08-13
Cuchlinski, Jr., William A.
Signals and indicators
Flags and flagstaffs
116 63P, 246477, G09F 1700
Patent
active
050387049
ABSTRACT:
The present invention provides a portable, temporary railroad signaling device which may be tenaciously secured onto a railroad rail and its use. The device includes an adjustable and fixed clamping mechanism for clasping onto a railroad rail placed therewithin, which mechanism when tightly drawn together mechanically biases and wedges the rail therebetween. The device advantageously includes a collapsible arm to mount and support a signaling unit thereupon an internal housing for stowing a signaling unit therewithin and a lock for locking the clamped device onto the rail to protect the device against unauthorized tampering.
REFERENCES:
patent: 269955 (1883-01-01), Paullin
patent: 418155 (1889-12-01), Berry
patent: 606197 (1898-06-01), Dunn
patent: 733445 (1903-07-01), Weber
patent: 1297521 (1919-03-01), Van Dresar
patent: 1320380 (1919-11-01), Currie
patent: 1396787 (1921-11-01), Shepard
patent: 1747278 (1930-02-01), Zawyruchia
patent: 2072573 (1937-03-01), Vigliotti
patent: 2441875 (1948-05-01), Faber
patent: 2499874 (1950-03-01), Peterson
Popular Mechanics, "Combined Taillight and Flagstaff Guards Implements on Highway", vol. 100 No. 6 p. 196, Dec. 1953.
Christenson Kenneth T.
Dean Thomas R.
Cuchlinski Jr. William A.
Hendrickson M. Paul
Worth W. Morris
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