Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Impact driven fastener – e.g. – nail – spike – tack – etc. – Including integral locking means
Patent
1990-04-23
1991-09-10
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Impact driven fastener, e.g., nail, spike, tack, etc.
Including integral locking means
411473, 411483, 238349, 238366, F16B 1506, E01B 900, E01B 1300
Patent
active
050469070
ABSTRACT:
A one-piece single- or double-shank spring clip, which is used for elastic rail mounting for positively and elastically anchoring a rail relative to a tie plate without using any screws, said tie plate including fastening holes and the spring clip being adapted to be brought into engagement with said fastening holes in the area of its shank, consists of a bent steel rod, which is provided with one or with two spring loop(s) holding down the rail foot. The spring clip has one or two shanks, which are followed by one or two spring loops for holding down the rail foot, the shank being defined by a steel rod member bent by 180.degree. and having, at its lower end in the area of the 180.degree.-bend, one or several projection(s) adapted to engage the tie plate underside, which faces away from the rail, in the area of the fastening hole (FIG. 2).
REFERENCES:
patent: 2194590 (1940-03-01), Dawson
patent: 2257640 (1941-09-01), Muller
patent: 2290993 (1942-07-01), Preston
patent: 2450559 (1948-10-01), Parsons
patent: 2780416 (1957-02-01), Hodel
patent: 2890833 (1959-06-01), Wirsing
patent: 4339077 (1982-07-01), Dahlhaus et al.
patent: 4714195 (1987-12-01), Creutz et al.
Lochschmidt Oswald
von Lange Hans J.
Von Lange Hans J.
Wilson Neill R.
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