Railways: surface track – Tie-plates – Anchors
Patent
1977-04-07
1978-08-22
Hoffman, Drayton E.
Railways: surface track
Tie-plates
Anchors
238 45, E01B 1302
Patent
active
041083784
ABSTRACT:
A railroad tie and an assembly thereof with at least one tie plate wherein the wooden tie has rabbetted recesses formed in the top face thereof to receive the tie plates and these recesses are characterized by each having precut or machined grooves for receiving ridges projecting from the bottom of the tie plate. The assembly includes a wooden tie having a rabbetted recess formed in the top face and adjacent each end thereof, each recess has a flat intermediate face having a pair of grooves machined or precut therein and laterally spaced from each other lengthwise of the tie, and a tie plate seating in each recess and having a pair of ridges projecting from the bottom thereof and engaging into the corresponding grooves.
REFERENCES:
patent: 1073773 (1913-09-01), Mc Gonigal
patent: 1669440 (1928-05-01), Bell et al.
patent: 2038919 (1936-04-01), Boyce
patent: 2357629 (1944-09-01), Cantrell et al.
patent: 3055590 (1962-09-01), Mitman
patent: 3544006 (1970-12-01), Pennino
Hoffman Drayton E.
Rowold Carl
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