Railroad tie and tie plate with coacting grooves and projections

Details Railroad tie and tie plate with coacting grooves and projections Railroad tie and tie plate with coacting grooves and projections

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

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