Grade stake line cap device

Details Grade stake line cap device Grade stake line cap device

1995-06-07

1997-04-22

Bennett, G. Bradley

Geometrical instruments

Indicator of direction of force traversing natural media

With cord-type straight-line guide or holder therefor

33 1LE, G01C 1500

Patent

active

056219768

ABSTRACT:
A device having a top end and a bottom end is characterized by a longitudinal bore extending into the device from the bottom end a particular distance and adapted for receiving a contractor's grade stake therein, which bore is intercepted at its top end by a slot extending through the device from a one side to an opposite side thereof and configured to accept a contractor's grade line therethrough in a manner to maintain the line on the top surface of the grade stake within the bore such that a particular grade level as between at least two grade stakes which each carry a device on their top ends may be maintained via the line extending between them.

REFERENCES:
patent: 360247 (1887-03-01), Reichenbach
patent: 603157 (1898-04-01), Spitzenberg
patent: 1466563 (1923-08-01), Rutherford
patent: 2632954 (1953-03-01), Lieberman
patent: 2872733 (1959-02-01), Chew
patent: 3015890 (1962-01-01), McCaskill
patent: 3250009 (1966-05-01), Oseka
patent: 4057903 (1977-11-01), Cantera
patent: 4231156 (1980-11-01), Cooper
patent: 5173004 (1992-12-01), Fahrenkrog

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