G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 15/00 (2006.01) B25C 11/00 (2006.01) B66F 3/36 (2006.01) B66F 11/00 (2006.01) E02D 9/02 (2006.01)
Patent
CA 2486884
This invention relates to an extraction tool used in conjunction with a standard survey tripod for the removal of Statutory Survey Iron Post (hereafter referred to as I.P.) from the ground, without damaging the same. A surveyor is required to remove I.P.'s for the purpose of determining original position, viewing legal markings, or changing the position of an I.P. according to the instructions of a legal land surveyor. When the invention is mounted onto the standard survey tripod, using a collar system, and then positioned over the I.P. to be removed, a chain of required length with a grab plate attached at one end is connected to a hand-jack at the other end by means of a chain-hook. Operation of the hand-jack exerts a downward force on the standard survey tripod, providing support, as the upward force of the chain engages the grab-plate with the I.P., pulling the I.P. from the ground with minimal effort.
Foy Carol
Foy Christopher
Foy John
Foy Carol
Foy Christopher
Foy John
Na
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