Appeal No. 2004-0839 Page 7
Application No. 09/347,695
As shown in Figure 6, the lower end of push tube 68 is slotted at 96 to receive a
geophone generally indicated at 98. Geophone 98 has a body 100 with lugs 102
extending laterally therefrom and connected to electrical leads 104 having ends
connected to apparatus (not shown) for measuring the seismic waves received by
geophone 98 as is well known in the art. A prong or spike 106 extends downwardly
from body 100 to facilitate entry into the earth.
Trailer 26 (see Figures 1, 4 and 5) has a seat 108 on which an operator (not
shown) of implanting device 12 may be seated. A plurality of geophones 98 may be
stored on a rack 110 on trailer 26 accessible to the operator. A hand held tool (not
shown) may be used for gripping a geophone 98 below lugs 102 and then inserting lugs
102 within slot 96 of the push tube 68. Geophone 98 is manually maintained in slot 96
by the tool until prong 106 penetrates the earth upon downward movement of push tube
68 at which time the hand held tool may be removed.
Figure 7 schematically depicts the hydraulic fluid system of the implanting
apparatus 12. The hydraulic fluid system includes a hydraulic fluid reservoir R to
supply hydraulic fluid to a pump P driven from the power take-off T of tractor 14. Fluid
is supplied from hydraulic pump P through line 112 and returned to reservoir R through
line 114. Three way valve 116 controls the flow of hydraulic fluid to cylinders 30 and
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Last modified: November 3, 2007