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OwnerRobert A. Reisdorff, Douglas L. Kotilinventors
Estimating the term…
A method of and apparatus for reinforcing wooden utility poles, having lower ends embedded in the ground, with elongate cage parts having grippers at their lower ends. The grippers are swingably secured to the cage parts for movement from a first position in which the grippers are in vertical alignment with the cage parts and can be driven into the earth to positions alongside the pole in which the grippers are beneath any weakened portions of the pole and can be swung to substantially grip the pole. The steps include forcing the cage portions down along the pole and then lifting the cage portions and thereby causing the pressure of the earth to swing the grippers to second position. The cage portions are secured to the pole above ground to form a unitary cage structure embracing the pole.
A method of reinforcing wooden utility and like poles, having lower ends embedded sufficiently deeply in the ground to normally support them in fixed position when first installed, with elongate reinforcement cages having portions with grippers at their lower ends which are swingably secured to the cage portions, for movement from a first position in which said grippers form rigid extensions of said cage portions and can be driven into the earth with said cage portions to a position alongside said pole in which said grippers are beneath weak portions of said pole adjacent groundline, to a second position in which said grippers are swung to substantially grip said pole between them, comprising:
A cage structure for reinforcing utility and like poles having lower ends embedded in the ground which may have weakened areas adjacent the ground line, or require the reinforcement because of the imposition of stresses including:
A cage part for reinforcing utility and like poles having lower ends embedded in the ground which may have weak areas adjacent the ground line, or require the reinforcement because of the imposition of stresses, comprising:
A method of reinforcing wooden utility and like poles, having lower ends embedded sufficiently deeply in the ground to normally support them in fixed position when first installed, with elongate reinforcement cages having portions with grippers at their lower ends which are swingably secured to the cage portions, for movement from a first position in which said grippers can be moved into the earth with said cage portions to a position alongside said pole in which said grippers are beneath weak portions of said pole adjacent groundline, to a second position in which said grippers are swung to substantially grip said pole between them below groundline, comprising:
A cage structure for reinforcing utility and like poles having lower ends embedded in the ground which may have weakened areas adjacent the ground line, or require the reinforcement because of the imposition of stresses including:
A cage part for reinforcing utility and like poles having lower ends embedded in the ground which may have weak areas adjacent the ground line, or require the reinforcement because of the imposition of stresses, comprising:
Dependencies are inferred from the claim text.