Traversing hoists – Overhead – Cable
Patent
1974-11-04
1976-11-02
Spar, Robert J.
Traversing hoists
Overhead
Cable
212145, E02F 332
Patent
active
039891496
ABSTRACT:
An excavating device comprising a platform for mounting a hydraulic backhoe. The device has independently operable stabilizers. The stabilizers can act to level the device for working on slopes and provide for leverage when using a backhoe bucket. The device is adapted to be readily assembled and disassembled for working within closed structures or on raised platforms.
REFERENCES:
patent: 3310181 (1967-03-01), Symmank
patent: 3351221 (1967-11-01), Smalley
patent: 3433374 (1969-03-01), Menzi
patent: 3635364 (1972-01-01), Tingleff
patent: 3768674 (1973-10-01), Menzi
Lambert Harold
Smith Neil L.
Auburn Equipment Limited
Spar Robert J.
Weaver Ross
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