Boots – shoes – and leggings
Patent
1987-02-02
1989-05-30
Lall, Parshotam S.
Boots, shoes, and leggings
180169, G06F 1550
Patent
active
048356921
ABSTRACT:
A remote controlled apparatus particularly for shelf servicing within warehouses. A vehicle is provided for travelling along a path between a plurality of locations. The vehicle has drive means operable for driving the vehicle along the path. Command control means operates the drive means. The control means includes a distance measuring apparatus having an electromagnetic radiation generating unit carried by the vehicle and operable to generate an electromagnetic radiation beam. One or more radiation receiving mirrors are fixed in predetermined relationship to vehicle locations and arranged to receive and reflect back electromagnetic radiation beams from the generating unit. Upon beam reflection, with the generating unit initiates an output signal representative of the distance between the generating unit and a receiving mirror. The control means functions on the basis of the initiated output signal to generate a signal representative of a current location of the vehicle relative to a desired preselected location and to operate the drive means as necessary to move the vehicle along the path to that preselected location.
REFERENCES:
patent: 4119900 (1978-10-01), Kremnitz
patent: 4328545 (1982-05-01), Perdue
patent: 4482960 (1984-11-01), Pryor
patent: 4626995 (1986-12-01), Lofgren et al.
patent: 4630216 (1986-12-01), Tyler et al.
patent: 4679152 (1987-07-01), Perdue
patent: 4710020 (1987-12-01), Maddox et al.
Baird Richard M.
Pudney Jack L.
Black Thomas G.
Bridge & Plate Construction Pty. Ltd.
Lall Parshotam S.
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