Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1977-01-14
1978-09-26
Tomsky, Stephen J.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
33 1SD, 235 85R, 235 89R, G06C 300, G06G 114
Patent
active
041173139
ABSTRACT:
A calculator for facilitating the layout of parking lot stalls of desired length and width at a desired angle. The calculator includes a first member having orthogonal length and width scales as well as angle indicators relating to desired stall angle. A second member is pivotable on the first, and includes indicia related to desired stall length and width. The second member is positioned for pivoting on the first, is aligned according to the desired stall data to provide a direct readout of the orthogonal length and width dimensions necessary to lay out the stalls.
REFERENCES:
patent: 1560963 (1925-11-01), Art
patent: 3339838 (1967-09-01), Skuderna
patent: 3559881 (1971-02-01), Maison
patent: 3812586 (1974-05-01), Itokawa
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