Spacing pad

Details Spacing pad Spacing pad

1983-05-16

1988-06-07

Massie, Jerome

Road structure, process, or apparatus

Pavement

Modules or blocks

404 41, E01C 520

Patent

active

047493020

ABSTRACT:
The invention provides in the upper portion of the spacer pad spacer ribs 7. These ribs are notched in such a manner that they will lock with alignment ribs 10 that are provided in the bottom portion of each spacer pad. When the pads are stacked, lateral movement or shifting is prevented because alignment ribs 10 fit snugly into the notches 12 of spacer ribs 7 and provide a very stable support. This alignment and interlocking of alignment ribs 10 with spacer ribs 7 is a critical feature of this invention.

REFERENCES:
patent: D259283 (1981-05-01), De Clute
patent: 2893164 (1959-07-01), Martin
patent: 3096695 (1963-07-01), Reinhardt
patent: 3676971 (1972-07-01), Dombroski
patent: 3861098 (1975-01-01), Schaub
patent: 3873225 (1975-03-01), Jakobsen et al.
patent: 3892902 (1975-07-01), Ilukowicz
patent: 4140828 (1979-02-01), Copping
patent: 4373306 (1983-02-01), Rech

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