Manhole casting positioning apparatus

Details Manhole casting positioning apparatus Manhole casting positioning apparatus

1985-08-22

1987-05-19

Novosad, Stephen J.

Road structure, process, or apparatus

Pavement

Vault cover-closure

404 25, E02O 2914

Patent

active

046663339

ABSTRACT:
The present invention provides a casting positioning apparatus, which is used to position a casting in relation to an upper end of manhole. The apparatus includes a sleeve unit which has open upper and lower ends, and which is moveable in lateral dimensions between a first position and a second position. In the first position, the lower end of the sleeve unit can freely engage with the upper end of the manhole. In the second position, the upper end of the sleeve unit can support the casting in a position mounted on it, while at the same time an engaging section of the lower end of the sleeve unit can frictionally engage against a side of the upper end of the manhole. Such frictional engagement is with sufficient force such that the sleeve and the mounted casting can be supported by such engagement, while allowing the upper end of the sleeve to be moved with respect to the upper end of the manhole. By such means, the casting can be positioned with respect to the upper end of the manhole. A sleeve unit adjusting means is additionally provided for retaining the sleeve unit in the second position.

REFERENCES:
patent: 2166632 (1939-07-01), Hardesty et al.
patent: 4050839 (1977-09-01), Vollmar

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