Positioning device

Details Positioning device Positioning device

1984-08-02

1989-09-19

Scherbel, David A.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Spacer-positioner; e.g., rebar chair

405260, 411427, E02D 574

Patent

active

048669032

ABSTRACT:
A centering device to locate and center a reinforcing thread bar in a hole formed in an excavation to receive a foundation of a building. The device has a body having a band of appreciable thickness formed on its periphery. There is central opening. A thread is formed in the central opening to engage the thread of a reinforcing thread bar. Sloping portions extend from the peripheral band, inwardly to the central opening. Openings allow concrete to pass by the device while the device is positioned in the hole.

REFERENCES:
patent: 2591631 (1952-04-01), Stanitski
patent: 3020955 (1962-02-01), Tausch
patent: 3115727 (1963-12-01), Middendorf
patent: 3292335 (1966-12-01), Stober
patent: 3491497 (1970-01-01), Bauer
patent: 3721094 (1973-03-01), Elders et al.
patent: 3971177 (1976-07-01), Endo
patent: 4027572 (1977-06-01), Burge
patent: 4042023 (1977-08-01), Fox
patent: 4247225 (1981-01-01), Chickini, Jr. et al.
patent: 4360292 (1982-11-01), Keeler et al.
patent: 4483395 (1984-11-01), Kramer et al.

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