Aligning bracket for underground sectional precast concrete stru

Details Aligning bracket for underground sectional precast concrete stru Aligning bracket for underground sectional precast concrete stru

1976-06-21

1977-05-10

Braun, Leslie

Static structures (e.g., buildings)

With adjunctive means for assembly or disassembly

Structure includes tool or opening to provide access for a...

52124, 52135, 52142, 521691, 52742, 33174Q, E02D 3500, E04B 135, E04G 2116

Patent

active

040219798

ABSTRACT:
An alignment bracket used in combination with an extendible pole having a hooked end provides lateral and rotational alignment for the interengagement of precast concrete sections of underground concrete structures during their construction, eliminating the need for workmen to enter an excavation for this purpose. The bracket is moved by the pole after each section is positioned to provide alignment for the next section. During alignment the sections can be moved both rotationally and laterally by workmen applying force on the bracket with the pole.

REFERENCES:
patent: 1678504 (1928-07-01), Glover
patent: 1918017 (1933-07-01), Christ
patent: 2794336 (1957-06-01), Ballon
patent: 2828618 (1958-04-01), Doescher
patent: 2886370 (1959-05-01), Liebert
patent: 3333322 (1967-08-01), Toffolon
patent: 3788026 (1974-01-01), Cook
patent: 3834110 (1974-09-01), Vercelletto

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