Lifting tackle

Details Lifting tackle Lifting tackle

1977-07-12

1978-10-31

Keenan, Michael J.

Implements or apparatus for applying pushing or pulling force

Portable implements or apparatus for tensioning flexible...

29428, B66D 308

Patent

active

041230418

ABSTRACT:
A method and lifting tackle for raising a load into contact with the underside of an I section girder or beam to allow the brackets of each pair to rest together on assembly on small girders.

REFERENCES:
patent: 947441 (1910-01-01), Hankin et al.
patent: 1955942 (1934-04-01), Bush
patent: 2307681 (1943-01-01), Kalmbach
patent: 2841020 (1958-07-01), Van Deventer
patent: 3561717 (1971-02-01), Frederick et al.
patent: 4019705 (1977-04-01), Habuda, Sr.

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