Implements or apparatus for applying pushing or pulling force – Special engaging elements – Sharing props
Patent
1991-08-12
1993-06-01
Swann, J. J.
Implements or apparatus for applying pushing or pulling force
Special engaging elements
Sharing props
254113, 254116, 254134, B66F 300
Patent
active
052152880
ABSTRACT:
A load bar (10) comprises a hollow main body (11) having a first and a second open end (21, 22). A first arm (12) is received through the first open end (21) of the main body (11), and is laterally movable therein. A second arm (13) is received through the second open end (22) of the main body and is also laterally movable therein. The positions of the first arm (12) and the second arm (13) with respect to the main body (11) and with respect to each other are releasably securable and adjustable. Also, a bulkhead is provided comprising a load bar (10) as above, and further comprising a header wall (80).
REFERENCES:
patent: 590774 (1897-09-01), Rexroth
patent: 1221205 (1917-04-01), Moore et al.
patent: 1231462 (1917-06-01), Tutwiler
patent: 2678803 (1954-05-01), Wilkerson
patent: 2820626 (1958-01-01), Hedeen
patent: 3995565 (1976-12-01), Kersey
patent: 4660806 (1987-04-01), Masters
patent: 4901989 (1990-02-01), Stellato
Roadway Express, Inc.
Swann J. J.
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