Railway rolling stock – Car framing and structure – Freight
Patent
1976-10-26
1978-05-30
Makay, Albert J.
Railway rolling stock
Car framing and structure
Freight
24221R, 244115, B60P 708
Patent
active
040917444
ABSTRACT:
A portable tie-down device detachably mounted to a recessed anchor having a plurality of crossbars. The tie-down device includes a stationary stabilizer plate having a like plurality of depending torque lugs engaging the sides of the crossbars and a body member rotatable between two positions and having a like plurality of engaging dogs alignable with the torque lugs in one position and engageable with the anchor crossbars in the other position for detachably securing the tie-down device to the anchor. A manually operable locking bolt carried by the body member and selectively engageable with a locking groove in the stabilizer mechanically locks the rotatable body member to the stabilizer on the one position, thereby locking the tie-down device to the anchor. The locking bolt is provided with a handle having a weighted element at its free end which lies flush with the top surface of the stabilizer plate in its locked position and extends upright in its unlocked position, thereby visibly indicating that the tie-down device is either locked or unlocked to the anchor.
REFERENCES:
patent: 1719136 (1929-07-01), Rosenberg
patent: 2086928 (1937-07-01), Tiryakian
patent: 2664611 (1954-10-01), Shomber
patent: 2962245 (1960-11-01), Molzan et al.
patent: 3125965 (1964-03-01), Penti et al.
patent: 3331333 (1967-07-01), Coulson
patent: 3701562 (1972-10-01), Carr
Corbin Christopher L. T.
Crissy Charles F.
Aeroquip Corporation
Makay Albert J.
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