US 5,330,300 AGranted

Articulated pivoting tie-down device

AssigneeColumbus McKinnon Corporation

InventorsLeon Jones, Gerald F. Hoffa, David E. Wilson, Les Baych, David Snyder

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Abstract

An articulated pivoting tie-down device for securing a cargo to a vehicle comprises a retainer portion secured to a vehicle, a clevis encircled by the retainer portion, a connector having a hook/cable opening and a strap opening, and a pin interconnecting the clevis and the connector and forming a common pivotal axis therebetween. A modified embodiment comprises a pin connecting a clevis and a retainer portion and forming a common pivotal axis therebetween, a connector, and a link, having a generally elliptical cross-section, which interconnects the clevis and the connector such that the clevis and the connector are generally operably co-planar. The clevis is generally semi-elliptical with its major axis parallel to the common pivotal axis. Each embodiment is adapted to maintain relative alignment to resultant binding and dynamic force vectors such that stresses induced by eccentricity are minimized or avoided in the tie-down device, thereby allowing a smaller material cross-section to be used in manufacture of the tie-down device.

Claims2

Dependent claims

A tie-down device for securing cargo to a vehicle with cable and strap tie-down, said device comprising:

(a) a retainer portion adapted to be secured to the vehicle;
said retainer portion having a generally horizontally oriented retainer portion throughbore;
(b) a clevis having a pair of clevis legs end portions, each said clevis leg end portion having a clevis leg throughbore coaxial with the other;
said clevis being generally semi-elliptically shaped with the major axis thereof generally parallel to said axis of said clevis leg throughbores;
(c) a first pin inserted through said clevis leg throughbores and said retainer portion throughbore such that said clevis and said retainer portion are pivotally connected to each other about a common axis;
(d) a connector having a first opening adapted to receive the cables of the cable tie-downs, and a second opening having a linear side adapted to receive the straps of the strap tie-downs;
said connector having a pair of connector legs terminating in generally annularly shaped connector leg end portions, each said connector leg end portion having a connector leg throughbore coaxial with the other;
(e) a second pin inserted through said connector leg throughbores;
and
(f) a link encircling said clevis and said second pin such that said connector and said clevis are pivotally connected to each other;
and
(g) wherein said connector and said link are adapted to operably and generally uninhibitedly pivot relative to said clevis in order to maintain relative alignment with resultant binding and dynamic force vectors, whether said vectors are vertical or horizontal or transverse or any orientation therebetween, induced by said cable or strap tie-downs, thereby reducing stress due to shifting of the cargo.

9 more elements

Dependencies are inferred from the claim text.