Self-tensioning tie down system

Details Self-tensioning tie down system Self-tensioning tie down system

2011-07-05

2011-07-05

Gordon, Stephen (Department: 3612)

Freight accommodation on freight carrier

Load lashing retainer or load lashing adjunct

Anchor

C410S100000

Reexamination Certificate

active

07972099

ABSTRACT:
A self-tensioning tie down assembly and safety system for tightening the retaining straps securing cargo on a carrier. Retaining straps are connected to winches connected to the carrier. A ratchet system is used to tighten the winch. A two bar torque linkage has a ratchet arm connectable to the ratchet wheel of the winch via a socket and has a connector arm connected to an actuator. The actuator is connected to a pneumatic/electrical circuit and provides reciprocating linear motion thereby actuating the torque linkage. The torque linkage may be set in a tightening or loosening position. The required tension level of the retaining strap is pre-set. Pressure within the circuit drives the actuator thereby actuating the torque linkage which tightens the strap on the winch until the tension level is reached. Signals are sent to a display panel to indicate when a strap is loose.

REFERENCES:
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patent: 5860777 (1999-01-01), Walsh et al.
patent: 2003/0031524 (2003-02-01), Brunet
patent: 1065837 (1979-11-01), None
patent: 2385491 (2003-07-01), None
patent: 1371521 (2003-12-01), None
patent: 305415 (1968-10-01), None

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