Freight accommodation on freight carrier – Load bracing means – Brace bar – wall-to-wall
Reexamination Certificate
2000-07-04
2001-06-19
Gordon, Stephen T. (Department: 3612)
Freight accommodation on freight carrier
Load bracing means
Brace bar, wall-to-wall
C410S143000
Reexamination Certificate
active
06247882
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a bracing device and more particularly to a cargo bracing device.
2. Description of the Prior Art
Typical cargo bracing devices comprise a rod slidably received in a tube, and a lever or the like rotatably secured to the tube and having a gear engaged with the rod for moving the rod relative to the tube. A complicated ratchet device is required to be provided and secured to the tube and engaged with the rod for securing or positioning the rod to the tube when the gear of the lever is disengaged from the rod and is to be engaged with the other portion of the rod.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional cargo bracing devices.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a cargo bracing device having a simplified configuration for allowing the cargo bracing device to be easily and quickly and cheaply manufactured.
In accordance with one aspect of the invention, there is provided a bracing device comprising a tube including a first end, a rod slidably received in the tube and slidably engaged into the tube via the first end of the tube, the rod including a plurality of depressions formed therein, a level pivotally secured to the first end of the tube and including a pawl provided thereon for engaging with either of the depressions of the rod and for securing the rod to the tube, a blade pivotally secured to the first end of the tube and including a bulge extended therefrom for engaging with either of the depressions of the rod, and a shaft slidably received in the first end of the tube and engaged with the blade for biasing the bulge to engage with either of the depressions of the rod, the shaft being selectively engaged with the lever for forcing the pawl of the lever to engage with either of the depressions of the rod and to secure the rod to the tube, and for selectively releasing the pawl of the lever from the depressions of the rod and for allowing the rod to be moved relative to the tube.
The tube includes a sleeve secured to the first end and having two flaps for slidably receiving the shaft. The shaft includes a pole extended therefrom and having a size smaller than that of the shaft, the pawl of the lever is forced to engage with either of the depressions of the rod when the lever is engaged with the shaft, and the pawl is allowed to be disengaged from the depressions of the rod when the pole of the shaft is moved to be engaged with the lever.
A first flap includes an orifice for receiving the shaft, a second flap includes an aperture having a size smaller than that of the orifice of the first flap for slidably receiving the pole. The pole includes a first groove and at least one second groove formed therein, the blade includes a projection for selectively engaged into the first groove and the second groove.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.
REFERENCES:
patent: 4669934 (1987-06-01), Wisecarrer
patent: 5094576 (1992-03-01), Fredelius
patent: 5443342 (1995-08-01), Huang
patent: 5769580 (1998-06-01), Purris
patent: 5947666 (1999-09-01), Huang
patent: 5988963 (1999-11-01), Shiau
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