Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
190 words
An article transfer device comprising in combination, a track, a cradle having an arcuate support edge for rolling movement between two extreme positions on the track, said cradle having two adjacent angularly spaced beds formed integrally with said cradle to support an article, each of said beds having at least one opening therein, a first conveyor to deliver the article up to said cradle, said first conveyor extending within the opening in a first one of said two beds to deliver the article directly on to said first bed when said first bed is in a position to receive the article and said cradle is at one of its two extreme positions, a second conveyor to remove the article from said cradle, said second conveyor extending within the opening in the second bed when said second bed is in a position to deliver the article to said second conveyor and said cradle is at the other one of its two extreme positions, and a drive mechanism to roll said cradle on said track so as to carry the article along said track from said first conveyor to said second conveyor.
Claim 2
Dependent Claim
190 words
An article transfer device comprising in combination, a track, a cradle having an arcuate support edge for rolling movement between two extreme positions on the track, said cradle having two adjacent angularly spaced beds formed integrally with said cradle to support an article, each of said beds having at least one opening therein, a first conveyor to deliver the article up to said cradle, said first conveyor extending within the opening in a first one of said two beds to deliver the article directly on to said first bed when said first bed is in a position to receive the article and said cradle is at one of its two extreme positions, a second conveyor to remove the article from said cradle, said second conveyor extending within the opening in the second bed when said second bed is in a position to deliver the article to said second conveyor and said cradle is at the other one of its two extreme positions, and a drive mechanism to roll said cradle on said track so as to carry the article along said track from said first conveyor to said second conveyor.
Claim 3
Dependent Claim
44 words
The article transfer device of claim 1 in which one of said beds is in a substantially horizontal position at one of said extreme positions and the other of said beds is in a substantially horizontal position in the other of said extreme positions.
Claim 4
Dependent Claim
168 words
An article roll-over and transfer device comprising in combination, a horizontal track, a cradle having a semi-circular support edge to roll on said track between two extreme angular positions ninety degrees apart, said cradle having two mutually perpendicular beds to support an article, each of said beds having an opening therein, a loading conveyor extending into the opening in a first one of said beds to load the article directly on the said first bed when the cradle is in one of said extreme positions and said first bed is substantially horizontal, an unloading conveyor extending into the opening in the second one of said beds when the cradle is in the other of said extreme positions and when the second bed is substantially horizontal to unload the article from said second bed on to said unloading convyeor, and a drive mechanism to roll said cradle along said track simultaneously rolling over the article ninety degrees and transferring the article from said loading conveyor to said unloading conveyor.
Claim 5
Dependent Claim
168 words
An article roll-over and transfer device comprising in combination, a horizontal track, a cradle having a semi-circular support edge to roll on said track between two extreme angular positions ninety degrees apart, said cradle having two mutually perpendicular beds to support an article, each of said beds having an opening therein, a loading conveyor extending into the opening in a first one of said beds to load the article directly on the said first bed when the cradle is in one of said extreme positions and said first bed is substantially horizontal, an unloading conveyor extending into the opening in the second one of said beds when the cradle is in the other of said extreme positions and when the second bed is substantially horizontal to unload the article from said second bed on to said unloading convyeor, and a drive mechanism to roll said cradle along said track simultaneously rolling over the article ninety degrees and transferring the article from said loading conveyor to said unloading conveyor.
Claim 6
Dependent Claim
52 words
The device of claim 3 in which the center of the arc of the semi-circular edge lies substantially above the beds whereby the center of gravity of an article being rolled over does not have to be elevated significantly as the cradle is rolled through ninety degrees to roll over the article.
Claim 7
Dependent Claim
106 words
The article roll-over and transfer device of claim 3 wherein said drive mechanism comprises a hydraulic power cylinder having a piston and a piston rod, said power cylinder being pivotally connected to a fixed support, a bell crank lever pivotally attached to a fixed support and having one end connected to the piston rod of said power cylinder, and a cradle link connecting the other end of said bell crank lever and said cradle to convert the linear motion of the piston of said power cylinder to rolling motion of said cradle through a ninety degree arc of travel as said cradle rolls on said track.