PIVOTABLE AXLE
First Claim
Patent Images
1. A pivotable axle comprising:
- a. a first plate, b. front and rear pivot pins on the first plate, c. a second plate slidable on the first plate, d. a pair of arcuate intersecting slots on one of the plates, e. a traverse pin on the other plate movable in the slots, f. a pair of pivot pin seats on the second plate for cooperative alternate engagement with either of the pivot pins, g. means to move the second plate to engage either of the pivot pins alternately with the corresponding pivot pin seat, h. an axle mounted on the second plate, i. wheels mounted on the axle, j. the second plate pivotable about whichever pivot pin is engaged with either pivot pin seat, in response to direction of travel of the wheels.
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Abstract
A trailer or truck axle which prevents scuff-wear of tires by yielding to a normal course with respect to the direction of travel by being anchorable at two different pivot points.
2 Citations
3 Claims
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1. A pivotable axle comprising:
- a. a first plate, b. front and rear pivot pins on the first plate, c. a second plate slidable on the first plate, d. a pair of arcuate intersecting slots on one of the plates, e. a traverse pin on the other plate movable in the slots, f. a pair of pivot pin seats on the second plate for cooperative alternate engagement with either of the pivot pins, g. means to move the second plate to engage either of the pivot pins alternately with the corresponding pivot pin seat, h. an axle mounted on the second plate, i. wheels mounted on the axle, j. the second plate pivotable about whichever pivot pin is engaged with either pivot pin seat, in response to direction of travel of the wheels.
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2. A pivotable axle according to claim 1 in which the means to move the second plate to engage either of the pivot pins alternately with the corresponding pivot pin seat comprises:
- a. a pair of oppositely acting cylinders, b. cables operably connected to the cylinders, c. guides on the second plate for slidably receiving the cables, d. detents mounted rigidly on the cables and engagable with the guides to move the second plate.
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3. A pivotable axle according to claim 1 in which the means to move the second plate to engage either of the pivot pins alternately with the corresponding pivot pin seat comprises:
- a. a pair of oppositely acting cylinders, b. pairs of pulleys adjacent to the front and rear pivot pins on the first plate, c. a pair of peripheral guides on the second plate equidistant from one pivot pin seat, and a second pair of peripheral guides on the second plate equidistant from the opposite pivot pin seat, d. a cable attached to each of the cylinders and passing over one pulley at each of the pivot pins and through two of the guides, e. a cable also attached to each of the cylinders and passing over the other pulley at each of the pivot pins, and through the two remaining guides, f. pulleys at the outer diametrical edge of the first plate and receiving one of the cables, g. detents mounted on the cable and engagable with the guides, and operable to urge the second plate alternately toward the first and second pivot pins.
Specification
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Current AssigneeDaniel H. Herbert
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Original AssigneeDaniel H. Herbert
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InventorsHerbert, Daniel H.
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Primary Examiner(s)Friaglia, Leo
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Application NumberUS05/154,353Time in Patent Office494 DaysField of Search280/81AUS Class Current280/81.6CPC Class CodesB62D 13/005 operated from tractor steer...
