Container trailer crane
OwnerShawn Schwartzrockinventor
Life of this patent
Estimating the term…
Abstract
A container trailer crane has an apparatus that includes a base, a crane arm, an outrigger, and a mechanical ram that is used in both positioning the outrigger and the crane arm.
Claims16
A container trailer having a lifting apparatus, the lifting apparatus comprising a base, a crane arm, an outrigger, and a mechanical ram wherein the mechanical ram is used to position both the outrigger and the crane arm, the crane arm having a lifting end and a pivot end, the pivot end pivotally attached to the base such that the lifting end of the crane arm can be raised and lowered under force of the mechanical ram, the container trailer further including a locking hole and an engagement pin, the crane arm having a locked position and an unlocked position, wherein in the locked position the engagement pin is engaged in the locking hole and wherein in the unlocked position the engagement pin is not engaged in the locking hole, and in the locked position extension of the mechanical ram lowers the outrigger and retraction of the mechanical ram raises the outrigger, and in the unlocked position retraction of the mechanical ram draws the crane arm toward the outrigger and extension of the mechanical ram rotates the crane arm from the outrigger.
A container trailer having a front and a back, and having a front lifting apparatus and a back lifting apparatus, each of the lifting apparatuses comprising a base, a crane arm, an outrigger, and a mechanical ram wherein the mechanical ram is used to position both the outrigger and the crane arm, each crane arm having a lifting end and a pivot end, the pivot end pivotally attached to the base such that the lifting end of each crane arm can be raised and lowered under force of the mechanical ram
- wherein each lifting apparatus includes at least one locking hole and at least one engagement pin, each crane arm having a locked position and an unlocked position, wherein in the locked position the at least one engagement pin is engaged in the at least one locking hole and wherein in the unlocked position the at least one engagement pin is not engaged in the at least one locking hole, and in the locked position extension of the mechanical ram lowers the outrigger and retraction of the mechanical ram raises the outrigger, and in the unlocked position retraction of the mechanical ram draws the crane arm toward the outrigger and extension of the mechanical ram rotates the crane arm from the outrigger.
Dependencies are inferred from the claim text.