Patent ID: 9327947
Filing Date: 2016-05-03
CPC Classification: B66C

Claim Text:
1. A lifting crane apparatus for attachment to a vehicle, comprising: a base plate adapted to be connected to a vehicle cargo area; an upstanding, hollow post extending from said base plate; a lifting boom having a vertical portion and a telescoping arm portion; said vertical portion of said lifting boom adapted to be received by said upstanding post and pivotably supported thereby; said telescoping arm portion having an inner and outer member that slidably engage and lock together to change a length of said telescoping arm portion; a hoist mechanism comprising a spool; a cable extending from said spool and supported along said upstanding post and lifting boom by at least one pulley and at least one eyelet guide; a lifting hook attached to a distal end of said cable; a first pin locking mechanism to secure said telescoping arm portion to a static length; a second pin locking mechanism to secure said lifting boom vertical portion to said upstanding post in a static relationship; the second pin locking mechanism comprising a first sleeve member disposed on the hollow post and a second sleeve member disposed on the vertical portion of the lifting boom; a removable pin member that is vertically inserted through the first sleeve member and the second sleeve member when the first sleeve member and the second sleeve member are aligned.