Apparatus for elevating construction elements

Claim 1

Apparatus for raising and lowering construction elements, comprising a base having a horizontal bottom portion with front and rear ends and a vertical back portion extending upwardly from the rear end of the bottOm portion, there being laterally spaced inclined braces connecting the front end of the bottom portion with the upper part of the back portion, a boom pivotally connected to the rear end of said bottom portion on a horizontal axis and extending forward between said braces, a cable connected to the boom in front of said base and extending rearwardly therefrom, means supported by the upper part of said vertical portion of the base for pulling on the cable to swing the front end of the boom upwardly, a support member pivotally connected to the front end of the boom on a transverse axis for temporary attachment to a construction element, the support member being tiltable relative to the boom through an arc of at least 90*, and means carried by the boom for retaining the support member in a selected position, said bottom portion of the base being provided with front and rear openings therethrough for receiving the forks of a fork lift truck, whereby the apparatus can be lifted and carried solely by such forks without any other connection to the fork lift truck.