Patent ID: 9574309
Date: 2017-02-21
CPC Classifications: E01C,E04B

Claim:
1. A concrete dowel device, comprising: a sleeve configured for attachment to a concrete form prior to pouring a first concrete slab against the form, the sleeve defining a socket extending in a first direction configured for placement to extend into the first concrete slab and a flange extending in a second direction transverse to the first direction configured for alignment with and placement against the form; the flange defining an opening to the socket and comprising nail guides for supporting nails in position for hammering the nails into the form to attach the sleeve to the form; a plate having a portion configured to be received through the opening into the socket of the sleeve after the first concrete slab has set and the form has been removed from the sleeve; wherein the socket of the sleeve is wider than the portion of the plate configured to be received within the socket; further comprising break-away alignment tabs aligned with the flange and extending into the opening to the socket to guide alignment of the plate when inserted into the sleeve absent additional alignment structures along the interior side walls of the socket.