US 11,834,804 B1
Retainer plate and retention pin for trench shoring securement
Thomas Malloy, Villa Park, CA (US)
Assigned to Tom Malloy Corporation, Compton, CA (US)
Filed by Tom Malloy Corporation, Compton, CA (US)
Filed on Sep. 1, 2022, as Appl. No. 17/929,266.
Int. Cl. E02D 17/08 (2006.01)
CPC E02D 17/083 (2013.01) 20 Claims
OG exemplary drawing
 
1. A trench shield securement device, comprising:
a retention pin; and
a retainer plate;
wherein said retainer plate comprises an opening that is configured to surround and engage a trench shield top box pipe socket and a trench shield base box pipe socket that have been aligned and stacked; and
wherein, after said retainer plate is engaged with said aligned and stacked pipe sockets, said retention pin is configured to be inserted into a center opening of said top box pipe socket and into a center opening of said base box pipe socket, such that said retainer plate is held substantially in place.