Trench forming assembly having removable pin anchoring mechanism
AssigneeABT, Inc.
InventorCharles E. Gunter
Life of this patent
Estimating the term…
Abstract
An assembly for forming a trench comprising a frame having two elongated members that define a support surface and at least one opening. The assembly also includes a removable grate that is disposed on the support surface and includes a hook that is disposed proximate the opening defined by the elongated frame members. The assembly also includes a removable pin that is slidably inserted through an opening defined by an elongated member and is mechanically engaged by the hook of the grate to secure the grate to the frame.
Claims23
An assembly for forming a trench of a predetermined shape, comprising:
- a frame having two elongated members that each define a support surface and at least one opening, and a plurality of leg members attached to and spaced apart along said elongated members;
- a removable grate disposed on said support surface, said grate having an upper surface and a hook proximate a respective opening of said elongated members;
- and
- at least one removable pin slidably inserted through the opening defined by said elongated member and engaged by the hook to releaseably secure the grate to said frame, said at least one pin extending through the opening at a predetermined acute angle relative to the upper surface of said grate.
An assembly for forming a trench of a predetermined shape, comprising:
- a frame having two elongated members that each define a support surface and at least one opening, at least one sleeve member attached to and spaced apart along said elongated members and defining a passageway aligned with said at least one opening defined by said elongated members, and at least one leg member attached to each elongated member;
- a removable grate disposed on said support surface, said grate comprising at least one hook proximate a respective opening of said elongated members;
- and
- at least one removable pin slidably inserted through the respective opening defined by an elongated member and through the passageway defined by said at least one sleeve member and engaged by said at least one hook to releaseably secure the grate to said frame.
Dependencies are inferred from the claim text.