Universal ammunition case trimming and preparation apparatus

摘要

A case preparation and/or trimming assembly. The assembly may include a case shoulder engagement surface and a cutter. The spacing between the case shoulder engagement surface and the cutter is adjustable for changing the amount the cutter trims from a case. A case body engaging member may have an adjustable inner diameter for engaging bodies of cases having different diameters. A kit includes a case trimming assembly and a plurality of interchangeable case bearings (e.g., collets and/or bushings) adapted for engaging cases of different sizes for guiding the cases into proper position with respect to a cutter. The case preparation apparatus includes a support member for supporting a trimming assembly of the apparatus in an upwardly inclined orientation. The case preparation apparatus includes a storage container. Associated methods are also disclosed.

主权项

1. A case trimming apparatus for trimming an ammunition case, the case including a neck having a mouth to be trimmed, a shoulder behind the mouth, and a body behind the shoulder, the case trimming apparatus comprising:
a housing; a cutter head supported by the housing for trimming the mouth of the case; and a case guide supported by the housing for guiding the case into position with respect to the cutter head for trimming the mouth of the case, the case guide including a case bearing bounding a case receiving opening sized and shaped for reception of the case in the case guide, the case receiving opening having a depth extending in a direction in which the case is receivable in the case receiving opening and a width extending transversely with respect to the depth, the case bearing including a case shoulder engagement member constructed to engage the case shoulder for determining a trim length of the case, the case bearing including a case body engagement member constructed to engage the case body for orienting the case with respect to the cutter head, the case bearing being adjustable to adjust the width of the case receiving opening to correspond to a width of the case; wherein the case bearing comprises at least two case engagement surfaces configured for engaging the case at respective positions on the case, at least one of the case engagement surfaces being movable with respect to the other of said at least two case engagement surfaces to adjust a width of the case receiving opening to correspond to a width of the case.