US 12,220,015 B2
Hard hat lamp attachment system
Steven W. Hyma, Milwaukee, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed on Jan. 3, 2024, as Appl. No. 18/403,141.
Application 18/403,141 is a continuation of application No. 18/068,159, filed on Dec. 19, 2022, granted, now 11,896,075.
Application 18/068,159 is a continuation of application No. 17/523,277, filed on Nov. 10, 2021, granted, now 11,528,952.
Application 17/523,277 is a continuation of application No. 16/706,410, filed on Dec. 6, 2019, granted, now 11,213,087.
Application 16/706,410 is a continuation of application No. PCT/US2019/062464, filed on Nov. 20, 2019.
Claims priority of provisional application 62/770,466, filed on Nov. 21, 2018.
Prior Publication US 2024/0130457 A1, Apr. 25, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A42B 3/04 (2006.01)
CPC A42B 3/044 (2013.01) [A42B 3/0406 (2013.01); A42B 3/042 (2013.01); A42B 3/0426 (2013.01); A42B 3/0446 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hard hat system, comprising:
a hard hat comprising:
an exterior surface;
an interior surface defining a cavity, the cavity configured to receive a head of a wearer;
a crown comprising a front side and a rear side, the crown configured to cover part of the head of the wearer, wherein a bottom portion of the crown defines a lower circumference along the exterior surface;
a mounting ridge extending outward from at least one of the front side and the rear side of the exterior surface of the hard hat, the mounting ridge comprising a first edge spaced apart from the exterior surface and a second edge spaced apart from the exterior surface; and
an auxiliary mounting ridge positioned on a lateral side of the bottom portion of the crown, the auxiliary mounting ridge comprising:
a plurality of mounting ports positioned along the auxiliary mounting ridge;
wherein the mounting ridge and the auxiliary mounting ridge are each configured to support and couple an accessory to the hard hat.