Patent ID: 11859749
Assignee: ILLINOIS TOOL WORKS INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC F  B  H | IPC B  F  H

Claim 11:
12. A grommet assembly configured to be installed within an opening, the grommet assembly comprising:
a grommet including a platform, a panel portion extending from a first surface of the platform, and a ring portion extending from a second surface of the platform and having an outer surface, wherein a protrusion is arranged on and extends from the first surface of the platform, wherein the panel portion includes a plurality of retention arms arranged partially within a cutout, the cutout disposed circumferentially around the panel portion, and wherein the ring portion defines a passageway having a center axis and includes a plurality of grommet clamping features arranged circumferentially around the outer surface of the ring portion and extending radially outward away from the center axis;
a primary seal extending around a periphery of the grommet; and
a lock ring including a locking flange or tab and a central hub having a plurality of ring clamping features arranged around the central hub, wherein selective displacement of the lock ring relative to the grommet is configured to engage each one of the plurality of ring clamping features with a corresponding one of the plurality of grommet clamping features to fasten the lock ring to the grommet and form a secondary seal between the grommet and the lock ring, and
wherein the locking flange or tab is configured to, upon displacement of the lock ring relative to the grommet, flex relative to the platform to provide an indication that the lock ring is fastened to the grommet.