초록 ▼

A grommet has a central opening and a peripheral groove defining spaced first and second peripheral lips, the opening aligned with the first peripheral lip is of increased width so that the lip may flex inwardly to allow insertion over a cell terminal post after assembly. The first peripheral lip ha

A grommet has a central opening and a peripheral groove defining spaced first and second peripheral lips, the opening aligned with the first peripheral lip is of increased width so that the lip may flex inwardly to allow insertion over a cell terminal post after assembly. The first peripheral lip has an inclined surface which cooperates with an inclined surface on the cell casing to facilitate insertion of the grommet. An electric cell including such a grommet is also disclosed.

대표청구항 ▼

An electric cell comprising a casing having a bottom, side walls and a top, said top having an inner and an outer surface, a plurality of holes in the top, a terminal post protruding through each hole, an inclined surface on the outer surface of the top and about each hole, a planar surface portion

An electric cell comprising a casing having a bottom, side walls and a top, said top having an inner and an outer surface, a plurality of holes in the top, a terminal post protruding through each hole, an inclined surface on the outer surface of the top and about each hole, a planar surface portion on the inner surface of the top about each hole and extending substantially perpendicular to the axis of the respective hole, and a grommet located in each hole sealing between the respective terminal post and the top, the grommets each including a body, an opening through the body through which the respective terminal post passes, and a peripheral groove about the body defining spaced first and second peripheral lips, said first peripheral lip engaging on the planar surface portion of the inner surface of the top, said second peripheral lip engaging on the outer surface of the top, said opening including a cylindrical portion aligned with said second peripheral lip merging into a portion of increased width aligned with the first peripheral lip, and said first peripheral lip tapering away from the peripheral groove thereby providing an annular inwardly-inclined surface, the inwardly-inclined surface on the first peripheral lip during fitting cooperating with the inclined surface on the top to facilitate insertion of the grommet, and the portion of the opening of increased width permitting the first peripheral lip to flex inwardly so as to engage the planar surface on said inner surface of the top.