Container for a maintenance-free battery
A battery container for a battery comprising, in combination: a container base including side walls forming a compartment for the battery; means for enclosing said container base including a cover member having a top surface, a bottom surface adapted for engaging the side wall of said container base, a recess on said top surface defining a first opposing surface, and at least one filler well portion extending from said recess to the interior of the battery container, and a flange portion generally surrounding said filler well portion; a vent cover including a generally flat body portion seated within said recess and dimensionled to provide a gas escape gap between the side walls of said recess and the side walls of said vent cover, and a bottom surface defining a second opposing surface; venting means including at least one vent plug portion projecting from said bottom surface of said vent cover body portion, said one vent plug portion having a sidewall extending through said filler well into the interior of the battery container, and an axially directed recess between said vent plug sidewall and filler well for establishing a first passageway for conveying gases egressing from said battery container, said vent plug portion including a lug portion which cooperates with said flange portion to secure said vent cover to said means for enclosing said container base; and means including at least one rib portion on at least one of said opposing surface for spacing said bottom surface of said vent cover from said first opposing surface of said recess to form a second passageway, said second passageway providing gas passing communication between said first passageway and said gas escape gap.
- Assignee:
- Richardson Co The
- Patent Number(s):
- US 4214045
- OSTI ID:
- 5045368
- Resource Relation:
- Patent File Date: Filed date 21 Aug 1978
- Country of Publication:
- United States
- Language:
- English
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