(under subclass 340) Keepers having provisions, other than mere means for manually adjusting the position of the keeper, for decreasing noise caused by rattling of the bolt in the keeper or by play between the door and jamb. Also includes means to decrease the noise accompanying closing of the door or throwing the latch bolt.
SEE OR SEARCH THIS CLASS, SUBCLASS:
341.15+, for devices in which the striker is moveably mounted so as to be pushed aside by the latch bolt when the door is moved to a closed position.
341.18+, for means for adjusting the position of the keeper which may reduce or prevent rattling.
SEE OR SEARCH CLASS
16, Miscellaneous Hardware, 82+, for closure checks or buffers and antislamming devices.
