Apparatus for joining two abutting metal members together and method of making such apparatus
AssigneeRobertshaw Controls Company
InventorsJoseph W. Lux, John M. Varanelli
Life of this patent
Estimating the term…
Abstract
An apparatus for joining two abutting metal members together by lancing and forming a part of one member through an unblanked part of the other member and thereafter staking the lanced and formed part of the one member to an adjacent surface of the other member to secure the members together in abutting relation, the apparatus having a single reciprocating head provided with a first section that performs the lancing and forming step on a first stroke of the head and provided with a second section that performs the staking step on a second stroke thereof.
Claims10
In an apparatus for joining two abutting metal members together by lancing and forming a part of one member through an unblanked part of the other member and thereafter staking said lanced and formed part of said one member to an adjacent surface of said other member to secure said members together in abutting relation, the improvement wherein said apparatus has a single reciprocating head having a first means that performs said lancing and forming step on a first stroke thereof and having a second means that performs said staking step on a second stroke thereof.
Dependencies are inferred from the claim text.