专利名称：Method and apparatus for attachment of a
door lock trim rose
发明人：William S. Massey,Rocco A. Carestia申请号：US08/431161申请日：19950428公开号：US05566996A公开日：19961022
摘要：A system for attaching door lock trim roses on inside and outside faces of adoor, has a mounting chassis with inside and outside members, each having outwardlyprojecting portions with opposed cylindrical sector arcs. Fasteners join the outsidemember to the inside member to secure both members against the outside and insidefaces of the door. Interchangeable hollow inside and outside trim roses have at least twoinwardly projecting pips close to a door contacting lip of the trim rose. Detents on theoutside member of the mounting chassis receive the pips of the outside trim rose andsecure the outside trim rose against the outside face of the door; and grooves on theinside member of the mounting chassis receive the pips of the inside trim rose. Groovesconsist of at least two undercut sites on the periphery of a cylindrical portion of theinside member and extend axially from a face of the inside member in contact with theinside face of the door a maximum distance at a first end and a minimum distance at asecond end, the undercut sites acting as portions of a screw thread in which the pips ofthe trim rose are engaged for fastening the trim rose.
申请人：SCHLAGE LOCK COMPANY
代理人：Robert F. Palermo
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