Patents Assigned to Wolfgang Dengler
  • Patent number: 4302123
    Abstract: Clasp element consisting of a U-shaped retaining bar with beaded edges and connected with a file cover, of two slides, which are mounted slidably to and fro between a suspension setting and a stacking setting, are clippable from above onto the retaining bar and which are bringable into engagement by side webs with the beaded edges of the retaining bar, with hookshaped end sections and longitudinal webs which engage into the U-profile of the retaining bar for the formation of a central groove for flexible filing spikes, the ends of which are pluggable through openings of the retaining bar and in bent-over state lockable by the slides, wherein tongues forming a catching space for the filing spike are provided at the end of the slide pointing towards the middle of the bar, an end strip covering the cross-sectional profile of the retaining bar is provided at the end of the slide lying opposite the tongues, and wherein the central groove displays a ramp in the region of the catching space.
    Type: Grant
    Filed: November 23, 1979
    Date of Patent: November 24, 1981
    Assignee: Wolfgang Dengler
    Inventors: Wolfgang Dengler, Hans Vetter