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| Number | Title | Issue Date |
| 6918723 | Shaft/hub connection The shaft is connected to the shaft attachment by a thread. A bore with an internal thread is incorporated in the shaft attachment and the shaft has a corresponding stem which can be introduced into the threaded bore and has an external thread. An axial stop is arra... | 07/19/2005 |
| 4579491 | Blind fastener assembly A blind fastener assembly is disclosed, which is suitable for use in joint assemblies including advanced composite materials. The fastener assembly includes a pin, an expander, a sleeve, and an expandable washer, each of which have an initial diameter whi... | 04/01/1986 |
| 4340330 | Straddling dowel Disclosed is a straddling dowel, of plastic, having a continuous screw insertion hole and several expansion segments that are formed by longitudinal slits in the dowel body and which extend from the circular head portion to the circular foot portion of th... | 07/20/1982 |
| 4291608 | Expansion dowel An expansion dowel consists of an axially extending dowel body with a spreading member at its leading end and an expansion member extending around the dowel body rearwardly of the spreading member. A helically arranged control cam surface is formed on the... | 09/29/1981 |
| 4065996 | Anchoring device for use in masonry and like structures A first element is adapted to be received and anchored in a hole of a structure, and a second element has a first portion located in the hole and secured in the first element, and a second portion having a part which extends outwardly from the hole and is... | 01/03/1978 |
| 4004486 | Quick release fastener A fastener assembly for use in the blind fastening of first and second parts having aligned apertures extending therethrough with the aperture in the second part being larger than the aperture in the first part. A stud member with a screw threaded shank i... | 01/25/1977 |
| 3968721 | Expansion anchor with safety feature An expansion anchor for use in concrete structures includes an anchor sleeve in form of a wire block spring which is to be inserted into an expansion anchor hole. A conically tapering expander member is located at the leading end of this spring, and a bol... | 07/13/1976 |
| 3955464 | Expansible anchor for securing an object to a support structure An expansion anchor sleeve has a leading end and a trailing end and can be inserted into an anchoring hole of a support structure. An expander member is located at the leading end and can be drawn into the same by a screw extending through the sleeve and ... | 05/11/1976 |
