A demountable countersunk assembly system and method of use for joining substantially perpendicular tubular members including a first tubular member with a hole passing through the tube at the location of the join; a boss member adapted to be inserted in the first tubular member in line with the hole; the boss having a countersink forming face; a bolt with a countersunk head adapted to pass through the tube and the boss to engage a nut wherein on tightening the bolt in the nut swages a countersink in the first tube whereby the boss is also held captive in the first tubular member; wherein on removal of the nut, the bolt can be screwed into a threaded stud to connect the first tubular member to a second tubular member.
Demountable boss formed countersunk assembly system
2017-05-18
Patent
Electronic Resource
English
IPC: | F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / E04B Allgemeine Baukonstruktionen , GENERAL BUILDING CONSTRUCTIONS / E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS , Ausbau von Bauwerken, z.B. Treppen, Fußböden |
Countersunk headscrew retainer
NTRS | 1969
|RIVET - TUBULAR, COUNTERSUNK, AS7232
SAE Technical Papers | 2012