Interconnectable molecular models and a fastener for connecting

Details Interconnectable molecular models and a fastener for connecting Interconnectable molecular models and a fastener for connecting

1977-08-26

1981-01-20

Kundrat, Andrew V.

Joints and connections

Distinct end coupler

Plural opposed sockets

403348, F16D 112

Patent

active

042459206

ABSTRACT:
A mechanical fastener is disclosed for joining two plugs in coaxial alignment and in a plurality of relative orientations. The fastener is particularly adapted for use in joining models of molecular constituents to assemble models of larger molecular structures. Models of molecular constituents are disclosed which incorporate a plug having a generally cylindrical shank extending along an axis corresponding to a chemical bond and at least one tab projecting outward from the surface of the shank. Broadly, the fastener comprises a hollow housing which includes a first and a second end wall and a side wall extending between the two end walls. The end walls and the side wall define a cavity within the housing. Each end wall has a plug-receptacle opening passing through it shaped and dimensioned to receive a plug. The surface of each end wall which faces the cavity has a plurality of grooves therein extending radially outwardly from the plug-receptacle opening and spaced apart azimuthally around the opening. The grooves are oriented and configured to accommodate the tab from the plug.

REFERENCES:
patent: 645079 (1900-03-01), Finley
patent: 1199690 (1916-09-01), Gillan
patent: 1670654 (1928-05-01), Delaney
patent: 2015559 (1935-09-01), Holm
patent: 2438313 (1948-03-01), Burton
patent: 3333349 (1967-08-01), Brumlik
patent: 3393795 (1968-07-01), Covert, Jr.
patent: 3510962 (1970-05-01), Sato
patent: 4030209 (1977-06-01), Dreiding

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