Attachment means of an object to a support

Details Attachment means of an object to a support Attachment means of an object to a support

1976-09-03

1977-11-01

Dixon, Harold A.

Radiant energy

Invisible radiant energy responsive electric signalling

Including a radiant energy responsive gas discharge device

250336, G01T 118

Patent

active

040567273

ABSTRACT:
A shock-, vibrations- and tampering-proof attachment means of an object, such as a signal producing insert of an ionization alarm system coaxially and non-rotatably to a support, such as for land-, marine- and air vehicles provides a spring assembly with a spring and biased coaxial protrusion in the bottom of the object with a helically wound canal running through the protrusion having end orifices in its surface. The support is provided with a U-shaped fork fixed with its yoke in it. A connecting means equipped with a rod traverses the protrusion perpendicularly to its axis. The rod is fastened to both free ends of the yoke. Optimum shapes and dimensions of the respective parts are established, also with the view of maintaining a minimum size of the object itself. The object with the fixed protrusion is mounted by rotation thereof to the support, thus hiding the attachment means and making them vibration proof and inaccessible from the outside. An attempt to disassemble the attachment by re-rotation of the object relative to the support results only firstly in moving the point of engagement of the attachment upwardly toward the vertex of the canal, simultaneously distancing the protrusion from the spring assembly and subsequently reversing the axial motion of the protrusion toward the spring assembly with the point of engagement of the attachment continuing to move to the end of the canal or channel, thus preventing axial separation and a reverse rotation without excessive force. Inventive means of adapting the attachment means to a specific ionization fire alarm system are disclosed.

REFERENCES:
patent: 2564101 (1951-08-01), Dzus
patent: 3600018 (1971-08-01), Dzus
patent: 3767917 (1973-10-01), Lampart et al.
patent: 3898716 (1972-08-01), Aylott
patent: 3985453 (1976-10-01), Nakano

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