Device for the removable fastening of a plate-shaped component o

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Headed fastener element with securing means and biasing spring

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24453, 24593, 24596, 403348, 4034061, 411553, F16B 2100

Patent

active

048012327

ABSTRACT:
Device for the removable fastening of a plate-shaped component onto a base with a T-groove open in the direction of the component. The invention consists of a pot-shaped receiving element, a head-bolt, a spring element arranged in the receiving-element and a cross bar arranged at the free end of the shaft of the head-bolt. The cross-bar is insertable in the T-groove and movable against the force of the spring element in the direction of the T-groove floor and engageable behind the shoulders of the T-groove by turning through 90.degree.. In accordance with the invention, the cross-bar has at least one stop interacting with one edge of the aperture of the T-groove in front of the head-bolt shaft end bearing the cross-bar. This stop prevents the continued turning of the head bolt after attainment of the locked position. The pot-shaped receiving element and the cross-bar are fitted with interacting means of guidance in such a way that the cross-bar can be moved axially from its locked position into its unlocked position, under guidance, by a turning movement of 90.degree..

REFERENCES:
patent: 1594776 (1926-08-01), Hagger
patent: 1652575 (1927-12-01), McGinley
patent: 1671241 (1928-05-01), Hagger
patent: 2216385 (1940-10-01), Chobert
patent: 2368799 (1945-02-01), Barlow
patent: 2424265 (1947-07-01), Allen
patent: 2884677 (1959-05-01), Zahodiakin
patent: 4442571 (1984-04-01), Davis et al.
patent: 4664252 (1987-05-01), Galbraith

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