Method and device for inserting a rigid liner in a helmet shell

Details Method and device for inserting a rigid liner in a helmet shell Method and device for inserting a rigid liner in a helmet shell

1978-11-13

1980-05-27

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Assembling or joining

29235, B23P 1102

Patent

active

042043115

ABSTRACT:
The device facilitates inserting a rigid liner in a helmet shell which has an opening narrower than the liner and prevents damaging scratches on the shells interior finish. The device has a bowl-shaped based to hold the helmet shell in an inverted position beneath a hinged frame from which hangs one or more slip sheets. The slip sheets are made of smooth, flexible material which hangs from the frame to form a partial, temporary lining of the helmet. The rigid liner is shoved down into position within the helmet shell while the slip sheets act similarly to a shoehorn permitting the liner to slip into place without damaging the inside surface of the shell. The frame, including the assembled helmet, is then raised to an upper position and latched. The assembled helmet is then pulled forward freeing it from the slip sheets which remain attached to the frame ready to use in the next assembly.

REFERENCES:
patent: 865498 (1907-09-01), Kenyon
patent: 2865090 (1958-12-01), Cohn
patent: 2948226 (1960-08-01), Smirl
patent: 3097030 (1963-07-01), Hartley
patent: 3182387 (1965-05-01), Sundberg
patent: 3214811 (1965-11-01), Adinalfi
patent: 3789496 (1974-02-01), Barabas
patent: 3863326 (1975-02-01), Haberle
patent: 4127431 (1978-11-01), Susnjara

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