Pivot mask

The present invention relates to a device to rotate a previously unrotatable receiver used with helmets, preferably aircraft helmets.

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Bibliographische Detailangaben
Hauptverfasser:	NECCI RAYMOND M, CASTRO VALENTIN A
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HATS HEAD COVERINGS HEADWEAR HUMAN NECESSITIES LIFE-SAVING TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	The present invention relates to a device to rotate a previously unrotatable receiver used with helmets, preferably aircraft helmets.