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HOLMAN IBERICA S A
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HOLMAN IBERICA S A
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Priority to ES0069563UpriorityCriticalpatent/ES69563Y/es
Publication of ES69563UpublicationCriticalpatent/ES69563U/es
Application grantedgrantedCritical
Publication of ES69563YpublicationCriticalpatent/ES69563Y/es
Un martillo perforador, caracterizado por que la pieza de choque, el émbolo, la barra de rotación y la cubierta posterior, se hallan perforados axialmente, para permitir la colocación de un tubo de paso del polvo, cuyo tubo se prolonga desde la pieza de choque a la cubierta posterior, uniéndose, en este último punto, con una manguera que queda retenida en el orificio de la cubierta por medio de una tuerca retén con muelle soporte de la manguera.