Improvements in or relating to a locking mechanism for securing a mineral-cutting bit in a bit holder

Improvements in or relating to a locking mechanism for securing a mineral-cutting bit in a bit holder

971,547. Mineral-mining pick securing means. E. & E. MINE SERVICE CO. Aug. 1, 1961, No. 27866/61. Heading E1F. A pick is secured in a pick box by a pin 27, 30 engaging in a detent 32 in the shank 15 of the pick, the pin 27, 30 being press fitted into an apertured, resilient, flanged plug 24 secu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: ELDERS GERALD WAYNE
Format: Patent
Sprache:eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Beschreibung
Zusammenfassung:971,547. Mineral-mining pick securing means. E. & E. MINE SERVICE CO. Aug. 1, 1961, No. 27866/61. Heading E1F. A pick is secured in a pick box by a pin 27, 30 engaging in a detent 32 in the shank 15 of the pick, the pin 27, 30 being press fitted into an apertured, resilient, flanged plug 24 secured in an opening of complementary shape to the plug and extending laterally from the pick shankreceiving bore in the pick box.