DRAFT APPARATUS
PURPOSE:To provide a draft apparatus where serrated uneven parts are formed on the surfaces fitted with a top arm and retainer to be hooked, thus making roller interval change easy, also ensuring the rollers to be parallel. CONSTITUTION:When a top arm 4 is fitted with rollers 7-11 through a retainer...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To provide a draft apparatus where serrated uneven parts are formed on the surfaces fitted with a top arm and retainer to be hooked, thus making roller interval change easy, also ensuring the rollers to be parallel. CONSTITUTION:When a top arm 4 is fitted with rollers 7-11 through a retainer 6, the both surfaces where said top arm 4 and retainer 6 come into contact are provided with uneven parts 4a and 6a, respectively, the top arm 4 is pro vided with a long hole 4b with penetration, and with a screw 12 put through this hole, the retainer 6 is fixed on the top arm 4. |
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