
Specification for hand operated plate sided winches
出版:British Standards Institution

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Performance required and available; tests. Safe working load related to torque at handles and number of men to lift load. Length, grip, maximum turning circle of winding handles. Brake, with restraining torque and application effort. Operational and static tests. Marking. Information to be supplied with the enquiry or order and tender; gear tooth formula; contracts, care and safe use of hand winch.
? British Standards Institution 2013