Tensioning apparatus for a lashing strap

Details Tensioning apparatus for a lashing strap Tensioning apparatus for a lashing strap

B - Operations, Transporting

66

D

B66D 1/40 (2006.01) B60P 7/08 (2006.01) F16G 11/12 (2006.01)

Patent

CA 2061351

A tensioning apparatus for the step-wise tensioning and non-stepped releasing of a lashing strap includes a frame (l; 100), a pivot lever (2) having two pivot arms (16, 16'), and a ratchet mechanism that includes ratchet wheels (3, 3') and locking pawls (5, 5'; 105, 105'). By using a plurality of locking pawls (5, 5'; 105, 105'), the tensioning apparatus is able to absorb a greater lashing force or to tension the lashing strap in locking steps which differ from the tooth pitch t. To release the lashing strap, cams (40) on the pivot arms (16, 16') of the pivot lever (2) move the locking pawls and thus the ratchet mechanism to a disengaged posi- tion. The structural height of the tensioning apparatus and the number of components required for it may be reduced by using curved locking pawls (5, 5'; 105, 105'), a curved driving pawl (20), and a leg spring (41) which serves as the sole spring element for biasing the locking pawls.

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