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Automatic tensioner e.g. screwed belt-chain tensioner, for belt-chain drive of e.g. vehicle, has tension pulley provided for chain/belt, where pulley is rotatably fastened at sliding block and tensioned against chain/belt by spring force
Automatic tensioner e.g. screwed belt-chain tensioner, for belt-chain drive of e.g. vehicle, has tension pulley provided for chain/belt, where pulley is rotatably fastened at sliding block and tensioned against chain/belt by spring force
The tensioner (4) has an U-shaped curved sheet plate with two side pieces (5.1, 5.2) and a base bar lying in between the side pieces. Two guiding bolts with a longitudinal axis are fastened at the side pieces, where the bolts guide a sliding block (11) that is moved along the axis. A compression spring (8) is loaded with spring force, and a tension pulley (14) is provided for a chain or belt to be fastened, where the pulley is rotatably fastened at the block, and is tensioned against the chain or the belt by the force.
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