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4B - Tackle blocks

 

4B-100 - Tackle block 100 4B-200 - Tackle block 200 4B-300 - Tackle block 300 4B-400 - Tackle block 400
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4B-100 - Tackle block 100 Grooves - 1 / 2 / 3 nylon sheaves Ø 17 mm+ ball bearings Frame - stainless steel Max. load - 60 kg - safety factor 5 For - textile ropes Ø 5 mm
4B-100 - Tackle block 100 4B-191 - Shackle 4B-101 - Tackle block 100 swivelling + shackle 4B-102 - Tackle block 102 4B-103 - Tackle block 103
4B-200 - Tackle block 200 Grooves - 1 nylon sheave Ø 25 mm+ ball bearings Frame - stainless steel Max. load - 120 kg - safety factor 5 For - - textile ropes Ø 4 mm- 3A - Авиационный трос Ø 4 mm
4B-300 - Tackle block 300 Grooves - 1 nylon sheave Ø 35 mm+ ball bearings Frame - black nylon + stainless steel Max. load - 140 kg - safety factor 5 For - textile ropes Ø 8 mm
4B-300 - Tackle block 300 4B-3002 - Tackle block 3002 4B-3003 - Tackle block 3003
4B-400 - Tackle block 400 Grooves - 1 nylon sheave Ø 45 mm+ ball bearings Frame - black nylon + stainless steel Max. load - 190 kg - safety factor 5 For - textile ropes Ø 10 mm
4B-400 - Tackle block 400 4B-4002 - Tackle block 4002 4B-4003 - Tackle block 4003
The 4B - Tackle blocks are small pulleys equipped with a quick coupling device.
They are mainly used for the return of textile ropes or, only some models and more rarely, for wire ropes.
Due to the small diameter of the pulleys, which allows only a low ratio with the rope diameter, they are intended exclusively for manual maneuvers and light loads.
In scenography they are often used, together with other devices, to carry out the manual maneuvers of:
Итальянские занавесы
Французские занавесы
Складной занавес
Складной занавес вперед
Римские занавесы
Венецианские занавесы
Австрийские занавесы
sometimes even of large dimensions but of low weight.
The cases in which they are used in the construction of simple machines that exploit the principle of mechanical advantage are an exception.
Доступность
только в виде готовых изделий (на заказ)

Этот материал использовался для...

Aterballetto, ''Don Quixote de la Mancha''

Танец

Compagnia Finzi Pasca, ''La verità''

Театр

Laura Pausini, ''Greatest Hits World Tour''

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