Mobility restriction device Russian patent published in 2021 - IPC E05B75/00 

FIELD: police special equipment; mobility restriction devices.

SUBSTANCE: invention relates to the field of creating special means for fixing the limbs of an offender during detention and blocking the possibilities of his counter-actions to release from capture. The device for restricting mobility consists of interconnected bracelets, each of which is formed by two arcuate brackets fastened to each other and a movable bracket pivotally connected to them with teeth at the end, entering into a ratchet connection with the teeth of the latch, while the ratchet connection is made at an angle of inclination of the tooth А=5-40° and the ratio of the step to the height of the tooth (S/ H), varying within 1-3.

EFFECT: increasing the force required for forced opening of the product, as well as increasing the service life of the products, due to the choice of the optimal geometry of the teeth of the ratchet connection.

1 cl, 1 dwg, 2 tbl