FR2336951A2
Expired / Lapsed
FR
⏱️ 0.0 years remaining
REELING DEVICE ESPECIALLY FOR TENSIONING SEAT BELTS
Assignee: Societe Nationale des Poudres et Explosifs
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Filing: 1975-12-31
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Granted: —
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Expires: 1995-12-31
Abstract
Abstract The vehicles safety belt reel has an outer casing (1, 2) enclosing a drum (9) provided with a helical track (10). At one end of the drum is an annular piston (7), its inner diameter having dogs meshing in the helical track. Behind this is a pyrotechnic charge (18). In a collision, a detector generates an electrical impulse which fires the charge and drives the piston along the helical track. This piston, operating in straight guides (5), causes the drum to rotate and tighten the belt. Simultaneously, pawls (13) engage a gear at the end of the drum and hardened balls (17) drop into recesses to lock the drum.
Inventors
- 👤 Bernard Doin
- 👤 Paul Philippe Cord
- 👤 Jean-Francois Tillac
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 18:53
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34; B60R22/46; B60R22/4628; B60R22/4633; B60R2022/4638
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