U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Protractive force responsive safety belt locking apparatus

Patent 4492348 Issued on January 8, 1985. Estimated Expiration Date: Icon_subject January 29, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3467337

3504867

3765700

3851837

3876164

3885812

3911535

3918658

Belt clamp for a vehicle passenger restraint belt system
Patent #: 4208770
Issued on: 06/24/1980
Inventor: Takada

Webbing lock mechanism
Patent #: 4286759
Issued on: 09/01/1981
Inventor: Usami ,   et al.

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Inventors

Assignee

Application

No. 06/343896 filed on 01/29/1982

US Classes:

242/381.1, Material engaging242/379.2, Frame carrier feature242/381.4, Tension responsive242/384.5, Pendulum operator280/804, Having belt connected to member slidable in a vehicle-mounted track280/806, Inertia responsive locking or tightening of belt or harness280/807, Retractable297/478, Inertia actuated297/479, Having means to lock belt against further extension when in its occupant-restraining position297/480Inertia-responsive locking or tightening of belt or harness

Examiners

Primary: Coe, Philip R.
Assistant: Haugland, Scott J.

Attorney, Agent or Firm

International Classes

B60R 22/34 (20060101)
B60R 22/42 (20060101)

Abstract

A locking apparatus for use with safety belts of the type protracted and retracted on a spool which is locked by inertia forces in an emergency. The safety belt passes through a clamping assembly which is activated upon sliding movement of the retractor reel from protraction forces in the locked state greater than a pre-established threshold amount.

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