Patent US188610A successfully refreshed from Google Patents.
Patent US4340191A successfully refreshed from Google Patents.
← Back to Patent Explorer
US4340191A Expired / Lapsed US ⏱️ 0.0 years remaining

Seat belt retractor spring assembly

Assignee: Barnes Group Inc
•
Filing: 1980-09-26
•
Granted: 1982-07-20
•
Expires: 2000-09-26
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract The invention relates to a spring assembly for retracting a spirally wound seat belt to retracted condition after extension in use, and provides means for locking the spring in pre-wound condition prior to assembly with the seat belt.

Inventors

  • 👤 Robert J. Zavatkay

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 10:31
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/34

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 212 words
A spring operated seat belt retractor device, comprising: (a) a frame, (b) a casing adapted to be connected to the frame and comprising: i. a cylindrical cup, and ii. a substantially planar cover connected to the cup and closing it and having a central opening therein, (c) a shaft rotatably mounted in the opening in the cover, (d) a spiral spring within the casing having its ends connected to the periphery of the cup and to the shaft, and (e) means for releasably locking the spring to the casing in any predetermined prewound condition, comprising: i. a passage formed in the general plane of the cover having an opening in the periphery of the cover, ii. a passage formed in the shaft in the plane of the cover, iii. the passages in the cover and shaft being positioned to be longitudinally aligned on rotation of the shaft, and iv. a pin slidably mounted in the aligned passages with its outer end accessible from outside the periphery of the cover whereby when the casing is connected to the frame the outer end of the pin may be manually grasped to insert the pin into the aligned openings to lock the shaft to the casing or withdrawn to release the shaft from the casing.
Claim 2
Dependent Claim 212 words
A spring operated seat belt retractor device, comprising: (a) a frame, (b) a casing adapted to be connected to the frame and comprising: i. a cylindrical cup, and ii. a substantially planar cover connected to the cup and closing it and having a central opening therein, (c) a shaft rotatably mounted in the opening in the cover, (d) a spiral spring within the casing having its ends connected to the periphery of the cup and to the shaft, and (e) means for releasably locking the spring to the casing in any predetermined prewound condition, comprising: i. a passage formed in the general plane of the cover having an opening in the periphery of the cover, ii. a passage formed in the shaft in the plane of the cover, iii. the passages in the cover and shaft being positioned to be longitudinally aligned on rotation of the shaft, and iv. a pin slidably mounted in the aligned passages with its outer end accessible from outside the periphery of the cover whereby when the casing is connected to the frame the outer end of the pin may be manually grasped to insert the pin into the aligned openings to lock the shaft to the casing or withdrawn to release the shaft from the casing.

References Cited (Backward Citations)

US1138738A Cited
US2718282A Cited
US3033488A Cited
US3689004A Cited
US4088280A Cited
US4159809A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-07-19 1986-01-18 1986-07-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-07-19 1990-01-18 1990-07-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-07-19 1994-01-18 1994-07-20 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag