Patent US3346292A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3346292A Expired / Lapsed US ⏱️ 0.0 years remaining

Motor-activated cushioning bumper

Assignee: Individual
•
Filing: 1966-08-04
•
Granted: 1967-10-10
•
Expires: 1986-08-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Lundman Ben Ervin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:27
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/38; B60R19/40

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 226 words
IN A VEHICLE HAVING A CHASSIS INCLUDING TWO LONGITUDINAL FRAME MEMBERS, THE IMPROVEMENT COMPRISING: (A) SHOCK ABSORBER UNITS ASSOCIATED ONE EACH WITH SAID FRAME MEMBERS, (B) HORIZONTALLY ALIGNED IDENTICAL BUMPER BARS CARRIED ONE EACH BY SAID UNITS, (C) MEANS MOUNTING SAID UNITS ONE EACH TO SAID FRAME MEMBERS, (D) EACH OF SAID COMPRISING AN ELONGATED AIR CYLINDER OPEN AT ITS FORWARD END AND CLOSED AT ITS REARWARD END, (E) AN ANNULAR LIMIT STOP SECURED WITHIN SAID AIR CYLINDER AT SAID FORWARD OPEN END THEREOF, (F) A FLUID PRESSURE CONDUIT IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID AIR CYLINDER AT THE REARWARD END THEREOF, (G) A HOLLOW PISTON SUBSTANTIALLY EQUAL IN LENGTH WITH THAT OF SAID AIR CYLINDER MOUNTED THEREWITHIN AND EXTENDING THROUGH SAID ANNULAR LIMIT STOP, (H) AN ANNULAR LIMIT STOP SECURED WITHIN SAID HOLLOW PISTON AT THE REARWARD END THEREOF, (I) AN ANNULAR LIMIT STOP SECURED WITHIN SAID HOLLOW (J) MEANS PERMANENTLY SECURING EACH OF SAID BUMPER BARS TO SAID FORWARD ENDS OF ITS RESPECTIVE HOLLOW PISTON, (K) A FLOATING PISTON SLIDABLY MOUNTED WITHIN SAID HOLLOW PISTON, (L) A COMPRESSION SPRING WITHIN SAID HOLLOW PISTON AND DISPOSED BETWEEN SAID BUMPER BAR SECURING MEANS AND SAID FLOATING PISTON WHEREBY IMPACT FORCES OF HEAD-ON COLLISION WILL BE ABSORBED BY BOTH OF SAID UNITS, AND LIKE FORCES TO EITHER OF THE UNITS WILL BE ABSORBED THEREBY INDIVIDUALLY.
Claim 2
Dependent Claim 226 words
IN A VEHICLE HAVING A CHASSIS INCLUDING TWO LONGITUDINAL FRAME MEMBERS, THE IMPROVEMENT COMPRISING: (A) SHOCK ABSORBER UNITS ASSOCIATED ONE EACH WITH SAID FRAME MEMBERS, (B) HORIZONTALLY ALIGNED IDENTICAL BUMPER BARS CARRIED ONE EACH BY SAID UNITS, (C) MEANS MOUNTING SAID UNITS ONE EACH TO SAID FRAME MEMBERS, (D) EACH OF SAID COMPRISING AN ELONGATED AIR CYLINDER OPEN AT ITS FORWARD END AND CLOSED AT ITS REARWARD END, (E) AN ANNULAR LIMIT STOP SECURED WITHIN SAID AIR CYLINDER AT SAID FORWARD OPEN END THEREOF, (F) A FLUID PRESSURE CONDUIT IN OPEN COMMUNICATION WITH THE INTERIOR OF SAID AIR CYLINDER AT THE REARWARD END THEREOF, (G) A HOLLOW PISTON SUBSTANTIALLY EQUAL IN LENGTH WITH THAT OF SAID AIR CYLINDER MOUNTED THEREWITHIN AND EXTENDING THROUGH SAID ANNULAR LIMIT STOP, (H) AN ANNULAR LIMIT STOP SECURED WITHIN SAID HOLLOW PISTON AT THE REARWARD END THEREOF, (I) AN ANNULAR LIMIT STOP SECURED WITHIN SAID HOLLOW (J) MEANS PERMANENTLY SECURING EACH OF SAID BUMPER BARS TO SAID FORWARD ENDS OF ITS RESPECTIVE HOLLOW PISTON, (K) A FLOATING PISTON SLIDABLY MOUNTED WITHIN SAID HOLLOW PISTON, (L) A COMPRESSION SPRING WITHIN SAID HOLLOW PISTON AND DISPOSED BETWEEN SAID BUMPER BAR SECURING MEANS AND SAID FLOATING PISTON WHEREBY IMPACT FORCES OF HEAD-ON COLLISION WILL BE ABSORBED BY BOTH OF SAID UNITS, AND LIKE FORCES TO EITHER OF THE UNITS WILL BE ABSORBED THEREBY INDIVIDUALLY.

References Cited (Backward Citations)

US1355182A Cited
US1530017A Cited
US1570624A Cited
US1799065A Cited
US2404931A Cited
US2628118A Cited
US2977146A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-09 1971-04-10 1971-10-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-09 1975-04-10 1975-10-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-09 1979-04-10 1979-10-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag