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US3299244A Expired / Lapsed US ⏱️ 0.0 years remaining

Anti-rebound latch

Assignee: ITE Circuit Breaker Co
•
Filing: 1965-10-11
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Granted: 1967-01-17
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Expires: 1985-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Strobel Albert
  • 👤 David T Gray

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 04:51
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/504; H01H9/00; H01H9/20; H01H9/24

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 200 words
IN A CIRCUIT BREAKER COMPRISING AT LEAST ONE PAIR OF COOPERATING CONTACTS AND AN OPERATING MEANS FOR MOVING SAID COOPERATING CONTACTS BETWEEN DISENGAGED AND ENGAGED POSITIONS, SAID OPERATING MEANS COMPRISING A PLURALITY OF INDIVIDUAL ELEMENTS, INCLUDING A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, A LATCHABLE CRADLE CONNECTED THERETO, SUCH THAT MOVEMENT OF THE CRADLE BETWEEN ITS LATCHED AND UNLATCHED CONDITIONS IS TRANSMITTED TO SAID MOVABLE CONTACT ARM FOR MOVEMENT THEREOF BETWEEN ITS POSITIONS, A SUPPORT MEMBER, SAID CRADLE PIVOTALLY MOUNTED TO SAID SUPPORT MEMBER AT A FIRST PIVOT AXIS FOR MOVEMENT BETWEEN ITS SAID LATCHED AND UNLATCHED CONDITIONS, AN ANTI-REBOUND LATCH MECHANISM POSITIONABLE TO OPERATIVELY ENGAGE SAID CONTACT ARM WHEN IN ITS DISENGAGED POSITION AND THEREBY MAINTAIN SAID COOPERATING CONTACTS DISENGAGED, SAID ANTIREBOUND LATCH MECHANISM INCLUDING A FIRST SECTION MOUNTED TO SAID CRADLE FOR MOVEMENT THEREWITH, BETWEEN SAID CRADLE LATCHED AND UNLATCHED CONDITIONS, A SECOND SECTION INCLUDING A MEANS FOR GRASPING A COOPERATING PORTION OF SAID MOVABLE CONTACT ARM AND A LOST MOTION CONNECTION BETWEEN SAID FIRST AND SECOND SECTIONS, SUCH THAT RELIABLE OPERATION OF THE ANTI-REBOUND LATCH MECHANISM IS MAINTAINED WHEN SUBJECTED TO A PREDETERMINED DEGREE OF MISALIGNMENT BETWEEN THE INDIVIDUAL ELEMENTS OF THE OPERATING MEANS.
Claim 2
Dependent Claim 200 words
IN A CIRCUIT BREAKER COMPRISING AT LEAST ONE PAIR OF COOPERATING CONTACTS AND AN OPERATING MEANS FOR MOVING SAID COOPERATING CONTACTS BETWEEN DISENGAGED AND ENGAGED POSITIONS, SAID OPERATING MEANS COMPRISING A PLURALITY OF INDIVIDUAL ELEMENTS, INCLUDING A MOVABLE CONTACT ARM CARRYING ONE OF SAID COOPERATING CONTACTS, A LATCHABLE CRADLE CONNECTED THERETO, SUCH THAT MOVEMENT OF THE CRADLE BETWEEN ITS LATCHED AND UNLATCHED CONDITIONS IS TRANSMITTED TO SAID MOVABLE CONTACT ARM FOR MOVEMENT THEREOF BETWEEN ITS POSITIONS, A SUPPORT MEMBER, SAID CRADLE PIVOTALLY MOUNTED TO SAID SUPPORT MEMBER AT A FIRST PIVOT AXIS FOR MOVEMENT BETWEEN ITS SAID LATCHED AND UNLATCHED CONDITIONS, AN ANTI-REBOUND LATCH MECHANISM POSITIONABLE TO OPERATIVELY ENGAGE SAID CONTACT ARM WHEN IN ITS DISENGAGED POSITION AND THEREBY MAINTAIN SAID COOPERATING CONTACTS DISENGAGED, SAID ANTIREBOUND LATCH MECHANISM INCLUDING A FIRST SECTION MOUNTED TO SAID CRADLE FOR MOVEMENT THEREWITH, BETWEEN SAID CRADLE LATCHED AND UNLATCHED CONDITIONS, A SECOND SECTION INCLUDING A MEANS FOR GRASPING A COOPERATING PORTION OF SAID MOVABLE CONTACT ARM AND A LOST MOTION CONNECTION BETWEEN SAID FIRST AND SECOND SECTIONS, SUCH THAT RELIABLE OPERATION OF THE ANTI-REBOUND LATCH MECHANISM IS MAINTAINED WHEN SUBJECTED TO A PREDETERMINED DEGREE OF MISALIGNMENT BETWEEN THE INDIVIDUAL ELEMENTS OF THE OPERATING MEANS.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-01-16 1970-07-18 1971-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-01-16 1974-07-18 1975-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-01-16 1978-07-18 1979-01-17 $7700.00 Window Closed / Lapsed

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