← Back to Patent Explorer
US3206652A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromagnetic force apparatus

Assignee: Lear Siegler Inc
•
Filing: 1962-12-17
•
Granted: 1965-09-14
•
Expires: 1982-12-17
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James P Monroe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 05:30
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/30; G01N3/317; F; F41; F41B; F41B6/00

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 327 words
ELECTROMAGNETIC PULSE APPARATUS FOR IMPARTING A CONTROLLED, SUDDEN, MOMENTARY, PHYSICAL SHOCK TO AN OBJECT COMPRISING: AN ELONGATED RESTRAINING TRACK MEANS; AN OBJECT CARRYING CARRIAGE MOVABLY MOUNTED ON SAID TRACK MEANS; A FIXED MAGNETIC FIELD COIL AFFIXED AT ONE END OF SAID TRACK MEANS; A DRIVER COIL ON SAID CARRIAGE INTERFITTABLE WITH SAID FIELD COIL IN ONLY THE INTIAL POSITION OF SAID CARRIAGE AT SAID ONE END TO IMPART A MOMENTARY ELECTROMAGNETIC IMPULSE TO SAID DRIVER COIL WHEN ENERGIZED TO APPLY A MOMENTARY PHYSICAL SHOCK FORCE TO SAID CARRIAGE FOR MOVEMENT THEREOF ALONG SAID TRACK MEANS; VARIABLE CAPACITOR MEANS IS ELECTRICAL PARALLEL WITH SAID FIELD COIL TO ALLOW VARIABLE SETTING OF THE ELECTRICAL PULSE DISCHARGE RATE ACROSS SAID FIELD COIL; POWER SUPPLY MEANS; A SECOND VARIABLE CAPACITOR MEANS; CONTROLLED SWITCH MEANS FROM SAID SECOND CAPACITOR MEANS AND CONNECTABLE ALTERNATELY WITH SAID FIELD COIL AND SAID POWER SUPPLY MEANS; AN ELECTRICAL TRIGGER CIRCUIT OPERABLE ASSOCIATED WITH SAID SWITCH MEANS TO CONTROL IT AND INCLUDING ELECTRICAL DISCHARGING MEANS TO TRIGGER THE CIRCUIT AND OPERATE SAID SWITCH MEANS TO DISCONNECT SAID SECOND CAPACITOR MEANS FROM SAID POWER SUPPLY MEANS AND CONNECT IT TO SAID FIELD COIL, CAUSING A MOMENTARY IMPULSE OF CONTROLLED CHARACTERISTICS THROUGH SAID FIELD COIL, TO THEREBY IMPART A PHYSICAL SHOCK OF CORRESPONDING CHARACTERISTICS TO SAID CARRIAGE AND SAID OBJECT ON SAID TRACK MEANS; SAID TRIGGER CIRCUIT INCLUDING RESISTANCE TYPE CURRENT FLOW CONTROL MEANS THERETO FROM SAID POWER SUPPLY MEANS, TO VARY THE TIME OF CHARGING OF SAID SECOND CAPACITOR MEANS BEFORE DISCHARGE OF SAID DISCHARGING MEANS, AND ACTUATION SWITCH MEANS OPERABLY ASSOCIATED WITH SAID TRIGGER CIRCUIT AND BETWEEN SAID POWER SUPPLY MEANS AND SAID CONTROLLED SWITCH MEANS TO SIMULTANEOUSLY INITIATE CURRENT FLOW TO SAID SECOND CAPACITOR MEANS AND TO SAID TRIGGER CIRCUIT; SAID FIELD COIL HAVING A PLURALITY OF INDEPENDENT WINDINGS, A PLURALITY OF PARALLEL CAPACITORS, AND SELECTOR SWITCH MEANS BETWEEN SAID WINDINGS AND PARALLEL CAPACITORS FOR SELECTING VARIOUS SERIES AND PARALLEL RELATIONSHIPS TO ADJUST THE SHOCK CHARACTERISTICS.

References Cited (Backward Citations)

US1780081A Cited
US2080053A Cited
US2519253A Cited
US2870675A Cited
US2794929A Cited
US2783684A Cited
US2960636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-09-13 1969-03-15 1969-09-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-09-13 1973-03-15 1973-09-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-09-13 1977-03-15 1977-09-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag