← Back to Patent Explorer
US3357532A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical control circuit for vending machine

Assignee: Westinghouse Electric Corp
•
Filing: 1966-11-15
•
Granted: 1967-12-12
•
Expires: 1986-11-15
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Jr James E Howard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:28
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/18; G07F11/00; G07F5/10; G07F9/00; G07F9/002

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 306 words
A VENDING MACHINE COMPRISING A PLURALITY OF ARTICLE DISPENSING MECHANISMS, A COMMON OPERATING MECHANISM FOR RELEASING SAID DISPENSING MECHANISMS, ELECTRIC MOTOR MEANS ADAPTED TO BE ENERGIZED TO BE OPERATED FOR OPERATING SAID COMMON OPERATING MECHANISM DURING EACH VEND CYCLE, A CREDIT RELAY, A VEND RELAY, A RESPECTIVE CONNECTING SOLENOID FOR EACH DISPENSING MECHANISM ADAPTED TO BE ENERGIZED TO CONNECT A RESPECTIVE DISPENSING MECHANISM TO SAID COMMON OPERATING MECHANISM DURING A PARTICULAR VEND CYCLE TO THEREBY SELECTIVELY DISPENSE AN ARTICLE, A RESPECTIVE SELECTION SWITCH FOR EACH OF SAID SOLENOIDS, MEANS RESPONSIVE TO THE DEPOSIT OF REQUISITE COINAGE TO ENERGIZE BOTH SAID CREDIT AND VEND RELAY, A HOLDING CIRCUIT FOR SAID VEND RELAY, MEANS RESPONSIVE TO THE ENERGIZATION OF SAID CREDIT RELAY TO PREPARE A HOLDING CIRCUIT FOR SAID SOLENOIDS, MEANS RESPONSIVE TO THE ENERGIZATION OF SAID VEND RELAY TO PREPARE AN OPERATING CIRCUIT FOR SAID SELECTION SWITCHES, MEANS RESPONSIVE TO THE OPERATION OF A SELECTED ONE OF SAID SELECTION SWITCHES TO EXTEND THE PREVIOUSLY PREPARED OPERATING CIRCUIT TO ENERGIZE A SELECTED ONE OF SAID SOLENOIDS, MEANS RESPONSIVE TO THE ENERGIZATION OF A SELECTED ONE OF SAID SOLENOIDS TO MAINTAIN SAID SOLENOID ENERGIZED THROUGH THE PREVIOUSLY PREPARED HOLDING CIRCUIT AND TO INTERRUPT THE HOLDING CIRCUIT FOR SAID VEND RELAY AND DEENERGIZE SAID VEND RELAY, MEANS RESPONSIVE TO THE DEENERGIZATION OF SAID VEND RELAY WHILE SAID CREDIT RELAY IS STILL ENERGIZED TO ENERGIZE SAID ELECTRIC MOTOR MEANS, CYCLE SWITCH MEANS ADAPTED TO BE OPERATED IN RESPONSE TO THE OPERATION OF SAID MOTOR MEANS TO MAINTAIN THE ENERGIZATION OF SAID MOTOR MEANS FOR THE DURATION OF A VEND CYCLE, AND MEANS RESPONSIVE TO THE OPERATION OF SAID CYCLE SWITCH DURING A VEND CYCLE TO INTERRUPT THE HOLDING CIRCUIT FOR SAID CREDIT RELAY AND DEENERGIZE SAID CREDIT RELAY AND THEREBY INTERRUPT THE RESPECTIVE HOLDING CIRCUIT TO DEENERGIZE THE RESPECTIVE SELECTION SOLENOID.
Claim 2
Dependent Claim 306 words
A VENDING MACHINE COMPRISING A PLURALITY OF ARTICLE DISPENSING MECHANISMS, A COMMON OPERATING MECHANISM FOR RELEASING SAID DISPENSING MECHANISMS, ELECTRIC MOTOR MEANS ADAPTED TO BE ENERGIZED TO BE OPERATED FOR OPERATING SAID COMMON OPERATING MECHANISM DURING EACH VEND CYCLE, A CREDIT RELAY, A VEND RELAY, A RESPECTIVE CONNECTING SOLENOID FOR EACH DISPENSING MECHANISM ADAPTED TO BE ENERGIZED TO CONNECT A RESPECTIVE DISPENSING MECHANISM TO SAID COMMON OPERATING MECHANISM DURING A PARTICULAR VEND CYCLE TO THEREBY SELECTIVELY DISPENSE AN ARTICLE, A RESPECTIVE SELECTION SWITCH FOR EACH OF SAID SOLENOIDS, MEANS RESPONSIVE TO THE DEPOSIT OF REQUISITE COINAGE TO ENERGIZE BOTH SAID CREDIT AND VEND RELAY, A HOLDING CIRCUIT FOR SAID VEND RELAY, MEANS RESPONSIVE TO THE ENERGIZATION OF SAID CREDIT RELAY TO PREPARE A HOLDING CIRCUIT FOR SAID SOLENOIDS, MEANS RESPONSIVE TO THE ENERGIZATION OF SAID VEND RELAY TO PREPARE AN OPERATING CIRCUIT FOR SAID SELECTION SWITCHES, MEANS RESPONSIVE TO THE OPERATION OF A SELECTED ONE OF SAID SELECTION SWITCHES TO EXTEND THE PREVIOUSLY PREPARED OPERATING CIRCUIT TO ENERGIZE A SELECTED ONE OF SAID SOLENOIDS, MEANS RESPONSIVE TO THE ENERGIZATION OF A SELECTED ONE OF SAID SOLENOIDS TO MAINTAIN SAID SOLENOID ENERGIZED THROUGH THE PREVIOUSLY PREPARED HOLDING CIRCUIT AND TO INTERRUPT THE HOLDING CIRCUIT FOR SAID VEND RELAY AND DEENERGIZE SAID VEND RELAY, MEANS RESPONSIVE TO THE DEENERGIZATION OF SAID VEND RELAY WHILE SAID CREDIT RELAY IS STILL ENERGIZED TO ENERGIZE SAID ELECTRIC MOTOR MEANS, CYCLE SWITCH MEANS ADAPTED TO BE OPERATED IN RESPONSE TO THE OPERATION OF SAID MOTOR MEANS TO MAINTAIN THE ENERGIZATION OF SAID MOTOR MEANS FOR THE DURATION OF A VEND CYCLE, AND MEANS RESPONSIVE TO THE OPERATION OF SAID CYCLE SWITCH DURING A VEND CYCLE TO INTERRUPT THE HOLDING CIRCUIT FOR SAID CREDIT RELAY AND DEENERGIZE SAID CREDIT RELAY AND THEREBY INTERRUPT THE RESPECTIVE HOLDING CIRCUIT TO DEENERGIZE THE RESPECTIVE SELECTION SOLENOID.

References Cited (Backward Citations)

US3191737A Cited
US3193072A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-12-11 1971-06-12 1971-12-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-12-11 1975-06-12 1975-12-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-12-11 1979-06-12 1979-12-12 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag