Apparatus for opening and closing, respectively, windows and hatches on boats

• US 3,320,698 A
• Filed: 07/09/1965
• Issued: 05/23/1967
• Est. Priority Date: 07/09/1965
• Status: Expired due to Term

• Current Assignee: Max Hummel
• Original Assignee: Max Hummel
• Inventors: Hummel, Max
• Application Number:
  US04/470,833
• Time in Patent Office: 683 Days
• US Class Current: 49/340
• CPC Class Codes: B63B 2019/0038 Ship's windows, other than bull's eyes
• CPC Class Codes: E05F 11/34 with screw mechanisms
• CPC Class Codes: E05Y 2201/624 Arms
• CPC Class Codes: E05Y 2900/514 for ships
• CPC Class Codes: Y10T 74/18576 including screw and nut

Claims

1. AN APPARATUS FOR OPENING AND CLOSING, RESPECTIVELY, WINDOWS ON BOATS, COMPRISING:

A HOUSING, AN ELECTRIC MOTOR DISPOSED IN SAID HOUSING AND HAVING A DRIVE SHAFT, A THREADED SHAFT ROTATABLY AND PIVOTALLY, BUT AXIALLY IMMOVABLY MOUNTED AT ONE END OF SAID DRIVE SHAFT IN SAID HOUSING, MEANS FOR OPERATIVELY CONNECTING SAID DRIVE SHAFT WITH SAID THREADED SHAFT, AN OPERATING NUT AXIALLY MOVABLE ALONG, BUT NONROTATABLY ENGAGING SAID THREADED SHAFT, A LINKAGE PIVOTALLY CONNECTED WITH SAID NUT AT ONE END AND PIVOTALLY MOUNTED TO SAID HOUSING AT THE OTHER END, AT LEAST ONE LEVER MEANS PIVOTALLY CONNECTED AT ONE END THEREOF TO A WINDOW AND OPERATIVELY CONNECTED AT THE OTHER END THEREOF TO SAID OTHER END OF SAID LINKAGE, AND;

A DOUBLE SWITCH IN THE CIRCUIT OF SAID ELECTRIC MOTOR AND TURNING SAID MOTOR IN ANY OF TWO DIRECTIONS, DEPENDING UPON THE OPERATIVE POSITION OF SAID SWITCH.