Apparatus for measuring animal activity

• US 3,100,473 A
• Filed: 01/30/1961
• Issued: 08/13/1963
• Est. Priority Date: 01/30/1961
• Status: Expired due to Term

• Current Assignee: John W. Kissel
• Original Assignee: John W. Kissel
• Inventors: Kissel, John W.
• Application Number:
  US04/085,523
• Time in Patent Office: 925 Days
• US Class Current: 119/421
• CPC Class Codes: A01K 1/031 Cages for laboratory animals; Cages for measuring metabolism of animals
• CPC Class Codes: A61B 2503/40 Animals
• CPC Class Codes: A61B 2503/42 for laboratory research
• CPC Class Codes: A61B 5/1105 of laboratory animals, e.g. activity

Claims

1. IN AN APPARATUS FOR MEASURING ANIMAL ACTIVITY, THE COMBINATION OF A CIRCULAR MEMBER CONNECTED TO A CENTRAL GENERALLY VERTICAL SUPPORT SHAFT, SAID SHAFT BEING UNIVERSALLY TILTABLY MOVABLE;

SUPPORT MEANS DISPOSED BENEATH AN OUTER PERIPHERAL PORTION OF SAID CIRCULAR MEMBER, SAID OUTER PERIPHERAL PORTION ROTATABLY ENGAGING SAID SUPPORT MEANS IN THE NORMAL COURSE OF SHAFT TILTING MOVEMENT;

ANIMAL-CONFINING, CLOSED-CIRCUIT PASSAGEWAY CAGE MEANS DISPOSED CONCENTRICALLY WITH SAID CIRCULAR MEMBER AND INCLUDING A FLOOR SUPPORTED ON SAID SHAFT;

AND MEANS OPERABLY ASSOCIATED WITH SAID CIRCULAR MEMBER AND SAID SUPPORT MEANS AND SENSITIVE TO ENGAGEMENT THEREBETWEEN FOR RECORDING THE EXTENT OF SUCH ENGAGEMENT, SAID CAGE MEANS BEING OF SUCH CONFIGURATION AND DIMENSIONS RELATIVE TO AN