公开(公告)号：US2944410A

公开(公告)日：1960-07-12

申请号：US53892855

申请日：1955-10-06

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  MURPHY JOHN M ,  WURTZ CLIFFORD H

IPC: F25D17/06 ,  F25D23/04

CPC classification number: F25D17/062 ,  F25D23/04 ,  F25D2400/04 ,  F25D2700/10

公开(公告)号：US3626712A

公开(公告)日：1971-12-14

申请号：US3626712D

申请日：1970-09-21

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  FOGT THOMAS H

IPC: F25D29/00

CPC classification number: F25D29/006 ,  Y10S292/66 ,  Y10T70/7458 ,  Y10T292/11

Abstract: A SAFETY LOCK FOR LOCKING THE DOOR STRUCTURE OF A FOOD FREEZER OR REFRIGERATOR TO PREVENT UNAUTHORIZED ACCESS TO THE FOOD COMPARTMENT WHICH FUNCTIONS IN COMBINATION WITH A MAGNETIC TYPE DOOR SEAL SUCH THAT THE LATCH OPERATES TO LOCK THE DOOR. THE DOOR LOCK IS PROVIDED WITH THERMOSTATIC MEANS WHICH PERMITS THE DOOR TO BE LOCKED AND UNLOCKED IN THE ORDINARY MANNER BY MEANS OF A KEY OPERATED LOCKING BOLT WHEN THE FREEZER IS BEING USED FOR THE PRESERVATION OF FOOD AND WHICH THERMOSTATIC MEANS RENDERS THE LOCK INOPERATIVE IN A FAIL-SAFE MANNER TO PREVENT LOCKING THE DOOR IN THE EVENT THE FREEZER IS DISCONNECTED FROM ITS CURRENT SUPPLY.

公开(公告)号：US3482413A

公开(公告)日：1969-12-09

申请号：US3482413D

申请日：1968-05-23

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  WILLIAMITIS VICTOR A

IPC: F25C1/20 ,  F25C1/08

CPC classification number: F25C1/20

公开(公告)号：US3031859A

公开(公告)日：1962-05-01

申请号：US3826460

申请日：1960-06-23

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  WURTZ CLIFFORD H

IPC: F25B47/02

CPC classification number: F25B47/022 ,  Y10S62/17

公开(公告)号：US3018637A

公开(公告)日：1962-01-30

申请号：US936160

申请日：1960-02-17

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  O'CONNELL JOHN J

IPC: F25D21/00

CPC classification number: F25D21/008 ,  F25B2700/2117 ,  F25D2400/04

公开(公告)号：US3004400A

公开(公告)日：1961-10-17

申请号：US4163860

申请日：1960-07-08

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J ,  O'CONNELL JOHN J

IPC: F25D17/06

CPC classification number: F25D17/065 ,  F25D2317/067 ,  F25D2317/0682 ,  F25D2317/0683 ,  F25D2400/04 ,  F25D2700/10

公开(公告)号：US2937511A

公开(公告)日：1960-05-24

申请号：US57563956

申请日：1956-04-02

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J

IPC: F25B47/02 ,  F25D11/02 ,  F25D17/06

CPC classification number: F25D11/022 ,  F25B47/022 ,  F25B2600/0251 ,  F25D17/062 ,  F25D2317/0654 ,  F25D2317/0665 ,  F25D2317/0682 ,  F25D2317/0683 ,  F25D2400/04 ,  F25D2700/10 ,  F25D2700/12 ,  Y02B40/32

公开(公告)号：US2907180A

公开(公告)日：1959-10-06

申请号：US61717056

申请日：1956-10-19

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J

IPC: F25D17/04 ,  F25D17/06 ,  F25D21/00 ,  F25D21/14

CPC classification number: F25D17/065 ,  F25B2700/2117 ,  F25D17/045 ,  F25D21/008 ,  F25D21/14 ,  F25D2317/0651 ,  F25D2317/0654 ,  F25D2317/0655 ,  F25D2317/0683 ,  F25D2321/145 ,  F25D2400/04 ,  F25D2700/02 ,  F25D2700/10

公开(公告)号：US2737783A

公开(公告)日：1956-03-13

申请号：US33864153

申请日：1953-02-25

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J

IPC: F25D17/04

CPC classification number: F25D17/04 ,  F25D2317/062

公开(公告)号：US2723533A

公开(公告)日：1955-11-15

申请号：US29833952

申请日：1952-07-11

Applicant: GEN MOTORS CORP

Inventor： MANN LEONARD J

IPC: F25B5/00

CPC classification number: F25B5/04 ,  F25B2341/0011 ,  F25B2500/01 ,  F25D2400/04