Lock with a clutching outer handle

Details Lock with a clutching outer handle Lock with a clutching outer handle

1997-09-24

1999-08-10

Boucher, Darnell M.

Locks

Special application

For control and machine elements

70472, 70149, 70218, 70223, B60R 2502

Patent

active

059341173

ABSTRACT:
A freewheeling clutching design for enabling a freewheeling movement of an outer door handle with respect to a latch assembly of a lock when the lock is in a locked state. A clutch column is axially movable to engage with or disengage from a latch assembly by way of turning a control member which simultaneously moves axially. The outer door-handle performs a normal operation of opening a door when the clutch column engages the latch assembly, while it performs the freewheel turning movement to prevent an undesirable transfer of force to internal components of the lock when the clutch column engages the latch assembly.

REFERENCES:
patent: 1714286 (1929-05-01), Waldo
patent: 1919750 (1933-07-01), Rymer
patent: 2207143 (1940-07-01), Brauning
patent: 2511522 (1950-06-01), Williams
patent: 3024055 (1962-03-01), Novarino
patent: 4631944 (1986-12-01), Gater et al.
patent: 5040652 (1991-08-01), Fish et al.
patent: 5295376 (1994-03-01), Myers
patent: 5577409 (1996-11-01), Oyabu et al.
patent: 5651280 (1997-07-01), Park
patent: 5730014 (1998-03-01), Berger et al.

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