Back to results
US 2006/0230741 A1Published application
Chain lock
AssigneeRUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
InventorsAndreas Nuding, Werner Lang, Hans Dalferth
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeRUD-Kettenfabrik Rieger & Dietz GmbH u. Co.
InventorsAndreas Nuding, Werner Lang, Hans Dalferth
Estimating the term…
The invention relates to a chain lock comprising two lock parts which can be displaced in the longitudinal direction of the lock in order to open and close said lock. Each lock part comprises a journal (6) which is arranged on one end thereof and a pocket (7) which is arranged on the other end thereof in order to receive a journal (6) of the respective other lock part. Each journal (6) is fitted with at least one retaining web (8) which can be displaced in a retaining groove (11) of the pocket (7) of the respective other lock part. The journal (6) and the pocket (7) have a cross-section which continuously widens or expands in the longitudinal direction of the lock in order to maintain the small amount of required displacement path in the opening and closing of the lock.
A chain lock for link chains with two lock parts (1, 2) which can be displaced by limited amounts with respect to each other in the longitudinal direction of the lock in order to open and close the lock and in each case have two ends which are connected to each other via a longitudinal web (3) and of which in each case one forms a stud (6) having a retaining web (8) extending over part of the circumference of the stud and one is provided with a recess (7) serving to receive the stud and having a retaining groove (10) for the retaining web (8), characterized in that the stud (6) and its recess (7) have a cross section which continuously widens or expands in the longitudinal direction of the lock.
Dependencies are inferred from the claim text.