Combination locks
First Claim
1. A combination lock including a plurality of combination elements disposed on a common axis in a casing for axial movement in unison out of coupling engagement with cooperating combination components in order to change the combination of the lock, a shift member for moving said elements axially, means mounting said shift member in said casing for movement substantially transversely to said common axis, said shift member including an actuator portion extending through an opening in said casing and means providing a camming action between said shift member and said elements for causing said shift member to move said elements axially responsive to transverse movement of said shift member when operated by said actuator portion, wherein said shift member is located between said combination elements and a reaction surface of said casing extending transversely to said axis and wherein said means providing a camming action includes a camming portion on a surface of said shift member facing the combination elements, the camming portion extending obliquely to said axis whereby movement of said actuator portion in said opening causes said camming surface to move said elements axially by reaction of said shift member with said reaction surface without axial movement of the shift member.
1 Assignment
0 Petitions
Accused Products
Abstract
A dial and sleeve type combination lock is provided with a shift member to move the sleeves out of coupling engagement with the dials for changing the combination of the lock. The shift member includes a manual actuator extending through an opening in the face plate of the lock which opening extends transversely to the axis of the sleeves and movement of the actuator in the opening in the transverse direction effects axial movement of the sleeves by means of an oblique camming surface on the shift member.
26 Citations
9 Claims
- 1. A combination lock including a plurality of combination elements disposed on a common axis in a casing for axial movement in unison out of coupling engagement with cooperating combination components in order to change the combination of the lock, a shift member for moving said elements axially, means mounting said shift member in said casing for movement substantially transversely to said common axis, said shift member including an actuator portion extending through an opening in said casing and means providing a camming action between said shift member and said elements for causing said shift member to move said elements axially responsive to transverse movement of said shift member when operated by said actuator portion, wherein said shift member is located between said combination elements and a reaction surface of said casing extending transversely to said axis and wherein said means providing a camming action includes a camming portion on a surface of said shift member facing the combination elements, the camming portion extending obliquely to said axis whereby movement of said actuator portion in said opening causes said camming surface to move said elements axially by reaction of said shift member with said reaction surface without axial movement of the shift member.
Specification