Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
230 words
A lock for a vehicle steering column having a steering shaft rotatable within a fixed tube, comprising: (a) a lock reception housing for connection to the steering wheel tube, said reception housing being formed with first and second intercommunicating spaced bores, the axes of which are disposed parallel to each other, (b) a locking bolt within said first bore arranged to move axially between a first position and a second position where the bolt enters an aperture in the steering shaft, (c) an abutment surface on said locking bolt disposed transversely of the axis of said bolt, (d) a cylinder housing within said second bore axially displaceable between a first position and a second position and drivably coupled with said locking bolt, (e) a cylinder core, having a key entry aperture, rotatable within the cylinder housing, (f) a locking recess formed in the internal surface of the reception housing, and (g) a locking part connected to said cylinder core projecting radially beyond the cylinder housing and capable of entry into said locking recess for securing the cylinder lock in its second position, wherein on axial movement of the cylinder housing into its second position rotation of the core is possible whereby the locking part projects with one portion thereof into the recess within the reception housing, the remaining portion being in engagement with the abutment surface on the locking bolt.
Claim 2
Dependent Claim
230 words
A lock for a vehicle steering column having a steering shaft rotatable within a fixed tube, comprising: (a) a lock reception housing for connection to the steering wheel tube, said reception housing being formed with first and second intercommunicating spaced bores, the axes of which are disposed parallel to each other, (b) a locking bolt within said first bore arranged to move axially between a first position and a second position where the bolt enters an aperture in the steering shaft, (c) an abutment surface on said locking bolt disposed transversely of the axis of said bolt, (d) a cylinder housing within said second bore axially displaceable between a first position and a second position and drivably coupled with said locking bolt, (e) a cylinder core, having a key entry aperture, rotatable within the cylinder housing, (f) a locking recess formed in the internal surface of the reception housing, and (g) a locking part connected to said cylinder core projecting radially beyond the cylinder housing and capable of entry into said locking recess for securing the cylinder lock in its second position, wherein on axial movement of the cylinder housing into its second position rotation of the core is possible whereby the locking part projects with one portion thereof into the recess within the reception housing, the remaining portion being in engagement with the abutment surface on the locking bolt.
Claim 3
Dependent Claim
23 words
A lock according to claim 1 wherein the locking part comprises a ring sector extending from a ring secured to the cylinder core.
Claim 4
Dependent Claim
34 words
A steering lock according to claim 2, wherein the ring is secured on that end of the cylinder core which projects from the cylinder housing on the side remote from the key entry aperture.
Claim 5
Dependent Claim
31 words
A steering lock according to claim 2, wherein said abutment surface on the locking bolt closely abuts the front end of the ring sector in any rotation position of the latter.
Claim 6
Dependent Claim
20 words
A steering lock according to claim 2, wherein an end face of the cylinder housing rests against the ring sector.
Claim 7
Dependent Claim
35 words
A steering lock according to claim 2 wherein the recess within the internal surface of the lock reception housing is a part annular groove having a width equal to the width of the ring sector.
Claim 8
Dependent Claim
34 words
A steering lock according to claim 1, wherein for the connection of the locking bolt to the cylinder housing, the locking bolt comprises a recess, in which a portion of the cylinder housing engages.
Claim 9
Dependent Claim
39 words
A steering lock according to claim 1, wherein a helical compression spring is arranged between the side of the cylinder core that is remote from a key entry aperture and the opposite inner wall of the lock reception housing.