Lock assembly for wearable structure
DCFirst Claim
1. A lock assembly for a structure having a generally continuous face subject to abrasive wear comprising a base part and a wear part, said base part being attached to said face and outstanding therefrom and having a transverse wall for engaging lock means,each of said base part and said wear part having releasable coupling means for coupling said parts together, one of said parts including groove means and the other of said parts including tongue means in engagement with said groove means, each of said tongue means and said groove means being equipped with transversely spaced apart longitudinally extending walls for releasably coupling said parts together,each of said parts having first and second longitudinally extending surfaces with the first surface of said base part being in contact with said face and the second surface of said base part being remote from said face,said wear part having first and second ends with the first surface thereof being adjacent said face, the second surface of said wear part being generally parallel to said wear part first surface and remote from said face, said wear part first surface extending form said first end to said second end,said coupling means of said base part being along said base part second surface and said coupling means of said wear part being along said wear part first surface,said wear part second surface having a generally rectangular opening communicating with said base part when said parts are in assembled relation,said wear part being equipped with at least one transverse wall extending generally parallel to but spaced from said base part transverse wall,lock means mounted in said opening and extending between said base part transverse wall and said wear part transverse wall, said lock means being equipped with a resilient means and a latch, said latch being resiliently movable in a transverse direction for latching and releasing said lock means in and from said opening, andone of said base part and said wear part including keeper means extending generally longitudinally for upsettably confining said lock means against the urging of said resilient means.
4 Assignments
Litigations
0 Petitions
Accused Products
Abstract
A lock assembly for a surface subject to abrasive wear including a base element and a wear element coupled either by conforming T-shaped elements or dovetails and which includes a lock resiliently urged against an integral keeper in the base or wear element.
71 Citations
30 Claims
-
1. A lock assembly for a structure having a generally continuous face subject to abrasive wear comprising a base part and a wear part, said base part being attached to said face and outstanding therefrom and having a transverse wall for engaging lock means,
each of said base part and said wear part having releasable coupling means for coupling said parts together, one of said parts including groove means and the other of said parts including tongue means in engagement with said groove means, each of said tongue means and said groove means being equipped with transversely spaced apart longitudinally extending walls for releasably coupling said parts together, each of said parts having first and second longitudinally extending surfaces with the first surface of said base part being in contact with said face and the second surface of said base part being remote from said face, said wear part having first and second ends with the first surface thereof being adjacent said face, the second surface of said wear part being generally parallel to said wear part first surface and remote from said face, said wear part first surface extending form said first end to said second end, said coupling means of said base part being along said base part second surface and said coupling means of said wear part being along said wear part first surface, said wear part second surface having a generally rectangular opening communicating with said base part when said parts are in assembled relation, said wear part being equipped with at least one transverse wall extending generally parallel to but spaced from said base part transverse wall, lock means mounted in said opening and extending between said base part transverse wall and said wear part transverse wall, said lock means being equipped with a resilient means and a latch, said latch being resiliently movable in a transverse direction for latching and releasing said lock means in and from said opening, and one of said base part and said wear part including keeper means extending generally longitudinally for upsettably confining said lock means against the urging of said resilient means.
-
11. A lock assembly for a structure having a generally continuous face subject to abrasive wear comprising a relatively elongated base part and a relatively elongated wear part, said base part being attached to said face and outstanding therefrom and having a transverse wall for engaging lock means,
means releasably coupling said parts together including tongue means on one part in engagement with groove means on the other part, each of said tongue means and said groove means being equipped with transversely spaced apart longitudinally extending walls for releasably coupling said parts together, each of said parts having first and second longitudinally extending surfaces with the first surface of said base part being in contact with said face and the second surface of said base part being remote from said face, said wear part having first and second ends with the first surface thereof being adjacent said face, the second surface of said wear part being generally parallel to said wear part first surface and remote from said face, said wear part first surface being generally continuous and extending from said first end to said second end, one of said coupling means being along said base part second surface and the other of said coupling means being along said wear part first surface, said wear part second surface having a generally rectangular opening communicating with said base part when said parts are in assembled relation, said wear part being equipped with at least one transverse wall extending generally parallel to but spaced from said base part transverse wall, lock means mounted in said opening and extending between said base part transverse wall and said wear part transverse wall, said lock means being equipped with resilient means, said lock means including a block-shaped metal body having a pair of opposed faces engaging said base part transverse wall and said wear part transverse wall, said body having a third face orthogonally related to said pair of faces and equipped with latch means for engaging keeper means, and one of said base part and said wear part including keeper means extending generally longitudinally for upsettably confining said lock means against the urging of said resilient means.
-
15. A lock assembly for a structure having a generally continuous face subject to abrasive wear comprising a relatively elongated base part and a relatively elongated wear part, said base part being attached to said face and outstanding therefrom and having a transverse wall for engaging lock means,
means releasably coupling said parts together including tongue means on one part in engagement with groove means on the other part, each of said tongue means and said groove means being equipped with transversely spaced apart longitudinally extending walls for releasably coupling said parts together, each of said parts having first and second longitudinally extending surfaces with the first surface of said base part being in contact with said face and the second surface of said base part being remote from said face, said wear part having first and second ends with the first surface thereof being adjacent said face, the second surface of said wear part being generally parallel to said wear part first surface and remote from said face, said wear part first surface being generally continuous and extending from said first end to said second end, one of said coupling means being along said base part second surface and the other of said coupling means being along said wear part first surface, said wear part second surface having a generally rectangular opening communicating with said base part when said parts are in assembled relation, said wear part being equipped with at least one transverse wall extending generally parallel to but spaced from said base part transverse wall, one of said parts being equipped with spaced apart boss-like projections each equipped with a portion of the transverse wall associated with said one part, the other of said parts being equipped with a boss-like projection aligned with the space between said one part boss-like projections, said other part boss-like projection being equipped with the transverse wall associated with said other part, lock means mounted in said opening and extending between said base part transverse wall and said wear part transverse wall, said lock means being equipped with resilient means, and one of said base part and said wear part including keeper means extending generally longitudinally for upsettably confining said lock means against the urging of said resilient means.
-
20. A lock assembly for a wearable structure having a generally planar face subject to abrasive wear, said lock assembly comprising
a base part mounted on said face, a wear part mounted on said base part, and a lock, said parts including a tongue and groove coupling structure extending generally in a first direction to couple said parts together to prevent movement of said wear part away from said base part in a second direction generally perpendicular to said face, each part having a locking wall extending in said second direction and in a third direction transverse to said first direction, said locking walls being parallel to each other and spaced apart, one of said parts including a keeper extending generally in said first direction, and said lock being mounted between said locking walls and equipped with a latch and a resilient element enabling resilient movement of said latch in said third direction to permit passage of said latch past said keeper to releasably retain said lock between said locking walls.
-
21. A lock assembly for a structure having a generally planar face subject to abrasive wear, said face being equipped with a base part outstanding from said face,
said base part having transversely spaced apart longitudinally extending walls and at least one transverse wall, a wear part having spaced apart longitudinally extending walls for engaging said longitudinal walls of said base part to releasably couple said base part and said wear part together, first and second ends, a first surface adjacent said face of said structure and a second surface generally parallel to said first surface and remote from said structure face, said first surface being generally planar and extending from said first end to said second end, said second surface having a generally rectangular opening therein communicating with said base part, said wear part being equipped with at least one transverse wall associated with said opening and extending generally parallel to but spaced from said base part transverse wall, a lock mounted in said opening and extending between said base part transverse wall and said one transverse wall of said wear part to substantially prevent longitudinal movement of said wear part relative to said base part, said lock being equipped with a resilient element permitting transverse movement of at least a portion of said lock, and one of said parts further including a keeper proximate said opening, said keeper extending generally longitudinally for upsettably confining said lock against the urging of said resilient element.
- 24. A wear part for protecting a face of a working structure subjected to abrasive wear, said wear part comprising a pair of longitudinal sides, a pair of ends, a first surface adapted for opposing the working structure face, a second surface adapted to be remote from the working structure face to provide a wear surface, a generally T-shaped coupling structure formed with said first surface and extending longitudinally between said sides, said T-shaped coupling structure being adapted to cooperate with a base part integrally fixed to the working structure face and prevent movement of said wear part away from the working structure face, and a generally rectangular opening for receiving a lock to substantially prevent longitudinal movement of the wear part relative to the base part, said opening being defined in and extending through said second surface so that said opening communicates with said T-shaped coupling structure, said opening including a pair of sidewalls generally parallel to said wear part ends to engage with the lock and prevent longitudinal movement of said wear part and a pair of end walls generally parallel to said wear part sides, one of said opening end walls including a keeper adapted to retain a lock, said keeper including a tab extending into said opening and being spaced from said T-shaped coupling structure.
Specification