Hatch Cover Lock
AssigneeNew York Air Brake Corporation
InventorMichael E. Ring
Life of this patent
Estimating the term…
Abstract
A hatch cover lock comprises a front member including a pair of flanges, a rear member positioned between the pair of flanges; a gap defined between front member and the rear member; a clamp defining a J-shaped cross-section in a plane normal to a length thereof, the clamp having one leg thereof disposed in the gap and having another leg thereof disposed parallel to an outer surface of the rear member and at a distance therefrom, a handle, a first pivotal connection between the handle and the front member, a gravity lock, a second pivotal connection between the gravity lock and the handle, and a weld-free connection between the main portion of the rear member and the main portion of the front member.
Claims17
A hatch cover lock comprising:
- (a) a front member including a main portion, a pair of flanges upstanding on said main portion adjacent opposite edges thereof, and an aperture formed through a thickness of said main portion;
- (b) a rear member including a main portion and a curved slot formed through a thickness of said main portion of said rear member, said main portion of said rear member having a width thereof sized to be positioned between inner surfaces of said pair of flanges;
- (c) a gap defined between an inner surface of said main portion of said front member and an inner surface of said main portion of said rear member;
- (d) a clamp defining a J-shaped cross-section in a plane normal to a length thereof, said clamp having one leg thereof disposed in said gap and having another leg thereof disposed parallel to an outer surface of said main portion of said rear member and at a distance therefrom;
- (e) a handle;
- (f) a first pivotal connection between said handle and said front member;
- (g) a gravity lock;
- (h) a second pivotal connection between said gravity lock and said handle;
- and
- (i) a weld-free connection between said main portion of said rear member and said main portion of said front member.
A hatch cover lock comprising:
- (a) a front member comprising a pair of flanges;
- (b) a rear member positioned between inner surfaces of said pair of flanges parallel to said front member;
- (c) a gap defined between said front member and said rear member;
- (d) a clamp defining a J-shaped cross-section in a plane normal to a length thereof, said clamp having one leg thereof disposed in said gap;
- (e) a handle extending outwardly from said front and rear members;
- (f) a first pivotal connection between said handle and said front member;
- (g) a gravity lock;
- (h) a second pivotal connection between said gravity lock and said handle;
- and
- (i) a weld-free connection between said rear member and said front member.
Dependencies are inferred from the claim text.