Railroad car lubricant free door lock
AssigneeStandard Car Truck Company
InventorsMichael K. Burke, Walter J. Peach
Life of this patent
Estimating the term…
Abstract
A railroad car door lock which eliminates the need for lubrication and which includes a bracket, a first base attached to the bracket, a second base attached to the bracket, aligned first and second apertures in the first and second bases for slidably receiving a locking pin, a replaceable first locking pin wear protector lockably insertable in and selectively removable from the first base to prevent contact between the locking pin and the inner edge of the first base which defines the first aperture, and a replaceable second locking pin wear protector lockably insertable in and selectively removable from the second base to prevent contact between the locking pin and the inner edge of the second base which defines the second aperture.
Claims30
A railroad car door lock comprising:
- a bracket having a side wall, a first end wall connected to and transversely extending from the side wall, and a second end wall connected to and transversely extending from the side wall, the second end wall spaced-apart from the first end wall;
- a locking pin;
- a first base attached to the bracket, the first base including a first inner edge defining a first aperture;
- a replaceable first locking pin wear protector securely attachable to and selectively removable from the first base, the replaceable first locking pin wear protector including a first locking pin engagement inner edge which defines a first locking pin receipt opening, the replaceable first locking pin wear protector configured to prevent contact between the locking pin and the first inner edge of the first base;
- a second base attached to the bracket, the second base including a second inner edge defining a second aperture;
- and
- a replaceable second locking pin wear protector securely attachable to and selectively removable from the second base, the replaceable second locking pin wear protector including a second locking pin engagement inner edge which defines a second locking pin receipt opening, the replaceable second locking pin wear protector configured to prevent contact between the locking pin and the second inner edge of the second base.
A railroad car door lock comprising:
- a bracket having a side wall, a first end wall connected to and transversely extending from the side wall, and a second end wall connected to and transversely extending from the side wall, the second end wall spaced-apart from the first end wall;
- a locking pin;
- a first base attached to the bracket, the first base including a first inner edge defining a first aperture, and an inner locking pin wear protector engagement shelf and an inner locking pin wear protector engagement shoulder which define a locking pin wear protector receipt opening, the first base defining a first transversely extending engagement pin receipt channel and a second transversely extending engagement pin receipt channel;
- a replaceable first locking pin wear protector securely attachable to and selectively removable from the first base, the replaceable first locking pin wear protector including a first inwardly bendable locking arm having a first transversely extending base engagement pin and a second inwardly bendable locking arm having a second transversely extending base engagement pin, the replaceable first locking pin wear protector including a first locking pin engagement inner edge which defines a first locking pin receipt opening, the replaceable first locking pin wear protector configured to prevent contact between the locking pin and the first inner edge of the first base;
- a second base attached to the bracket, the second base including a second inner edge defining a second aperture, and a second inner locking pin wear protector engagement shelf and a second inner locking pin wear protector engagement shoulder which define a second locking pin wear protector receipt opening, the second base defining a third transversely extending engagement pin receipt channel and a fourth transversely extending engagement pin receipt channel;
- and
- a replaceable second locking pin wear protector securely attachable to and selectively removable from the second base, the replaceable second locking pin wear protector including a third inwardly bendable locking arm having a third transversely extending base engagement pin and a fourth inwardly bendable locking arm having a fourth transversely extending base engagement pin, the replaceable second locking pin wear protector including a second locking pin engagement inner edge which defines a second locking pin receipt opening, the replaceable second locking pin wear protector configured to prevent contact between the locking pin and the second inner edge of the second base.
road car door lock of claim 25, wherein to replace the second locking pin wear protector, the second locking pin wear protector is detachable from the second base and movable through a second aperture in the second end wall.
Dependencies are inferred from the claim text.