Tool retention system

Patent metadata

Field	Value
Publication number	US-9200433-B2
Application number	US-201314045150-A
Country	US
Kind code	B2
Filing date	Oct 3, 2013
Priority date	Oct 3, 2013
Publication date	Dec 1, 2015
Grant date	Dec 1, 2015

Abstract

A retention system is provided for use with a ground engaging tool. The tool retention system may have a generally C-shaped clamp configured to be disposed within an aperture of a work implement and to engage apertures in a tool adapter and a wedge disposed within the apertures of the tool adapter and the work implement and against the generally C-shaped clamp. The retention system may additionally have a generally C-shaped slider disposed within the apertures of the tool adapter to engage the aperture of the work implement and a fastener configured to connect the generally C-shaped slider to the wedge. A retention cap with an expandable retention washer may be secured over a head of the fastener to prevent unwanted rotation.

First claim

What is claimed is:

1. A retention cap for use with a fastener having a head with a tool interface, the retention cap comprising:
a body having a top surface and a bottom surface;
a protrusion extending outward from the body; and
a retention plug extending from the bottom surface of the body, the retention plug including a threaded fastener, a rubber insert received around the threaded fastener, and a nut positioned on the threaded fastener, wherein the retention plug is confi…

Assignees

• Caterpillar Inc

Inventors

• Tasovski Vasil S

Classifications

• E02F9/2825

  Fixed Constructions · mapped topic

• E02F9/2833

  Fixed Constructions · mapped topic

• E02F9/2841 Primary

  Fixed Constructions · mapped topic