Coupler With Improved Jaw Configuration
First Claim
1. An excavator coupler adapted to be attached to an excavator arm of a digger, and to be connected to an attachment, such as a bucket, having at least one pin, wherein the coupler comprises:
- a front jaw adapted for engaging a pin, the jaw having an opening for the pin, the opening facing generally longitudinally relative to the length of the coupler and the jaw comprising an interior space, and lips that partially occlude the interior space so as to provide a profile for the jaw that has a widened interior relative to the narrower of the gap between the lips and the opening of the jaw, and wherein one lip is provided on an upper wall of the jaw and the other lip is provided on a lower wall of the jaw.
2 Assignments
0 Petitions
Accused Products
Abstract
An excavator coupler that is either attached to, or for attachment to, an excavator arm of a digger for connecting an attachment, such as a bucket, to the excavator arm of the digger, the attachment having at least one bucket or coupler pin, wherein the coupler comprises a jaw for engaging that pin, the jaw comprising an interior space for the pin, and lips that partially occlude the interior space so as to provide a profile for the jaw that has a widened interior relative to either the gap between the lips or the opening of the jaw, if narrower, one lip being provided on an upper wall of the jaw and the other lip being provided on a lower wall of the jaw.
36 Citations
43 Claims
-
1. An excavator coupler adapted to be attached to an excavator arm of a digger, and to be connected to an attachment, such as a bucket, having at least one pin, wherein the coupler comprises:
a front jaw adapted for engaging a pin, the jaw having an opening for the pin, the opening facing generally longitudinally relative to the length of the coupler and the jaw comprising an interior space, and lips that partially occlude the interior space so as to provide a profile for the jaw that has a widened interior relative to the narrower of the gap between the lips and the opening of the jaw, and wherein one lip is provided on an upper wall of the jaw and the other lip is provided on a lower wall of the jaw. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
-
2. An excavator coupler adapted to be attached to an excavator arm of a digger, and to be connected to an attachment, such as a bucket, having at least one pin, wherein the coupler comprises:
a front jaw adapted for engaging a pin, the jaw having an opening for the pin, the opening facing generally longitudinally relative to the length of the coupler and the jaw comprising an interior space, and at least one lip that partially occludes the interior space so as to provide a profile for the jaw that has a widened interior relative to the opening of the jaw, the lip being provided on either an upper wall of the jaw or on a lower wall of the jaw, the front jaw not being associated with a latching means. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
-
3. An excavator coupler adapted to be attached to an excavator arm of a digger, and to be connected to an attachment, such as a bucket, having at least one pin, wherein the coupler comprises:
a front jaw adapted for engaging a pin, the jaw having an opening for the pin, the opening facing generally longitudinally relative to the length of the coupler and the jaw comprising an interior space, and at least one lip that partially occludes the interior space so as to provide a profile for the jaw that has a widened interior relative to the jaw'"'"'s opening, the lip being provided on an upper wall of the jaw. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36)
-
4. An excavator coupler adapted to be attached to an excavator arm of a digger, and to be connected to an attachment, such as a bucket, having at least one pin, wherein the coupler comprises:
a front jaw adapted for engaging a pin, the jaw having an opening for the pin, the opening facing generally longitudinally relative to the length of the coupler and the jaw comprising an interior space, and at least one lip that partially occludes the interior space so as to provide a profile for the jaw that has a widened interior relative to the opening of the jaw, the lip being provided on a lower wall of the jaw and a gravity operated latching means associated with the front jaw, the latching means being provided on an upper wall of the jaw and being arranged to operate under the influence of gravity such that it will fall under the influence of gravity from a normal latching position, in which it partially occludes the interior space, into a non-latching position, upon inverting the coupler. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43)
Specification