Coupler
First Claim
1. A coupler for attaching an accessory to an excavator arm of an excavator, the coupler comprising a frame with a first half for connecting to the excavator arm and a second half for connecting to the accessory, the second half comprising:
- a front jaw with a movable front latch associated therewith, the front latch having a latching position and a non-latching position, and being for latching one of two attachment pins of the accessory within the front jaw when it is in its latching position;
a rear latch, the rear latch having a retracted position and an advanced position, and being for engaging a second of the attachment pins when it is in its advanced position; and
a trigger member mounted for movement relative to the frame, the trigger member being arranged for movable interaction with both the front latch and the rear latch so as to move, respectively, the front latch between its latching position and its non-latching position and the rear latch between its advanced position and its retracted position.
1 Assignment
0 Petitions
Accused Products
Abstract
A coupler (10) for securely attaching an accessory to an excavator arm of an excavator. The coupler (10) comprises a first half (16) for connecting to the excavator arm and a second half (18) for connecting to the accessory. The second half comprises a front jaw with a movable front latch associated therewith, the front latch having a latching position and a non-latching position, and being for latching one of two attachment pins of the accessory within the front jaw when it is in its latching position. The second half also has a rear latch, the rear latch having a retracted position and an advanced position, and being for engaging a second of the attachment pins when it is in its advanced position. The second half also has a trigger member mounted for movement relative to the frame, the trigger member being arranged for movable interaction with both the front latch and the rear latch so as to move, respectively, the front latch between its latching position and its non-latching position and the rear latch between its advanced position and its retracted position.
23 Citations
20 Claims
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1. A coupler for attaching an accessory to an excavator arm of an excavator, the coupler comprising a frame with a first half for connecting to the excavator arm and a second half for connecting to the accessory, the second half comprising:
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a front jaw with a movable front latch associated therewith, the front latch having a latching position and a non-latching position, and being for latching one of two attachment pins of the accessory within the front jaw when it is in its latching position; a rear latch, the rear latch having a retracted position and an advanced position, and being for engaging a second of the attachment pins when it is in its advanced position; and a trigger member mounted for movement relative to the frame, the trigger member being arranged for movable interaction with both the front latch and the rear latch so as to move, respectively, the front latch between its latching position and its non-latching position and the rear latch between its advanced position and its retracted position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification