Hydraulic coupler
First Claim
Patent Images
1. A coupler for releasable connection to a boom of a piece of equipment and for attaching an implement, the coupler comprising:
- a body comprising a pair of interconnected opposed plates having an upper portion and a lower portion, said upper portion having means for releasably connecting said coupler to the boom of said piece of equipment and said lower portion having a first recess and a second recess for releasable connection to said implement;
a first lever pivotably connected to said body between said plates for blocking said first recess to attach said implement;
a second lever pivotably connected to said body between said plates for blocking said second recess to attach said implement, and an actuator connected at one end thereof to said first lever and at the opposite end thereof to said second lever, wherein in operation said actuator pivotably moves said first lever and said second lever to engage and attach said implement and to disconnect said implement.
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Accused Products
Abstract
A quick coupler for attaching implements, such as buckets or other tools, to heavy equipment, such as backhoes and excavators, which includes two recesses or channels for receiving a pair of machine pins of an implement. A hydraulic piston actuates a first locking lever to enclose one of the pair of machine pins in one recess and a second locking lever to enclose the other one of the pair of machine pins in the other recess.
91 Citations
9 Claims
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1. A coupler for releasable connection to a boom of a piece of equipment and for attaching an implement, the coupler comprising:
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a body comprising a pair of interconnected opposed plates having an upper portion and a lower portion, said upper portion having means for releasably connecting said coupler to the boom of said piece of equipment and said lower portion having a first recess and a second recess for releasable connection to said implement;
a first lever pivotably connected to said body between said plates for blocking said first recess to attach said implement;
a second lever pivotably connected to said body between said plates for blocking said second recess to attach said implement, and an actuator connected at one end thereof to said first lever and at the opposite end thereof to said second lever, wherein in operation said actuator pivotably moves said first lever and said second lever to engage and attach said implement and to disconnect said implement. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification