Excavating – Combined or convertible – Having quick-connect coupling
Patent
1996-04-18
1998-03-17
Melius, Terry Lee
Excavating
Combined or convertible
Having quick-connect coupling
414723, E02F 396
Patent
active
057273421
ABSTRACT:
The invention provides a coupling assembly for coupling a tool to a dipperstick, or arm, on an apparatus which has a hydraulic system for moving the tool. The coupling assembly includes a coupler body having a frame that defines a central cavity, and also having link structure for pivotally coupling to the dipperstick. An actuator assembly positioned within the central cavity includes a latch pin that can slide between an engaged position and a retracted position. In the engaged position, an end of the latch pin projects out from a rear end of the frame for engaging a receptacle defined by the tool. In the retracted position, the end of the latch pin does not project out from the frame. A bias structure normally urges the latch pin toward the engaged position with a bias force. A hydraulic latch cylinder has a fixed part and a movable part rigidly coupled to the latch pin such that, when the movable part is extended from the fixed part, the latch pin is urged to the retracted position.
REFERENCES:
patent: 2984985 (1961-05-01), MacMillin
patent: 3633460 (1972-01-01), Ohniwa et al.
patent: 3691908 (1972-09-01), Hackmann et al.
patent: 3782249 (1974-01-01), Drone
patent: 3871266 (1975-03-01), Schwab et al.
patent: 3876091 (1975-04-01), MacDonald
patent: 3934738 (1976-01-01), Arnold
patent: 3985249 (1976-10-01), Aker et al.
patent: 4068959 (1978-01-01), Pemberton
patent: 4127203 (1978-11-01), Arnold
patent: 4136792 (1979-01-01), Wilson
patent: 4187050 (1980-02-01), Barbee
patent: 4214840 (1980-07-01), Beales
patent: 4243356 (1981-01-01), Takojima
patent: 4251181 (1981-02-01), Drott et al.
patent: 4279085 (1981-07-01), Arnold
patent: 4311428 (1982-01-01), Arnold
patent: 4345872 (1982-08-01), Arnold
patent: 4355945 (1982-10-01), Pilch
patent: 4417844 (1983-11-01), de Pingon
patent: 4457085 (1984-07-01), Arnold
patent: 4480955 (1984-11-01), Andrews et al.
patent: 4586867 (1986-05-01), Stafford
patent: 4593791 (1986-06-01), Matthews
patent: 4736673 (1988-04-01), Harada et al.
patent: 4787237 (1988-11-01), Houston et al.
patent: 4810162 (1989-03-01), Foster
patent: 4824319 (1989-04-01), Arnold
patent: 4833760 (1989-05-01), Sundstrom
patent: 4850790 (1989-07-01), Johnson et al.
patent: 4881867 (1989-11-01), Essex et al.
patent: 4955779 (1990-09-01), Knackstedt
patent: 5010962 (1991-04-01), Bloom, Jr.
patent: 5049027 (1991-09-01), Morrison et al.
patent: 5082389 (1992-01-01), Balemi
patent: 5107610 (1992-04-01), Fusco
patent: 5110254 (1992-05-01), Aubrey
patent: 5147173 (1992-09-01), Fauber et al.
patent: 5256026 (1993-10-01), Kishi
patent: 5324162 (1994-06-01), Kishi
patent: 5332353 (1994-07-01), Arnold
patent: 5333695 (1994-08-01), Walter
patent: 5350250 (1994-09-01), Nagler
patent: 5400531 (1995-03-01), Brown
patent: 5494396 (1996-02-01), Geier et al.
patent: 5546683 (1996-08-01), Clark
Caterpillar D8N Track-Type Tractor, Brochure, pp. 4 & 5, Jun. 1996.
John Deere 690E LC Excavator, Brochure, p. 2, Jun. 1996.
J.B. International Ltd., "World's No. 1 J.B. Loader-Excavator Quick Coupler," 2 pages.
Hendrix Manufacturing Company, Inc., "The Most Versatile Coupler in the World," 5 pages, Jun. 1989.
Swift Hitch, "How Would you Chnage a Bucket in Seven Seconds? All it Takes is One Finger," 4 pages.
Batson Victor
Melius Terry Lee
Wain-Roy, Inc.
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