Excavating – Snow or ice removing or grooming by portable device – With specific means to facilitate connection to – or...
Patent
1992-09-02
1994-10-11
Reese, Randolph A.
Excavating
Snow or ice removing or grooming by portable device
With specific means to facilitate connection to, or...
37271, E01H 504
Patent
active
053535308
ABSTRACT:
Detachably connecting a snow plow assembly (20) to a vehicle (22). The snow plow assembly includes a vehicle mount frame (28) and a lift assembly (30). The mount frame is for connecting to a vehicle frame (26) behind a front bumper (24). The lift assembly includes an A-frame (42) and a lift frame (44) with the forward end (70) of the A-frame for supporting a snow blade (40). Means (75) is provided for pivotally connecting a rear end (74) of the A-frame to the lift frame so that the A-frame is free to rotate relative to the lift frame. Additional means (82) is provided for releasably connecting the lift frame to the mount frame whereby the lift assembly can be attached to or detached from the mount frame as a single unit while leaving the mount frame connected to the vehicle. Preferred embodiments include connecting means (82) being provided with a U-shaped channel (84) having means (88) for horizontally aligning the mount frame relative to the channel when attaching the lift frame to the mount frame, the mount frame provided with means (96) for vertically guiding the U-shaped channel into a slot (104) on the mount frame, the mount frame being connected to the channel by a retractable spring pin (86) and the lift frame including an actuator (56) for raising and lowering the A-frame and the snow blade.
REFERENCES:
patent: 4236329 (1980-12-01), Hetrick
patent: 4342163 (1982-08-01), Hoekstra
patent: 4962599 (1990-10-01), Harris
patent: 4991323 (1991-02-01), Benkler
patent: 5075988 (1991-12-01), Ciula
patent: 5125174 (1992-06-01), Watson et al.
patent: 5136795 (1992-08-01), Rosenberg
patent: 5142801 (1992-09-01), Feller
patent: 5155929 (1992-10-01), Vachon
Bunyard R. J.
Douglas Dynamics Inc.
Fillnow L. A.
Johnson R. H.
McBee J. Russell
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