The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 1994
Filed:
Sep. 02, 1992
James C Pieper, Spruce Head, ME (US);
Douglas Dynamics, Inc., Milwaukee, WI (US);
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.