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Karl R Lemmerman, Age 733748 Bogey Dr, Bismarck, ND 58503

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Known as:
Karl Ray Lemmerman Karl L Lemmerman
Related to:
Loretta G Lemmerman 75

Karl Lemmerman Phones & Addresses

3748 Bogey Dr, Bismarck, ND 58503 (701) 224-0044

1030 Saint Benedict Dr, Bismarck, ND 58501

Denver, CO

Arvada, CO

Mentions for Karl R Lemmerman

Publications & IP owners

Us Patents

Rear Dumping Dragline Bucket And Rigging System

US Patent:
6272775, Aug 14, 2001
Filed:
Aug 30, 1999
Appl. No.:
9/386524
Inventors:
Don F. Schmidt - Bismarck ND
DuWayne A. Marthaller - Mandan ND
Karl Lemmerman - Bismarck ND
Dean Bray - Bismarck ND
William Lengenfelder - Bismarck ND
R. Steven Metzger - Casper WY
Assignee:
Dakota Coal Company - Bismarck ND
International Classification:
E02F 360
US Classification:
37399
Abstract:
An excavator dragline bucket is supported by a hoist line from a dragline power unit, and pivots about the connection of the hoist line to the bucket. The bucket is designed to dump toward the rear, and has a gate that is latched in position during the loading of the bucket, and which will be automatically unlatched as the bucket tilts rearwardly. The gate is connected through a double pivoting bellcrank that is operated by control links connected to the hoist member such that as the angle between the bucket and the hoist member changes, the control link loads the double pivoting lever and releases the latch. When the bucket has been dumped and is returned to its horizontal position, the tailgate first moves against the rear edges of the bucket, and subsequently the double pivoting lever permits the tailgate to slide along its plane to a latched position.

Possible Relatives

John O Lemmerman  Patricia A Lemmerman  Karl M Stang  Karl O White  Karl A Starkweather  Karl I Staub  Karl W Steen  Karl F Stein  Karl J Steiner  Karl R Mcguire 

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