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Automatic Time-Controlled Operating Mechanism.

Description: Patent for improvements in automatic time-controlled operating mechanisms by using a combination of a spring-actuated rotary disk, a clock mechanism, and co-acting cams to automatically operating at predetermined times, electric switches and other devices, such as locking and unlocking doors of warehouses. Illustration is included.
Date: January 18, 1910
Creator: Chappel, James M.
Item Type: Refine your search to only Patent

Advertising-Machine

Description: Patent for an advertising machine for displaying various advertising cards in a motorized machine that displays all the different cards as it goes around in a circle.
Date: April 18, 1911
Creator: Helm, Virgil L.
Item Type: Refine your search to only Patent

CHURN

Description: Patent for the improvement of a churn. The churn has a detachable support and a closure for the upper end of the body of the churn.
Date: February 18, 1913
Creator: HARRISON, DAVID M.
Item Type: Refine your search to only Patent

Well Mechanism.

Description: Patent for a well mechanism with an overhung vertical drive pulley which functions as a bearing and oil reservoir for improved lubrication of the bearings; also, improved pump construction and shaft support.
Date: July 18, 1911
Creator: Layne, Mahlon E.
Item Type: Refine your search to only Patent

Cotton-Chopper.

Description: Patent for improvements in cotton choppers by providing a means for it to be “mechanically performs the work of “blocking out” the cotton, or to reduce a cotton-row to a series of equidistant hills.” (Lines 12-14) Further, to provide “means whereby the hoes may be adjusted vertically, and also having suitable means to discontinue the operation of the hoes.” (Lines 16-19) Illustration is included.
Date: January 18, 1910
Creator: Howell, James W.
Item Type: Refine your search to only Patent
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