Resource Type

Locking Device for Blind Slats (open access)

Locking Device for Blind Slats

Patent for a locking device for blind slats. "The object in view is the provision of improved means formed with a resilient member for engaging the slat adjusting strip for turning the same and exerting strain thereon for preventing accidental movement thereof and of the slats" (lines 17-22). Illustration
Date: December 10, 1912
Creator: Franklin, Robert M.
System: The Portal to Texas History
Fastener for Blind Slats (open access)

Fastener for Blind Slats

Patent for fasteners for blind slats. This invention is an improved spring actuated device attached with a central rod of the shutter. Illustration included.
Date: December 10, 1912
Creator: Franklin, Robert M.
System: The Portal to Texas History
Discharge Pipe (open access)

Discharge Pipe

Patent for a discharge pipe. This invention is a flexible connection for use between the sections of metallic pipe in order to discharge material out of the dredger. Illustration included.
Date: December 10, 1912
Creator: Berndt, Frank
System: The Portal to Texas History