Description: Patent for an improved thill coupling, one meant to "prevent the annoyance of nuts coming off, allowing the thill to come out of place" (lines 55-57). "It is also for the purpose of facilitating the changing of a pair of shafts for a tongue or a tongue for shafts" (lines 59-61).
Date: June 8, 1897
Creator: Kitching, David C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department