Locks – Special application – For control and machine elements
Patent
1993-06-16
1995-12-12
Boucher, Darnell M.
Locks
Special application
For control and machine elements
70247, 70238, 180287, G05G 506, E05B 6512, B60R 2506
Patent
active
054739187
ABSTRACT:
A locking device for the gearshift lever of a large truck, the gearshift lever being of the type which extends vertically upwardly through an opening in the floorboard of the truck, the locking device comprising a sleeve surrounding and firmly engaging a lower portion of the gearshift lever, the sleeve being provided with a vertical bore, a vertical locking rod being slidably mounted in the vertical bore, the locking rod having a lower end which projects below the floorboard when the rod is in its lowermost position, a horizontal locking plate attached below the floorboard and having a portion extending into the opening, the locking plate having a locking hole therethrough for receiving the lower end of the locking rod when the latter is in its lowermost position, a rotatable lock mounted on the sleeve and having a rotatable shaft therein, the locking rod being provided with a notch adjacent the upper end thereof, the lock shaft being provided with a semi-circular extension which is received in the notch when the rod is in its lowermost position.
REFERENCES:
patent: 986537 (1911-03-01), Ashton
patent: 992444 (1911-05-01), Parker et al.
patent: 1061943 (1913-05-01), Johnstone
patent: 1235863 (1917-08-01), Weissel
patent: 1334987 (1920-03-01), Larpenter
patent: 1563072 (1925-05-01), Bryant
patent: 1669924 (1928-05-01), Blood
patent: 1853036 (1932-04-01), Briggs
patent: 4693099 (1987-09-01), Cykman
patent: 4825670 (1989-05-01), Snow
patent: 5063763 (1991-11-01), Johnson
patent: 5125249 (1992-06-01), Fields et al.
Boucher Darnell M.
Dorman William S.
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