Adjustable stem member

Details Adjustable stem member Adjustable stem member

1995-01-06

1996-05-14

Bonck, Rodney H.

Machine element or mechanism

Control lever and linkage systems

Elements

403 97, 403373, B62K 2116

Patent

active

055157440

ABSTRACT:
An adjustable stem member comprises a vertical tube having a projected portion at one end thereof and a horizontal tube to be rotatably pivoted to the projected portion through a connecting mechanism at one end thereof. The connecting mechanism includes two tubular walls, an end wall and a space defined by the tubular walls and the end wall. A lower locking mechanism includes an upper locking block, a locking block and a bolt. The locking blocks are suitably disposed within the space. When the horizontal tube is adjusted to a suitable angle, the locking blocks are forced to press the end wall of the horizontal tube and the projected portion of the vertical tube.

REFERENCES:
patent: 657290 (1900-09-01), Landis
patent: 908177 (1908-12-01), Watters
patent: 921457 (1909-05-01), Purdum
patent: 2621094 (1952-12-01), Brown
patent: 3361455 (1968-01-01), Hussey et al.
patent: 3388612 (1968-06-01), Oakley et al.
patent: 5327798 (1994-07-01), Lerch

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