Crank handle apparatus

Details Crank handle apparatus Crank handle apparatus

1988-03-07

1988-12-20

Aschenbrenner, Peter A.

Machine element or mechanism

Control lever and linkage systems

Elements

16121, 403165, G05G 100

Patent

active

047918284

ABSTRACT:
An improved crank handle apparatus including a rod with radial protrusions near its distal end and a rotatable handle having a passageway receiving the rod, the passageway including a proximal portion with keyways therealong for protrusion passage during assembly, a middle retaining portion ending the keyways, and a distal portion of larger cross-section to accommodate the protrusions in any rotational position.

REFERENCES:
patent: 627227 (1899-06-01), Fenton
patent: 2766473 (1956-10-01), Thackara
patent: 4052768 (1977-10-01), Yamazaki et al.
patent: 4083264 (1978-04-01), Klompenburg
patent: 4388012 (1983-06-01), Erickson
patent: 4534240 (1985-08-01), Dietz et al.

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