Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1981-10-05
1984-05-29
Braun, Leslie A.
Machine element or mechanism
Control lever and linkage systems
Elements
84231, 84358, G05G 116
Patent
active
044507330
ABSTRACT:
An adjustable pedal extension device for the demountable attachment to a pedal of a machine, such as a piano, and which permits a user to manipulate an otherwise unreachable or difficult to reach foot pedal. The device includes a body frame having a supporting structure with an open end for receiving a pedal and an adjustable clamping member for securing the supporting structure to a pedal. A horizontal extension means is adjustably attached by a first securement means to the body frame, and a vertical extension means is adjustably secured to the horizontal extension means by a second securement means. The vertical extension means has a generally horizontal portion extending outward at its upper end to receive the foot of a user. The horizontal and vertical extension means are generally interchangeable L-shaped members having leg portions of varying lengths to effectuate a wide range of pedal extension distances. Further, a pedal adjustment means extends from the body frame to permit the removal or decrease of pedal play or ineffective pedal movement. Also included in the device are mounting, demounting, adjusting and securing features which permit the pedal extension device to be utilized without the requirement of tools.
REFERENCES:
patent: 811279 (1906-01-01), Creighton et al.
patent: 969670 (1910-09-01), Stickel
patent: 1812706 (1931-06-01), Mednikoff
patent: 1918510 (1933-07-01), Woodall
Braun Leslie A.
Eggink Anthony G.
McKenzie Frank
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