DK185991A - H / B THUMB FLAP MECHANICS FOR A TREE BLADE INSTRUMENT - Google Patents

H / B THUMB FLAP MECHANICS FOR A TREE BLADE INSTRUMENT Download PDF

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Publication number
DK185991A
DK185991A DK185991A DK185991A DK185991A DK 185991 A DK185991 A DK 185991A DK 185991 A DK185991 A DK 185991A DK 185991 A DK185991 A DK 185991A DK 185991 A DK185991 A DK 185991A
Authority
DK
Denmark
Prior art keywords
rod
key
mechanics
flat
tree blade
Prior art date
Application number
DK185991A
Other languages
Danish (da)
Other versions
DK185991D0 (en
DK168838B1 (en
Inventor
Johan Broegger
Original Assignee
Johan Broegger
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johan Broegger filed Critical Johan Broegger
Priority to DK185991A priority Critical patent/DK168838B1/en
Publication of DK185991D0 publication Critical patent/DK185991D0/en
Publication of DK185991A publication Critical patent/DK185991A/en
Application granted granted Critical
Publication of DK168838B1 publication Critical patent/DK168838B1/en

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Abstract

A B/B flat thumb key mechanism with a diagonally arranged rod 1 which is equipped with two rockable levers 2, 3 arranged on rotatable tubular hinges for transmitting the movement of the B key to the B flat key on the main rod 4 via a driver 3A. The diagonally arranged B/B flat thumb key rod makes possible a double extended rod which brings about greater wear resistance and greater stability, and also makes possible the use of needle springs in the B/B flat thumb key mechanism, which provides a uniform spring action in relation to the main mechanism. <IMAGE>
DK185991A 1991-11-13 1991-11-13 B/B flat thumb key mechanism for a woodwind instrument DK168838B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK185991A DK168838B1 (en) 1991-11-13 1991-11-13 B/B flat thumb key mechanism for a woodwind instrument

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK185991A DK168838B1 (en) 1991-11-13 1991-11-13 B/B flat thumb key mechanism for a woodwind instrument
DK185991 1991-11-13

Publications (3)

Publication Number Publication Date
DK185991D0 DK185991D0 (en) 1991-11-13
DK185991A true DK185991A (en) 1993-05-14
DK168838B1 DK168838B1 (en) 1994-06-20

Family

ID=8108593

Family Applications (1)

Application Number Title Priority Date Filing Date
DK185991A DK168838B1 (en) 1991-11-13 1991-11-13 B/B flat thumb key mechanism for a woodwind instrument

Country Status (1)

Country Link
DK (1) DK168838B1 (en)

Also Published As

Publication number Publication date
DK185991D0 (en) 1991-11-13
DK168838B1 (en) 1994-06-20

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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