Length-adjusting device for control cable
AssigneesNHK Spring Co., Ltd., Uni-Flex, Inc.
InventorYoshiharu Kitamura
Life of this patent
Estimating the term…
Abstract
A length-adjusting device for a control cable which can securely be locked by a onetouch operation and is easily assembled. The device comprises an adjusting pipe, to which an outer cable is fixed with an inner cable passing therethrough, and on the outside of which are formed engaging teeth perpendicular to the axis thereof. A base member movably supports the adjusting pipe lengthwise; and an adjusting piece, is inserted into and spring-biasedly installed to said base member. A locking piece, having locking teeth engage the engaging teeth for locking the axial movement of the adjusting pipe, when fixed into the base member, and the device functioning so as to release the locking teeth from the engaging teeth due to movement of the adjusting piece.
Claims2
A length-adjusting device for a control cable comprising:
- an adjusting pipe (2) to which an outer cable (121) is fixed, with an inner cable (120) passing therethrough, said adjusting pipe (2) having engaging teeth (21) formed rectangular to the axis and outside thereof;
- a base member (3) having a pair of guide tubes (32, 33) for supporting said adjusting pipe (2);
- a square pipe portion (31), having opposed side walls, provided on said base member (3);
- a pair of square openings (31a, 31b) respectively provided on said opposed side walls of said square pipe portion (31) of said base member (3);
- an adjusting piece (5), having leg portions (5a and 5b), inserted in said square pipe portion (31) of said base member (3) in a direction perpendicular to the axis of said adjusting pipe (2), and said adjusting piece (5) being biased by a spring (4);
- a pair of square holes (51 and 52) formed in said leg portions (5a and 5b) of said adjusting piece (5);
- a locking piece (6) penetrating through said pair of square openings (31a, 31b) of said base member (3) and said pair of square holes (51, 52) of said adjusting piece (5);
- said locking piece (6) having locking teeth (61) engaging with engaging teeth (21) of said adjusting pipe (2), and
- locking projections (61, 6d) and concavities (6c, 6e) formed on said locking piece (6), said locking projections (6a, 6d) engaged respectively to said square openings (31a, 31b) of said base member (3), and said locking piece (6) being locked by inserting respectively outer walls of said square holes (51, 52) into said concavities (6c, 6e), and said locking piece (6) locking said adjusting pipe(2).
Dependencies are inferred from the claim text.