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    • 12. 发明专利
    • SHOCK ABSORBER OF POWER TRANSMISSION
    • JPH10169684A
    • 1998-06-23
    • JP35191096
    • 1996-12-10
    • IDE TSUKASAIDE HIROSHI
    • IDE TSUKASAIDE HIROSHI
    • F16F7/00F16F7/02
    • PROBLEM TO BE SOLVED: To enlarge the damping capacity of a shock absorber by means of an obtained sufficiently large stroke by sectioning a shock absorber by means of a partitioning board at equal intervals by interposing plural pieces of rubber body in an annular storing space formed between a casing of large diameter and a casing of small diameter. SOLUTION: A casing 3b with a small diameter is fitted in a casing 3a with a large diameter made of stainless steel so as to form an annular storing space between the casing 3a and the casing 3b and plural rubber balls 5 are arranged in the storing space in mutually contact state. And the inside of the storing space is sectioned by partitioning boards 31, 32 perpendicularly to the inner circumferential wall and the outer circumferential wall of the casing 3a, 3b. In the case of such a shock absorber 2, when the shaft rotates so as to transmit power, the casing makes its turn, and a rubber ball 5 sandwiched between partitioning boards 31, 32 is contracted or extended to be damped and also the stroke can be set large. Therefore, a large initial displacement is attained by a small load and shock van be damped by a large displacement quantity.
    • 17. 发明专利
    • TENSIONER
    • JPH02180332A
    • 1990-07-13
    • JP33195288
    • 1988-12-29
    • NHK SPRING CO LTD
    • KOJIMA JUJI
    • F16F3/04F16F7/02F16H7/08
    • PURPOSE:To have sure locking of a tension rod in any desired position by fitting a coil part on the tension rod in close contact, furnishing a friction brake whose one end engaged with a casing and the other end works as an operational end to perform dia. widening and contraction of the coil part, and performing locking and releasing of the rod. CONSTITUTION:When a knob 12 is slided in the LOCK direction along a slit 13, the coil dia. of a lock spring 10 is contracted to cause application of a friction force on a tension rod 2, which is advancing motive is locked against the force of a compressive spring 4. When the knob 12 is slided in OPEN direction, on the other hand, the coil dia. of the lock spring 10 is enlarged to cause release of locking, and the tension rod 2 is advanced by the compressive spring 4. When moved to a channel-shaped end of slit 13 on the OPEN side, this knob 12 is prevented from automatic returning, and the lock spring 10 is maintained in the dia. enlarged condition, and thus action of a tensioner 1 is continued. Thereby locking the rod 2 from further advancing can be made in any desired position.