Spring devices – Rubber
Patent
1994-11-22
1995-09-05
Smith, Scott A.
Spring devices
Rubber
267141, 1731622, 30381, F16F 1377, B25D 1724
Patent
active
054472954
ABSTRACT:
In a portable work machine, such as a chain saw, a vibration preventive coil spring mounting structure is provided which, upon interposition of a vibration preventive coil spring between a main body having a power source and a covering part having handles and adapted to support the main body, can ensure stable, secure and easy fixing of the coil spring to spring mount seats and which is advantageous from the standpoint of cost. Structurally, of a vibration preventive coil spring (10) is interposed between a main body (2) including a power source and a covering part (3) including grip handles (4, 5) and arranged to partially surround the outer periphery of the main body (2) to support same. Opposite ends (LO a, lob) of the coil spring (10) contact spring mount seats (11, 6a) of the main body (2) and the covering part (3), respectively, and cylindrical resilient fixing members (20, 20) are inserted at the opposite ends (10a, 10b) of the coil spring and abut against inner peripheries thereof. Nut members ( 25, 25) are inserted into inner end portions of the resilient fixing members (20, 20) into which bolts (40, 40) are inserted respectively from sides of the spring mount seats (11, 6a) at opposite ends of the coil spring (10). The bolts are tightened to compress the resilient fixing members (20, 20) in the axial direction and swell the fixing member in a radial direction and thereby fix opposite ends (10a, 10b) of the coil spring (10) to the spring mount seats (11, 6a).
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Kioritz & Corporation
Smith Scott A.
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