Telescopic shock absorber
First Claim
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1. A telescopic shock absorber comprising:
- a. a cylindrical tube,b. a piston rod extending into said tube, said piston rod having a piston thereon received within said tube and comprising;
an endpiece secured to the end of said piston rod;
a pair of brake discs slidingly received on said rod inwardly of said endpiece and mounted to have no radial movement with respect to said rod, said brake discs having oppositely directed, confronting slanted surfaces thereon;
a wedge received between said brake discs and mounted for radial shifting relative to said rod, said wedge having oppositely directed slanting surfaces on the opposite sides thereof extending generally parallel to the confronting slanted surfaces on said brake discs; and
resilient means inwardly of said brake discs for urging said brake discs toward said endpiece; and
c. means in the slide path of the rod engageable by said endpiece for producing resistance to sliding movement of the rod, including compressible members having a circular cross-section.
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Abstract
A telescopic shock absorber having means in the slide path of the piston rod for producing resistance to sliding and braking of the return movement of the rod including a plurality of compressible spheres with expansion and centering rings positioned between the spheres. Also included are a pair of slanting brake discs secured to the rod, as well as a slanting wedge positioned therebetween.
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Citations
14 Claims
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1. A telescopic shock absorber comprising:
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a. a cylindrical tube, b. a piston rod extending into said tube, said piston rod having a piston thereon received within said tube and comprising;
an endpiece secured to the end of said piston rod;
a pair of brake discs slidingly received on said rod inwardly of said endpiece and mounted to have no radial movement with respect to said rod, said brake discs having oppositely directed, confronting slanted surfaces thereon;
a wedge received between said brake discs and mounted for radial shifting relative to said rod, said wedge having oppositely directed slanting surfaces on the opposite sides thereof extending generally parallel to the confronting slanted surfaces on said brake discs; and
resilient means inwardly of said brake discs for urging said brake discs toward said endpiece; andc. means in the slide path of the rod engageable by said endpiece for producing resistance to sliding movement of the rod, including compressible members having a circular cross-section. - View Dependent Claims (2, 3, 4, 5)
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6. A telescopic shock absorber comprising:
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a a cylindrical tube; b a piston rod extending into said tube; c means in the slide path of the rod for producing resistance to sliding and braking of the return movement of the rod, including compressible members having a circular cross-section, said compressible members being a plurality of substantially axially aligned spheres; and d an expansion and centering elastic ring positioned between each pair of said aligned spheres, wherein said rings have surfaces facing said spheres, said surfaces being in the shape of hollow cones, the tilt angle of the cones being larger than the diameter of said spheres. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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Specification