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7011376 |
Disclosed are systems and methods for converting linear motion into circular motion.
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6074014 |
A tricycle front hub is composed of a rectangular through hole and a fastening device located securely in the rectangular through hole for holding a crank rod of a front wheel of the tricycle. The rectangular through hole is provided wit...
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5499834 |
A child's tricycle comprising a pair of rear wheels, a front wheel, a seat positioned between the front and rear wheels, a support for the seat extending between the front and rear wheels, a handle for steering, and a steering fork havin...
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5390947 |
A bicycle comprises a wheel-supporting member having an annular sleeve portion, a stub wheel spindle having a journal portion supported for rotation in the sleeve portion by thin wall, large diameter angular contact bearings, a wheel att...
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5281003 |
A bottom bracket axle assembly for a pedal powered vehicle provides an axle that includes a spindle at each end for engaging a pedal crank arm. Each spindle includes a bearing support for mounting the axle in a bottom bracket tube having...
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5236248 |
A driving structure for children's tricycle includes a cylindrical shell adapted to receive a crank case therein. The crank case is composed of an upper and a lower half cases, each is identical to the other and has a trough and two stri...
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5143427 |
A drive wheel assembly (10) for a toy vehicle includes an axle (11), a wheel (13) and a bushing (12) insertable into the hub (30) of the wheel (13). The hub (30) is provided with a generally axial aperture (32) communicating with a taper...
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4966419 |
A welded spoke wheel having a specially designed hub and knock-down crank shaft. The hub is a cylindrical tube with welded end caps. The crank shaft is assembled from a center shaft and two outer shafts. The outer shafts have radial tabs...
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4508392 |
A wheel hub is disclosed including an improved structure for mounting at least one accessory thereto. This structure includes a radially acting coupling arrangment including an axially outwardly directed rim portion about a periphery of ...
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4405179 |
A wheel capable of being used as the front or rear wheel of a chain-driven velocipede or as the front wheel of a pedal-driven tricycle has a wheel rim whose hub is formed with an axial passage and an array of receptacles extending inward...
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4344655 |
A moulded wheel made of plastic material for children's vehicle with pedal-driven wheels, consisting of two identical half-wheels (1a, 1b) separated by the symmetry plane perpendicular to the axis of the wheel and formed by a shell eleme...
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4103563 |
A bicycle pedal which has an upper surface to be engaged by the sole of a shoe of a cyclist and a toe clip for extending around the toe region of the shoe is supported for free rotary movement at all times with respect to a shaft carried...
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4049319 |
A wheel of the welded spoke variety has a hub with specially designed end caps. If the wheel is to be used as a front wheel of a tricycle, a pedal crank shaft having radial tabs is slid through openings in the end caps having inwardly pr...
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3978277 |
An insulating bushing in a high voltage system which electrically separates a conductor from a wall through which it passes. Attachment of the bushing to the wall is accomplished by applying metalization to a recess in the bushing body a...
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3645210 |
Crane trolley comprising stub axle mounted wheels which are resiliently spaced from the supporting frame. The rollers may be hollow, and contain oil boxes, bearings, and spacing springs.
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3313222 |
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3304098 |
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3269284 |
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3266813 |
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3190675 |
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3158404 |
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2994559 |
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2622931 |
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2449254 |
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2401209 |
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2280936 |
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2277727 |
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1716750 |
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1619024 |
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1611590 |
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1599702 |
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1541490 |
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1488712 |
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1459683 |
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1411852 |
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1373707 |
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RE08384 |
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RE07549 |
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1273412 |
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1241473 |
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1046589 |
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1035907 |
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1021476 |
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0981729 |
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0974662 |
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0958548 |
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0956579 |
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0885153 |
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0876070 |
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0853112 |
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