Transmission structure of toy fire engine

Details Transmission structure of toy fire engine Transmission structure of toy fire engine

1996-11-05

1998-06-16

Hafer, Robert A.

Amusement devices: toys

Figure toy or accessory therefor

Rollable

446314, 446432, 446437, 446465, A63H 1708

Patent

active

057660565

ABSTRACT:
A transmission structure of toy fire engine including a casing in which a power source is disposed and connected to a driving shaft for rotating two cams disposed in the casing and two cams disposed outside the casing. The outer cams serve to drive two lateral slide members to slide and push two decorative members pivotally disposed on two sides of the casing to pivot outward. One of the inner cams via a support rod abuts against a linkage set to drive a scaling ladder to pivot upward from the casing or downward to the casing. When the scaling ladder is pivoted to an upright position, a movable doll is driven to climb up along the scaling ladder. The other of the inner cams pushes a pushing slide member to depress a pushing shaft of a rotary power wheel set, making the rotary power wheel set descend and touch the ground for driving the toy fire engine to running.

REFERENCES:
patent: 474486 (1892-05-01), Carpenter
patent: 818261 (1906-04-01), Kingsbury
patent: 2551036 (1951-05-01), Mills
patent: 5139456 (1992-08-01), Chuang
patent: 5542872 (1996-08-01), Ho
patent: 5641317 (1997-06-01), Huang

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