Resistance adjusting apparatus
First Claim
1. A resistance adjusting apparatus comprising:
- a bracket having a through hole formed through the bracket;
wherein the bracket has a first plate deposited on a top part of the bracket and a second plate mounted below the first plate and having two first wings formed on and protruding from a top face of the second plate and extending out of the first plate;
a seat pivotally mounted on the bracket;
a resistance supplier mounted in the seat below the bracket; and
an adjusting assembly mounted on the bracket and connected to the seat, and the adjusting assembly havinga motor fixedly mounted on the bracket and having a spindle, the spindle rotatably mounted on a bottom face of the motor and facing the through hole of the bracket;
a stick mounted on the spindle of the motor and inserted through the through hole of the bracket, and the stick having an outer threaded portion formed on an outer surface of the stick; and
a sleeve mounted on the seat, connected to and around the stick, and having an inner threaded portion and an elongated hole, the inner threaded portion formed on an inner face of the sleeve and engaging with the outer threaded portion of the stick, and the elongated hole being transversally formed through the sleeve; and
a shaft inserted through the elongated hole of the sleeve and mounted in the seat.
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Accused Products
Abstract
A resistance adjusting apparatus has a bracket, a seat pivotally mounted on the bracket, a resistance supplier mounted in the seat, and an adjusting assembly. The adjusting assembly is mounted on the bracket and connected to the seat. The adjusting assembly has a motor, a stick and a sleeve. The motor is mounted on the bracket and has a spindle. The stick is mounted on the spindle of the motor. The stick has an outer threaded portion formed on an outer surface of the stick. The sleeve is mounted on the seat, is connected to and around the stick, and has an inner threaded portion engaging with the outer threaded portion. The motor can control the moving distance of the resistance supplier accurately. The adjustment precision and the sensitivity of the resistance adjusting apparatus are increased.
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Citations
6 Claims
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1. A resistance adjusting apparatus comprising:
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a bracket having a through hole formed through the bracket; wherein the bracket has a first plate deposited on a top part of the bracket and a second plate mounted below the first plate and having two first wings formed on and protruding from a top face of the second plate and extending out of the first plate; a seat pivotally mounted on the bracket; a resistance supplier mounted in the seat below the bracket; and an adjusting assembly mounted on the bracket and connected to the seat, and the adjusting assembly having a motor fixedly mounted on the bracket and having a spindle, the spindle rotatably mounted on a bottom face of the motor and facing the through hole of the bracket; a stick mounted on the spindle of the motor and inserted through the through hole of the bracket, and the stick having an outer threaded portion formed on an outer surface of the stick; and a sleeve mounted on the seat, connected to and around the stick, and having an inner threaded portion and an elongated hole, the inner threaded portion formed on an inner face of the sleeve and engaging with the outer threaded portion of the stick, and the elongated hole being transversally formed through the sleeve; and a shaft inserted through the elongated hole of the sleeve and mounted in the seat. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification