Pivotable motor with mounting pin
First Claim
Patent Images
1. In a sewing machine, an electric motor including sheet metal end brackets with integral parallel arms;
- a frame extending over the motor including a pair of depending bosses;
an elongate pin extending between and supported in end portions of the parallel arms on the end brackets, the pin extending parallel to the motor shaft and including opposite end portions which project beyond the end portions of said parallel arms;
a resilient block wherein one of the end portions of the pin is supported;
another resilient block wherein the other end portion of the pin is supported;
clamps secured to said bosses and in enforced engagement with the resilient blocks for affixing the blocks in the frame;
a power transmission belt in the machine drivable by the motor; and
means for pivoting the motor about the axis of said pin to effect a tension adjustment in the belt.
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Accused Products
Abstract
A sewing machine motor is provided with an elongate pin which is affixed in the end portions of the arms of sheet metal motor end brackets, and which is pivotally mounted in frame affixed resilient end blocks to enable the motor to be adjusted about the axis of the pin for the purpose of altering tension in a belt driven by the motor.
18 Citations
6 Claims
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1. In a sewing machine, an electric motor including sheet metal end brackets with integral parallel arms;
- a frame extending over the motor including a pair of depending bosses;
an elongate pin extending between and supported in end portions of the parallel arms on the end brackets, the pin extending parallel to the motor shaft and including opposite end portions which project beyond the end portions of said parallel arms;
a resilient block wherein one of the end portions of the pin is supported;
another resilient block wherein the other end portion of the pin is supported;
clamps secured to said bosses and in enforced engagement with the resilient blocks for affixing the blocks in the frame;
a power transmission belt in the machine drivable by the motor; and
means for pivoting the motor about the axis of said pin to effect a tension adjustment in the belt. - View Dependent Claims (2, 3, 4, 5, 6)
- a frame extending over the motor including a pair of depending bosses;
Specification