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Salflex Polymers Limited

Michael R Harrison

Jamie White

Max Gibbs

Duc Dao

Mike Hopson

Eugene R Keeler

A combined CV joint boot and inner seal includes a boot portion having a first end and a second end and having a shaft sealing portion at the first end for sealing with a first shaft of the CV joint. A front can sealing portion is positioned at the second end of the boot portion. An inner seal portion extends generally inwardly towards the CV joint longitudinal axis to block lubricant from migrating into the interior of the boot portion.

Inner seal for CV joint boot

An inner seal is provided for protecting a CV joint boot for a CV joint. The CV joint includes a bearing, a back sealing means and a front can. The bearing operatively connects a first shaft and a second shaft. The bearing has an inner race and an outer race and has a front and a back. The first shaft is connected to the inner race. The second shaft is connected to the outer race. The front can is connected to the outer race. The back sealing means seals against leakage of lubricant from the back of the bearing. The inner seal comprises an inner seal body having a front can sealing portion for sealing with the front can to inhibit the migration of lubricant from the bearing therebetween. The inner seal body has a shaft sealing portion for sealing with the first shaft to inhibit the migration of lubricant from the bearing therebetween. The inner seal body has a shield portion that extends between the front can sealing portion and the shaft sealing.

Timing apparatus is provided for use in calibrating a wristwatch whose timing accuracy depends on the oscillation frequency of an electrical oscillator in the wristwatch. Electrical energy radiated from the wristwatch is picked up and in response there is produced a first periodic signal whose fundamental frequency depends on the oscillation frequency. In response to the first periodic signal there is produced a second periodic signal. The first and second periodic signals have the same fundamental frequency, but a frequency-dependent phase-shifting circuit causes a phase shift to be defined between the first and second periodic signals. The amount of this phase shift depends on the frequency difference between the equal fundamental frequencies and a predetermined standard frequency. An indicator is provided, and a phase-difference detecting circuit arrangement causes the indicator to display an indication of said frequency difference.

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Dearborn, MI, United States of America

Michael R Harrison