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US 6,292,975 B1Granted
Wiper unit
AssigneeJidosha Denki Kogyo Kabushiki Kaisha
InventorsYosinori Isii, Yukiho Murata, Koji Ito
Life of this patent
Estimating the term…
Abstract
A wiper unit comprises a wiper motor provided with a motor yoke and a gear case screwed to the motor yoke, a motor arm, a wiper frame, a pivot shaft, a pivot arm and a link connecting rod. The gear case of the wiper motor is formed with a frame-holder portion having a semi-circular cross section to be fitted with the wiper frame for supporting the wiper frame, and the wiper frame is secured to the frame-holder portion of the gear case by, for example, tightening a screw.
Claims3
A wiper unit for wiping a windshield of a vehicle, comprising:
- a wiper motor provided with an armature rotating in a motor yoke, a gear case secured to said motor yoke, and an output shaft connected with said armature through a reduction gear;
- a motor arm fixed to the output shaft of said wiper motor;
- a wiper frame having a tubular shaped frame body, a body-fixation part to be fixed to the vehicle body at an end of said frame body and a pivot shaft holder;
- a frame cover fixed to said wiper frame;
- a pivot shaft rotatably supported by the pivot shaft holder of said wiper frame;
- a pivot arm secured to said pivot shaft;
- and
- a link connecting rod connected with said motor arm and said pivot arm, respectively;
- wherein
- said frame body of the wiper frame is provided with a case-fixing portion formed with a first and a second hole passing through said frame body;
- said gear case of the wiper motor is provided with a frame-holder portion formed with a third hole and having a semi-circular cross section to be fitted with said case-fixing portion of the wiper frame for supporting said wiper frame at the case-fixing portion;
- said frame cover is fixed on said case-fixing portion of the wiper frame;
- and
- said wiper frame is secured to said gear case of the wiper motor together with said frame cover by tightening a screw passed through the first and second holes formed in said case-fixing portion of the wiper frame into the third hole formed in said frame-holder portion of the gear case to substantially cover the whole circumference of said case-fixing portion with said frame cover and said frame-holder portion of the gear case.
11 more elements
A wiper unit for wiping a windshield of a vehicle, comprising:
- a wiper motor provided with an armature rotating in a motor yoke, a gear case secured to said motor yoke, and an output shaft connected with said armature through a reduction gear;
- a motor arm fixed to the output shaft of said wiper motor;
- a wiper frame having a tubular shaped frame body, a body-fixation part to be fixed to the vehicle body at an end of said frame body and a pivot shaft holder;
- a frame cover fixed to said wiper frame;
- a pivot shaft rotatably supported by the pivot shaft holder of said wiper frame;
- a pivot arm secured to said pivot shaft;
- and
- a link connecting rod connected with said motor arm and said pivot arm, respectively;
- wherein
- said frame body of the wiper frame is provided with a case-fixing portion formed with a first and a second hole passing through said frame body;
- said gear case of the wiper motor is provided with a frame-holder portion formed with a third hole and having a semi-circular cross section to be fitted with said case-fixing portion of the wiper frame for supporting said wiper frame at the case-fixing portion;
- said frame cover is fixed on said case-fixing portion of the wiper frame;
- and
- said wiper frame is secured to said gear case of the wiper motor together with said frame cover by tightening a screw passed through the first and second holes formed in said case-fixing portion of the wiper frame into the third hole formed in said frame-holder portion of the gear case to cover the whole circumference of said case-fixing portion with said frame cover and said frame-holder portion of the gear case in a state where both ends of said frame cover are slightly separated from the frame-holder portion of said gear case.
11 more elements
A wiper unit for wiping a windshield of a vehicle, comprising:
- a wiper motor provided with an armature rotating in a motor yoke, a gear case secured to said motor yoke, and an output shaft connected with said armature through a reduction gear;
- a motor arm fixed to the output shaft of said wiper motor;
- a wiper frame having a tubular shaped frame body, a body-fixation part to be fixed to the vehicle body at an end of said frame body and a pivot shaft holder:
- a frame cover fixed to said wiper frame;
- a pivot shaft rotatably supported by the pivot shaft holder of said wiper frame;
- a pivot arm secured to said pivot shaft;
- and
- a link connecting rod connected with said motor arm and said pivot arm, respectively;
- wherein
- said frame body of the wiper frame is provided with a case-fixing portion formed with a screw hole passing through said frame body;
- said gear case of the wiper motor is provided with a frame-holder portion formed with a threaded hole and having a semi-circular cross section to be fitted with said case-fixing portion of the wiper frame for supporting said wiper frame at the case-fixing portion;
- said frame cover is fixed on said case-fixing portion of the wiper frame;
- and
- said wiper frame is secured to said gear case of the wiper motor together with said frame cover by tightening a screw passed through the screw hole formed in said case-fixing portion of the wiper frame into the threaded hole formed in said frame-holder portion of the gear case to cover the whole circumference of said case-fixing portion with said frame cover and said frame-holder portion of the gear case in a state where both ends of said frame cover are slightly separated from the frame-holder portion of said gear case.
11 more elements
Dependencies are inferred from the claim text.