Padlock with key indicator
OwnerHenry P. Navainventor
Life of this patent
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Abstract
A padlock having a body, a U-shaped keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pieces to be engaged by key teeth comprising an indicator device on the body; the device having a location on the body relative to the pieces to indicate the left or right directional orientation of key teeth insertion into the receptor, to effect opening of the padlock keeper; and the indicator device extending in the direction of key insertion.
Claims8
In combination with a padlock having a body, a U-shaped keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pins to be engaged by key teeth, the combination comprising:
- a) an indicator device on the body,
- b) said device having a location on the body relative to the pins to indicate the left or right directional orientation of key teeth insertion into said receptor, to effect opening of the padlock keeper,
- c) said indicator device extending in the direction of key insertion,
- d) said device presenting a shoulder extending in said direction,
- e) said shoulder being at the side of the key away from the key teeth.
In combination with a padlock having a body, a U-shaped keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pins to be engaged by key teeth, the combination comprising:
- a) an indicator device on the body,
- b) said device having a location on the body relative to the pins to indicate the left or right directional orientation of key teeth insertion into said receptor, to effect opening of the padlock keeper,
- c) said indicator device extending in the direction of key insertion,
- d) and including a graphic representation of a key on one side of the body, the representation having teeth presented away from said indicator device.
In combination with a padlock having a body, a U-shaped keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pins to be engaged by key teeth, the combination comprising:
- a) an indicator device on the body,
- b) said device having a location on the body relative to the pins to indicate the left or right directional orientation of key teeth insertion into said receptor, to effect opening of the padlock keeper,
- c) said indicator device extending in the direction of key insertion,
- d) said device defining a ridge presenting a shoulder extending in said direction on one side of the body,
- e) said device presenting a second shoulder on the opposite side of the body and extending in said direction.
In combination with a lock having a body, a keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pins to be engaged by key teeth, the combination comprising:
- a) an indicator device on the body,
- b) said device having a location on the body relative to the pins to indicate the left or right directional orientation of key teeth insertion into said receptor, to effect opening of the keeper,
- c) said indicator device extending in the direction of key insertion,
- d) said indicator device comprising a row of shoulders proximate an edge of the body away from the key teeth.
Dependencies are inferred from the claim text.