Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
225 words
A windshield wiper arm assembly for mounting on a pivot shaft assembly including a drive burr, said arm assembly including a mounting head, a mounting head retainer including sidewalls, and having a portion straddling a portion of said mounting head, said mounting head and mounting head retainer being hingedly connected together about a transverse pivot pin, means for securing a wiper blade to said arm assembly at its end remote from said mounting head, means for securing said mounting head to said pivot shaft assembly, biasing means acting between said retainer and said mounting head about said transverse pivot pin for transmitting wiping pressure to a wiper blade through said wiper arm, a latch lever located at said mounting head movable from an installation and removal position extending from said mounting head and having a portion bearing on an edge of a sidewall of said mounting head retainer to thereby overcome the biasing means while clearing said recess to a latching position having a portion overlying the bottom end of said drive burr to thereby retain said drive burr in said recess while clearing the retainer for movement to an operative position, said latch lever including abutment means engageable with a lateral surface of the sidewall of said mounting head retainer when in installation and removal position whereby inadvertent release of said retainer is prevented.
Claim 2
Dependent Claim
225 words
A windshield wiper arm assembly for mounting on a pivot shaft assembly including a drive burr, said arm assembly including a mounting head, a mounting head retainer including sidewalls, and having a portion straddling a portion of said mounting head, said mounting head and mounting head retainer being hingedly connected together about a transverse pivot pin, means for securing a wiper blade to said arm assembly at its end remote from said mounting head, means for securing said mounting head to said pivot shaft assembly, biasing means acting between said retainer and said mounting head about said transverse pivot pin for transmitting wiping pressure to a wiper blade through said wiper arm, a latch lever located at said mounting head movable from an installation and removal position extending from said mounting head and having a portion bearing on an edge of a sidewall of said mounting head retainer to thereby overcome the biasing means while clearing said recess to a latching position having a portion overlying the bottom end of said drive burr to thereby retain said drive burr in said recess while clearing the retainer for movement to an operative position, said latch lever including abutment means engageable with a lateral surface of the sidewall of said mounting head retainer when in installation and removal position whereby inadvertent release of said retainer is prevented.
Claim 3
Dependent Claim
20 words
A combination according to claim 1 wherein said latch lever is mounted for pivotal movement relative to said mounting head.
Claim 4
Dependent Claim
21 words
A combination according to claim 1 wherein said latch lever is slidably mounted for transverse movement relative to said mounting head.
Claim 5
Dependent Claim
32 words
A combination according to claim 1 wherein said latch lever includes a portion engageable with a longitudinal edge of said sidewall of said mounting head retainer when in installation and removal position.
Claim 6
Dependent Claim
34 words
A combination according to claim 3 wherein said latch lever includes a portion bearing against an edge of sidewall of said mounting head retainer on an end thereof when in installation and removal position.
Claim 7
Dependent Claim
32 words
A combination according to claim 5 wherein said portion comprises a tab having a lateral surface bearing against said edge of said sidewall of said mounting head retainer at an end thereof.